<?xml version="1.0"?><rss version="2.0" xmlns:media="http://search.yahoo.com/mrss/"><channel><title>NOVA scienceNOW | WLIW21 Video</title><description>NOVA scienceNOW RSS feed for WLIW21 programming.</description><link>http://watch.wliw.org/</link><language>en-us</language><generator>http://watch.wliw.org/</generator><lastBuildDate>Thu, 9 Sep 2010 04:38:56 -0400</lastBuildDate><pubDate>Thu, 9 Sep 2010 04:38:56 -0400</pubDate><item><title>NOVA scienceNOW | Sleep, First Primates, Earthquakes in the Midwest, Sang-Mook Lee</title><link>http://watch.wliw.org/video/1233237984/</link><description>Season 4: Episode 8</description><guid>http://watch.wliw.org/video/1233237984/</guid><pubDate>Wed, 2 Sep 2009 06:25:32 -0700</pubDate><category domain="PBS/taxonomy/topic">Health &amp; Wellness</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness/Profiles</category><category domain="PBS/taxonomy/topic">News &amp; Public Affairs</category><category domain="PBS/taxonomy/topic">News &amp; Public Affairs/Health</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Biology</category><category domain="PBS/taxonomy/topic">Science/Earth Sciences</category><category domain="PBS/taxonomy/topic">Science/Medical</category><category domain="PBS/taxonomy/topic">Science/Profiles</category><category domain="PBS/taxonomy/topic">Science/Psychology</category><category domain="PBS/taxonomy/topic">Technology</category><media:description>Season 4: Episode 8</media:description><media:content medium="video" duration="3164113" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/153/110/nosn-000408-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:player url="http://watch.wliw.org/video/1233237984/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness/Profiles</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">News &amp; Public Affairs</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">News &amp; Public Affairs/Health</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Earth Sciences</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Medical</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Profiles</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Psychology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category></item><item><title>NOVA scienceNOW | Ask the Expert: What Got You Interested in Science?</title><link>http://watch.wliw.org/video/1339044256/</link><description>NOVA scienceNOW astrophysicist Neil deGrasse Tyson holds office to answer viewer questions.  In this video, Neil explains what got him interested in science as a kid.</description><guid>http://watch.wliw.org/video/1339044256/</guid><pubDate>Sun, 22 Nov 2009 08:14:39 -0800</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><category domain="PBS/taxonomy/topic">Science/Profiles</category><media:description>Neil deGrasse Tyson explains what got him interested in science as a kid.</media:description><media:content medium="video" duration="174266" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/254/13/AskExpertScienceInspirationTHUMB.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:keywords>NOVA, scienceNOW, Dr.  Neil  deGrasse  Tyson, ask  the  expert</media:keywords><media:player url="http://watch.wliw.org/video/1339044256/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Profiles</media:category></item><item><title>NOVA scienceNOW | Saving Hubble Update, Gangster Birds, How Memory Works</title><link>http://watch.wliw.org/video/1225996652/</link><description>Season 4: Episode 7</description><guid>http://watch.wliw.org/video/1225996652/</guid><pubDate>Wed, 26 Aug 2009 06:17:19 -0700</pubDate><category domain="PBS/taxonomy/topic">Health &amp; Wellness</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness/Mental Health</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Animal Behavior</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Animals</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><category domain="PBS/taxonomy/topic">Science/Biology</category><category domain="PBS/taxonomy/topic">Science/Medical</category><category domain="PBS/taxonomy/topic">Science/Profiles</category><category domain="PBS/taxonomy/topic">Technology</category><category domain="PBS/taxonomy/topic">Technology/Space</category><media:description>Season 4: Episode 7</media:description><media:content medium="video" duration="3167689" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/146/207/nosn-000407-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1225996652/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness/Mental Health</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Animal Behavior</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Animals</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Medical</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Profiles</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Space</media:category></item><item><title>NOVA scienceNOW | Ask the Expert: Can We See the Beginning of the Universe?</title><link>http://watch.wliw.org/video/1339044300/</link><description>NOVA scienceNOW astrophysicist Neil deGrasse Tyson holds office hours to answer viewer questions.  In this video, Neil explains how new telescopes will help us see the origins of the universe.</description><guid>http://watch.wliw.org/video/1339044300/</guid><pubDate>Sun, 22 Nov 2009 08:15:44 -0800</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><category domain="PBS/taxonomy/topic">Science/Profiles</category><media:description>Neil deGrasse Tyson explains how to see the origins of the universe.</media:description><media:content medium="video" duration="82533" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/254/13/AskNeilOriginsUnivTHUMB.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:keywords>NOVA, scienceNOW, Dr. Neil deGrasse Tyson, ask, the, expert</media:keywords><media:player url="http://watch.wliw.org/video/1339044300/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Profiles</media:category></item><item><title>NOVA scienceNOW | Public Genomes, Algae Fuel, Mystery of the Gakkel Ridge, Yoky Matsuoka</title><link>http://watch.wliw.org/video/1216982026/</link><description>Season 4: Episode 6</description><guid>http://watch.wliw.org/video/1216982026/</guid><pubDate>Wed, 19 Aug 2009 09:02:59 -0700</pubDate><category domain="PBS/taxonomy/topic">Health &amp; Wellness</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness/Health Science</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness/Policy &amp; Regulation</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Conservation</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Oceans &amp; Aquatic Life</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Plant Life</category><category domain="PBS/taxonomy/topic">Technology</category><category domain="PBS/taxonomy/topic">Technology/Energy</category><category domain="PBS/taxonomy/topic">Technology/Medical</category><category domain="PBS/taxonomy/topic">Technology/Robotics</category><media:description>Season 4: Episode 6</media:description><media:content medium="video" duration="3168850" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/137/620/nosn-000406-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-pg</media:rating><media:keywords>biofuel, dna, Yoky Matsuoka, green energy, Personal Genome Project, algae, Gakkel Ridge, Arctic Ocean, marine biology, neurobionics</media:keywords><media:player url="http://watch.wliw.org/video/1216982026/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness/Health Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness/Policy &amp; Regulation</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Conservation</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Oceans &amp; Aquatic Life</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Plant Life</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Energy</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Medical</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Robotics</media:category></item><item><title>NOVA scienceNOW | Ask the Expert: Are There Eleven Dimensions?</title><link>http://watch.wliw.org/video/1339037390/</link><description>NOVA scienceNOW astrophysicist Neil deGrasse Tyson holds office to answer viewer questions.  In this video, Neil explains the dimensions of the universe.</description><guid>http://watch.wliw.org/video/1339037390/</guid><pubDate>Sun, 22 Nov 2009 08:14:49 -0800</pubDate><media:description>Neil deGrasse Tyson helps a viewer understand all dimensions of the universe.</media:description><media:content medium="video" duration="148066" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/254/6/AskNeilDimensionsTHUMB.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:keywords>NOVA, scienceNOW, Dr. Neil deGrasse Tyson, ask, the, expert</media:keywords><media:player url="http://watch.wliw.org/video/1339037390/" /></item><item><title>NOVA scienceNOW | Moon Smasher, Secrets in the Salt, Bird Brains, Lonnie Thompson</title><link>http://watch.wliw.org/video/1197885396/</link><description>Season 4: Episode 5</description><guid>http://watch.wliw.org/video/1197885396/</guid><pubDate>Tue, 28 Jul 2009 12:18:08 -0700</pubDate><category domain="PBS/taxonomy/topic">Nature &amp; Environment</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Animal Behavior</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Animals</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Biodiversity</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Earth</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><category domain="PBS/taxonomy/topic">Science/Earth Sciences</category><category domain="PBS/taxonomy/topic">Science/Profiles</category><category domain="PBS/taxonomy/topic">Technology</category><category domain="PBS/taxonomy/topic">Technology/Space</category><media:description>Season 4: Episode 5</media:description><media:content medium="video" duration="3148066" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/119/402/nosn-000405-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1197885396/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Animal Behavior</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Animals</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Biodiversity</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Earth</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Earth Sciences</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Profiles</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Space</media:category></item><item><title>NOVA scienceNOW | The Science of Picky Eaters, Smart Marine Mammals, Sangeeta Bhatia, Capturing Carbon</title><link>http://watch.wliw.org/video/1191147025/</link><description>Season 4: Episode 4</description><guid>http://watch.wliw.org/video/1191147025/</guid><pubDate>Wed, 22 Jul 2009 07:30:16 -0700</pubDate><category domain="PBS/taxonomy/topic">Nature &amp; Environment</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Animal Behavior</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Animals</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Oceans &amp; Aquatic Life</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Plant Life</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Biology</category><category domain="PBS/taxonomy/topic">Science/Earth Sciences</category><category domain="PBS/taxonomy/topic">Science/Profiles</category><category domain="PBS/taxonomy/topic">Technology</category><category domain="PBS/taxonomy/topic">Technology/Energy</category><category domain="PBS/taxonomy/topic">Technology/Engineering</category><media:description>Season 4: Episode 4</media:description><media:content medium="video" duration="3143733" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/112/990/nosn-000404-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-pg</media:rating><media:player url="http://watch.wliw.org/video/1191147025/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Animal Behavior</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Animals</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Oceans &amp; Aquatic Life</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Plant Life</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Earth Sciences</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Profiles</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Energy</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Engineering</media:category></item><item><title>NOVA scienceNOW | Marathon Mouse, Dinosaur Plague, Franklin Chang-Diaz, Space Storms</title><link>http://watch.wliw.org/video/1177846411/</link><description>Season 4: Episode 3</description><guid>http://watch.wliw.org/video/1177846411/</guid><pubDate>Wed, 15 Jul 2009 06:29:21 -0700</pubDate><category domain="PBS/taxonomy/topic">Health &amp; Wellness</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness/Pharmacology</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness/Sports &amp; Fitness</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Animals</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Biodiversity</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Insects</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Weather &amp; Natural Disasters</category><category domain="PBS/taxonomy/topic">Region</category><category domain="PBS/taxonomy/topic">Region/United States</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><category domain="PBS/taxonomy/topic">Science/Biology</category><category domain="PBS/taxonomy/topic">Science/Profiles</category><category domain="PBS/taxonomy/topic">Technology</category><category domain="PBS/taxonomy/topic">Technology/Engineering</category><category domain="PBS/taxonomy/topic">Technology/Space</category><media:description>Season 4: Episode 3</media:description><media:content medium="video" duration="3152642" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/100/289/nosn-000403-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-pg</media:rating><media:keywords>dinosaurs, NASA, marathon mouse, AICAR, Franklin Chang-Diaz, rocketry, space travel, amber, Northern Lights, space weather</media:keywords><media:player url="http://watch.wliw.org/video/1177846411/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness/Pharmacology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness/Sports &amp; Fitness</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Animals</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Biodiversity</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Insects</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Weather &amp; Natural Disasters</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Region</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Region/United States</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Profiles</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Engineering</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Space</media:category></item><item><title>NOVA scienceNOW | Hunt for Alien Earths, Art Authentication, Maydianne Andrade, Autism Genes</title><link>http://watch.wliw.org/video/1174241079/</link><description>Season 4: Episode 2</description><guid>http://watch.wliw.org/video/1174241079/</guid><pubDate>Tue, 7 Jul 2009 10:00:06 -0700</pubDate><category domain="PBS/taxonomy/topic">Nature &amp; Environment</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Insects</category><category domain="PBS/taxonomy/topic">Region</category><category domain="PBS/taxonomy/topic">Region/United States</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><category domain="PBS/taxonomy/topic">Science/Biology</category><category domain="PBS/taxonomy/topic">Science/Medical</category><category domain="PBS/taxonomy/topic">Science/Profiles</category><category domain="PBS/taxonomy/topic">Technology</category><category domain="PBS/taxonomy/topic">Technology/Computing</category><category domain="PBS/taxonomy/topic">Technology/Space</category><media:description>Season 4: Episode 2</media:description><media:content medium="video" duration="3139036" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/96/864/nosn-000402-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-pg</media:rating><media:keywords>astronomy, science, computers, Technology, insects, mental health, Painting/Drawing</media:keywords><media:player url="http://watch.wliw.org/video/1174241079/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Insects</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Region</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Region/United States</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Medical</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Profiles</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Computing</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Space</media:category></item><item><title>NOVA scienceNOW | Diamond Factory, Anthrax Investigation, Auto-Tune, Luis von Ahn</title><link>http://watch.wliw.org/video/1168232965/</link><description>Season 4: Episode 1</description><guid>http://watch.wliw.org/video/1168232965/</guid><pubDate>Wed, 1 Jul 2009 08:17:14 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Profiles</category><category domain="PBS/taxonomy/topic">Technology</category><media:description>Season 4: Episode 1</media:description><media:content medium="video" duration="3122549" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/91/117/nosn-000401-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-pg</media:rating><media:keywords>anthrax, Auto-Tune, pitch-correction software, artificial diamond, electronics, bioterrorism, Luis von Ahn, computer science, Captcha</media:keywords><media:player url="http://watch.wliw.org/video/1168232965/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Profiles</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category></item><item><title>NOVA scienceNOW | Video Short: A Memorable Snail</title><link>http://watch.wliw.org/video/1486991645/</link><description>What can a spineless sea snail teach us about our brains and how memory works?</description><guid>http://watch.wliw.org/video/1486991645/</guid><pubDate>Thu, 6 May 2010 11:57:27 -0700</pubDate><category domain="PBS/taxonomy/topic">Nature &amp; Environment</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Biology</category><media:description>What can a spineless sea snail teach us about our brains and how memory works?</media:description><media:content medium="video" duration="228466" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/109/nova-000000-thumb-memorableSnail.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:player url="http://watch.wliw.org/video/1486991645/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category></item><item><title>NOVA scienceNOW | Video Short: Memory In Action</title><link>http://watch.wliw.org/video/1487046071/</link><description>Itzhak Fried taps into a patient&#39;s brain and witnesses how memories are recalled.</description><guid>http://watch.wliw.org/video/1487046071/</guid><pubDate>Thu, 6 May 2010 12:55:44 -0700</pubDate><category domain="PBS/taxonomy/topic">Health &amp; Wellness</category><category domain="PBS/taxonomy/topic">Science</category><media:description>Itzhak Fried taps into a patient&#39;s brain and witnesses how memories are recalled.</media:description><media:content medium="video" duration="187400" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/162/nova-000000-thumb-memoryAction.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:player url="http://watch.wliw.org/video/1487046071/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category></item><item><title>NOVA scienceNOW | Video Short: Aiding Aging Muscles</title><link>http://watch.wliw.org/video/1486988011/</link><description>See how &quot;exercise in a pill&quot; could one day help the elderly and the bedridden.</description><guid>http://watch.wliw.org/video/1486988011/</guid><pubDate>Thu, 6 May 2010 11:49:15 -0700</pubDate><category domain="PBS/taxonomy/topic">Health &amp; Wellness</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness/Aging</category><category domain="PBS/taxonomy/topic">Science</category><media:description>See how &quot;exercise in a pill&quot; could one day help the elderly and the bedridden.</media:description><media:content medium="video" duration="214600" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/105/nova-000000-thumb-aidAgingMuscles.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:player url="http://watch.wliw.org/video/1486988011/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness/Aging</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category></item><item><title>NOVA scienceNOW | Video Short: Going Lunar for Less</title><link>http://watch.wliw.org/video/1487035092/</link><description>With ingenuity and spare parts, LCROSS is exploring a big question on a small budget.</description><guid>http://watch.wliw.org/video/1487035092/</guid><pubDate>Thu, 6 May 2010 12:43:03 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><media:description>With ingenuity and spare parts, LCROSS is exploring a big question on a small budget.</media:description><media:content medium="video" duration="175533" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/151/nova-000000-thumb-LunarLess.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:player url="http://watch.wliw.org/video/1487035092/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category></item><item><title>NOVA scienceNOW | Video Short: Martian Salt</title><link>http://watch.wliw.org/video/1487039597/</link><description>Cellulose survived 250 million years on Earth. Could it survive in salt deposits on Mars?</description><guid>http://watch.wliw.org/video/1487039597/</guid><pubDate>Thu, 6 May 2010 12:47:46 -0700</pubDate><category domain="PBS/taxonomy/topic">Nature &amp; Environment</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><media:description>Cellulose survived 250 million years on Earth. Could it survive in salt deposits on Mars?</media:description><media:content medium="video" duration="170933" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/156/nova-000000-thumb-MartianSalt.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:player url="http://watch.wliw.org/video/1487039597/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category></item><item><title>NOVA scienceNOW | Video Short: Was it Weaponized?</title><link>http://watch.wliw.org/video/1487071330/</link><description>Scientists determine whether the 2001 anthrax was been specially engineered to disperse.</description><guid>http://watch.wliw.org/video/1487071330/</guid><pubDate>Thu, 6 May 2010 13:23:24 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Biology</category><category domain="PBS/taxonomy/topic">Science/Chemistry</category><media:description>Scientists determine whether the 2001 anthrax was been specially engineered to disperse.</media:description><media:content medium="video" duration="127933" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/187/nova-000000-thumb-wasitweaponized.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:player url="http://watch.wliw.org/video/1487071330/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Chemistry</media:category></item><item><title>NOVA scienceNOW | Video Short: Blocking Bitter Taste</title><link>http://watch.wliw.org/video/1486994841/</link><description>Neil deGrasse Tyson meets a genetically modified mouse that can&#39;t sense bitter tastes.</description><guid>http://watch.wliw.org/video/1486994841/</guid><pubDate>Thu, 6 May 2010 12:03:02 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><media:description>Neil deGrasse Tyson meets a genetically modified mouse that can&#39;t sense bitter tastes.</media:description><media:content medium="video" duration="172400" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/112/nova-000000-thumb-blockBitter.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:player url="http://watch.wliw.org/video/1486994841/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category></item><item><title>NOVA scienceNOW | Phoenix Mars Lander, Brain Trauma, Mammoth Mystery, Judah Folkman</title><link>http://watch.wliw.org/video/1235617592/</link><description>Season 3: Episode 6</description><guid>http://watch.wliw.org/video/1235617592/</guid><pubDate>Wed, 2 Sep 2009 06:54:43 -0700</pubDate><category domain="PBS/taxonomy/topic">Health &amp; Wellness</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness/Biology</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness/Public Health</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><category domain="PBS/taxonomy/topic">Science/Profiles</category><category domain="PBS/taxonomy/topic">Technology</category><category domain="PBS/taxonomy/topic">Technology/Space</category><media:description>Season 3: Episode 6</media:description><media:content medium="video" duration="3147046" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/155/386/nosn-000306_thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:keywords>paleontology, life, Cancer, mammoth, water, Mars, Phoenix, brain trauma, brain injury, skeleton, Judah Folkman, angiogenesis</media:keywords><media:player url="http://watch.wliw.org/video/1235617592/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness/Biology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness/Public Health</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Profiles</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Space</media:category></item><item><title>NOVA scienceNOW | Leeches, The Search for ET, Stem Cells Breakthrough, Edith Widder</title><link>http://watch.wliw.org/video/995676009/</link><description>Season 3: Episode 5</description><guid>http://watch.wliw.org/video/995676009/</guid><pubDate>Sat, 14 Mar 2009 06:03:24 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><category domain="PBS/taxonomy/topic">Science/Biology</category><category domain="PBS/taxonomy/topic">Science/Medical</category><category domain="PBS/taxonomy/topic">Science/Physics</category><category domain="PBS/taxonomy/topic">Science/Profiles</category><media:description>Season 3: Episode 5</media:description><media:content medium="video" duration="3118272" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/950/564/nosn_NEW_000305-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:keywords>genetics, Disease, ethics</media:keywords><media:player url="http://watch.wliw.org/video/995676009/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Medical</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Physics</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Profiles</media:category></item><item><title>NOVA scienceNOW | Bird Brains, Space Storms, Yoky Matsuoka, Smart Bridges</title><link>http://watch.wliw.org/video/1120052998/</link><description>Season 3: Episode 4</description><guid>http://watch.wliw.org/video/1120052998/</guid><pubDate>Mon, 8 Jun 2009 09:15:52 -0700</pubDate><category domain="PBS/taxonomy/topic">Nature &amp; Environment</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Animal Behavior</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Animals</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Biodiversity</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Environment</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Weather &amp; Natural Disasters</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><category domain="PBS/taxonomy/topic">Science/Biology</category><category domain="PBS/taxonomy/topic">Science/Medical</category><category domain="PBS/taxonomy/topic">Science/Profiles</category><category domain="PBS/taxonomy/topic">Technology</category><category domain="PBS/taxonomy/topic">Technology/Electronics</category><category domain="PBS/taxonomy/topic">Technology/Engineering</category><category domain="PBS/taxonomy/topic">Technology/Space</category><media:description>Season 3: Episode 4</media:description><media:content medium="video" duration="3113238" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/45/170/nosn_NEW_000304-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:keywords>science, language, Bird Brains, Space Storms, Yoky Matsuoka, Smart Bridges, space exploration, Technology, animals</media:keywords><media:player url="http://watch.wliw.org/video/1120052998/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Animal Behavior</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Animals</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Biodiversity</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Weather &amp; Natural Disasters</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Medical</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Profiles</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Electronics</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Engineering</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Space</media:category></item><item><title>NOVA scienceNOW | Saving Hubble, First Primates, Alfredo Quinones Hinojosa, Killer Microbe</title><link>http://watch.wliw.org/video/995674817/</link><description>Season 3: Episode 3</description><guid>http://watch.wliw.org/video/995674817/</guid><pubDate>Tue, 21 Apr 2009 20:39:23 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Biology</category><category domain="PBS/taxonomy/topic">Science/Physics</category><category domain="PBS/taxonomy/topic">Science/Profiles</category><media:description>Season 3: Episode 3</media:description><media:content medium="video" duration="3105834" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/950/563/nosn_NEW_000303-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:keywords>Mexico, paleontology, NASA, evolution, war, Disease, Illegal Aliens, Iraq, Cancer</media:keywords><media:player url="http://watch.wliw.org/video/995674817/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Physics</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Profiles</media:category></item><item><title>NOVA scienceNOW | First Primates</title><link>http://watch.wliw.org/video/1300415093/</link><description>Our most distant primate ancestors were tree-dwellers the size of mice.</description><guid>http://watch.wliw.org/video/1300415093/</guid><pubDate>Mon, 19 Oct 2009 13:47:43 -0700</pubDate><media:description>Our most distant primate ancestors were tree-dwellers the size of mice.</media:description><media:content medium="video" duration="816800" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/217/177/nova-00firstprimates-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:player url="http://watch.wliw.org/video/1300415093/" /></item><item><title>NOVA scienceNOW | Killer Microbe</title><link>http://watch.wliw.org/video/1348493123/</link><description>A benign bug becomes a highly lethal pathogen, known to U.S. soldiers as Iraqibacter.</description><guid>http://watch.wliw.org/video/1348493123/</guid><pubDate>Wed, 2 Dec 2009 11:52:12 -0800</pubDate><category domain="PBS/taxonomy/topic">Health &amp; Wellness</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness/Biology</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness/Health Science</category><category domain="PBS/taxonomy/topic">News &amp; Public Affairs</category><category domain="PBS/taxonomy/topic">News &amp; Public Affairs/Military</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Biology</category><media:description>A benign bug becomes a highly lethal pathogen, known to U.S. soldiers as Iraqibacter.</media:description><media:content medium="video" duration="510333" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/263/24/nova-microbe-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-pg</media:rating><media:player url="http://watch.wliw.org/video/1348493123/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness/Biology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness/Health Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">News &amp; Public Affairs</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">News &amp; Public Affairs/Military</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category></item><item><title>NOVA scienceNOW | Personal DNA Testing, Art Authentication, Carpturing Carbon, Pardis Sabeti</title><link>http://watch.wliw.org/video/1235586258/</link><description>Season 3: Episode 2</description><guid>http://watch.wliw.org/video/1235586258/</guid><pubDate>Tue, 15 Sep 2009 06:34:04 -0700</pubDate><category domain="PBS/taxonomy/topic">Arts &amp; Literature</category><category domain="PBS/taxonomy/topic">Arts &amp; Literature/Drawing &amp; Painting</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness/Biology</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness/Policy &amp; Regulation</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Conservation</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Environment</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Biology</category><category domain="PBS/taxonomy/topic">Science/Profiles</category><category domain="PBS/taxonomy/topic">Technology</category><media:description>Season 3: Episode 2</media:description><media:content medium="video" duration="3115537" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/155/356/nosn-000302-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-pg</media:rating><media:keywords>carbon dioxide, dna, Global Warming, genetic testing, Van Gogh, art forgeries, computer algorithms, sequestration, Pardis Sabeti</media:keywords><media:player url="http://watch.wliw.org/video/1235586258/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Arts &amp; Literature</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Arts &amp; Literature/Drawing &amp; Painting</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness/Biology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness/Policy &amp; Regulation</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Conservation</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Profiles</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category></item><item><title>NOVA scienceNOW | Video Short: Life of an Astronaut</title><link>http://watch.wliw.org/video/1487030662/</link><description>Spacewalker Mike Massimino talks about the challenges of training to work in space.</description><guid>http://watch.wliw.org/video/1487030662/</guid><pubDate>Thu, 6 May 2010 12:37:58 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><media:description>Spacewalker Mike Massimino talks about the challenges of training to work in space.</media:description><media:content medium="video" duration="249533" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/147/nova-000000-thumb-lifeAstronaught.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:player url="http://watch.wliw.org/video/1487030662/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category></item><item><title>NOVA scienceNOW | Dark Matter, Of Mice and Memory, Hany Farid, Wisdom of the Crowds</title><link>http://watch.wliw.org/video/995674549/</link><description>Season 3: Episode 1</description><guid>http://watch.wliw.org/video/995674549/</guid><pubDate>Sat, 14 Mar 2009 06:17:58 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><category domain="PBS/taxonomy/topic">Science/Biology</category><category domain="PBS/taxonomy/topic">Science/Medical</category><category domain="PBS/taxonomy/topic">Science/Profiles</category><media:description>Season 3: Episode 1</media:description><media:content medium="video" duration="3109800" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/950/563/nosn_NEW_000301-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/995674549/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Medical</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Profiles</media:category></item><item><title>NOVA scienceNOW | Video Short: Personal Genome Project</title><link>http://watch.wliw.org/video/1487054560/</link><description>George Church hopes to recruit 100,000 people and sequence all of their DNA</description><guid>http://watch.wliw.org/video/1487054560/</guid><pubDate>Thu, 6 May 2010 13:01:29 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Biology</category><media:description>George Church hopes to recruit 100,000 people and sequence all of their DNA.</media:description><media:content medium="video" duration="169533" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/170/nova-000000-thumb-personalGenome.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:player url="http://watch.wliw.org/video/1487054560/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category></item><item><title>NOVA scienceNOW | Video Short: The Dark Matter Mystery</title><link>http://watch.wliw.org/video/1487004685/</link><description>See how a cosmic collision provides evidence that dark matter really exists.</description><guid>http://watch.wliw.org/video/1487004685/</guid><pubDate>Thu, 6 May 2010 12:13:50 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><media:description>See how a cosmic collision provides evidence that dark matter really exists.</media:description><media:content medium="video" duration="256322" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/122/nova-000000-thumb-DarkMatteryMystery.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:player url="http://watch.wliw.org/video/1487004685/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category></item><item><title>NOVA scienceNOW | Sleep</title><link>http://watch.wliw.org/video/1506775918/</link><description>Why do we need sleep? Part of the answer may be to strengthen memories.</description><guid>http://watch.wliw.org/video/1506775918/</guid><pubDate>Fri, 28 May 2010 10:28:15 -0700</pubDate><category domain="PBS/taxonomy/topic">Health &amp; Wellness</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Biology</category><media:description>Why do we need sleep? Part of the answer may be to strengthen memories.</media:description><media:content medium="video" duration="796096" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/413/997/nosn-002041-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1506775918/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category></item><item><title>NOVA scienceNOW | Video Short: Sleepless Surgeons</title><link>http://watch.wliw.org/video/1487056841/</link><description>How important is sleep to a surgeon&#39;s performance?</description><guid>http://watch.wliw.org/video/1487056841/</guid><pubDate>Thu, 6 May 2010 13:09:00 -0700</pubDate><category domain="PBS/taxonomy/topic">Health &amp; Wellness</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness/Health Science</category><category domain="PBS/taxonomy/topic">Science</category><media:description>How important is sleep to a surgeon&#39;s performance?</media:description><media:content medium="video" duration="160000" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/172/nova-000000-thumb-SleeplesSurgeons.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:player url="http://watch.wliw.org/video/1487056841/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness/Health Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category></item><item><title>NOVA scienceNOW | CERN</title><link>http://watch.wliw.org/video/1506775943/</link><description>Beneath the Alps, the mother of all particle accelerators nears completion.</description><guid>http://watch.wliw.org/video/1506775943/</guid><pubDate>Fri, 28 May 2010 10:30:03 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Physics</category><category domain="PBS/taxonomy/topic">Technology</category><category domain="PBS/taxonomy/topic">Technology/Engineering</category><category domain="PBS/taxonomy/topic">Technology/Space</category><media:description>Beneath the Alps, the mother of all particle accelerators nears completion.</media:description><media:content medium="video" duration="779888" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/413/997/nosn-002042-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1506775943/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Physics</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Engineering</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Space</media:category></item><item><title>NOVA scienceNOW | Profile:  Julie Schablitsky</title><link>http://watch.wliw.org/video/1506783968/</link><description>Meet an archeologist who is helping to rewrite the history of the Old West.</description><guid>http://watch.wliw.org/video/1506783968/</guid><pubDate>Fri, 28 May 2010 10:31:51 -0700</pubDate><category domain="PBS/taxonomy/topic">History</category><category domain="PBS/taxonomy/topic">Region</category><category domain="PBS/taxonomy/topic">Region/North America</category><category domain="PBS/taxonomy/topic">Region/United States</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Archaeology &amp; Anthropology</category><media:description>Meet an archeologist who is helping to rewrite the history of the Old West.</media:description><media:content medium="video" duration="589879" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/413/1005/nosn-002044-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1506783968/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">History</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Region</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Region/North America</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Region/United States</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Archaeology &amp; Anthropology</media:category></item><item><title>NOVA scienceNOW | Emergence</title><link>http://watch.wliw.org/video/1511364559/</link><description>How does the &quot;intelligence&quot; of a group arise out of the simple actions of its members?</description><guid>http://watch.wliw.org/video/1511364559/</guid><pubDate>Wed, 2 Jun 2010 13:51:58 -0700</pubDate><category domain="PBS/taxonomy/topic">Health &amp; Wellness</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment</category><category domain="PBS/taxonomy/topic">Science</category><media:description>How does the &quot;intelligence&quot; of a group arise out of the simple actions of its members?</media:description><media:content medium="video" duration="734122" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/418/358/nosn-002043-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1511364559/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category></item><item><title>NOVA scienceNOW | Profile: Arlie Petters</title><link>http://watch.wliw.org/video/1525107492/</link><description>A boy from rural Belize becomes a world-class mathematician and cosmologist.</description><guid>http://watch.wliw.org/video/1525107492/</guid><pubDate>Fri, 18 Jun 2010 11:18:29 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Profiles</category><media:description>A boy from rural Belize becomes a world-class mathematician and cosmologist.</media:description><media:content medium="video" duration="533826" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/431/467/nova-002054-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1525107492/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Profiles</media:category></item><item><title>NOVA scienceNOW | Epigenetics</title><link>http://watch.wliw.org/video/1525107473/</link><description>Our lifestyles and environment can change the way our genes are expressed.</description><guid>http://watch.wliw.org/video/1525107473/</guid><pubDate>Fri, 18 Jun 2010 11:20:05 -0700</pubDate><category domain="PBS/taxonomy/topic">Health &amp; Wellness</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness/Biology</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Biology</category><media:description>Our lifestyles and environment can change the way our genes are expressed.</media:description><media:content medium="video" duration="805128" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/431/467/nova-002052-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1525107473/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness/Biology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category></item><item><title>NOVA scienceNOW | T. Rex Blood?</title><link>http://watch.wliw.org/video/1525103040/</link><description>Preserved soft tissue, including possible blood vessels, turn up in dinosaur fossils.</description><guid>http://watch.wliw.org/video/1525103040/</guid><pubDate>Fri, 18 Jun 2010 11:21:53 -0700</pubDate><category domain="PBS/taxonomy/topic">Nature &amp; Environment</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Animals</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Biology</category><media:description>Preserved soft tissue, including possible blood vessels, turn up in dinosaur fossils.</media:description><media:content medium="video" duration="811537" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/431/463/nova-002051-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1525103040/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Animals</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category></item><item><title>NOVA scienceNOW | Video Short: Snail Slime</title><link>http://watch.wliw.org/video/1487061736/</link><description>Crossing the world&#39;s most famous slowpoke with some of MIT&#39;s latest high-tech robotics</description><guid>http://watch.wliw.org/video/1487061736/</guid><pubDate>Thu, 6 May 2010 13:15:03 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Technology</category><media:description>Crossing the world&#39;s most famous slowpoke with some of MIT&#39;s latest high-tech robotics</media:description><media:content medium="video" duration="216800" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/177/nova-000000-thumb-snailSlime.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:player url="http://watch.wliw.org/video/1487061736/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category></item><item><title>NOVA scienceNOW | Video Short: An Elevator to Space?</title><link>http://watch.wliw.org/video/1487004699/</link><description>In this video extra, see a prototype of a technology that may one day take us to space.</description><guid>http://watch.wliw.org/video/1487004699/</guid><pubDate>Thu, 6 May 2010 12:18:04 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><category domain="PBS/taxonomy/topic">Technology</category><category domain="PBS/taxonomy/topic">Technology/Space</category><media:description>In this video extra, see a prototype of a technology that may one day take us to space.</media:description><media:content medium="video" duration="156133" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/122/nova-000000-thumb-elevatorSpace.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:player url="http://watch.wliw.org/video/1487004699/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Space</media:category></item><item><title>NOVA scienceNOW | Profile: Bonnie Bassler</title><link>http://watch.wliw.org/video/1522538416/</link><description>Her insight into how bacteria &quot;talk&quot; has launched a revolution in biological research.</description><guid>http://watch.wliw.org/video/1522538416/</guid><pubDate>Tue, 15 Jun 2010 07:54:44 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Biology</category><category domain="PBS/taxonomy/topic">Science/Profiles</category><media:description>Her insight into how bacteria &quot;talk&quot; has launched a revolution in biological research.</media:description><media:content medium="video" duration="565057" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/429/6/nosn-020304-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1522538416/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Profiles</media:category></item><item><title>NOVA scienceNOW | Space Elevator</title><link>http://watch.wliw.org/video/1511354508/</link><description>Can we build a 22,000-mile-high cable to transport cargo and people into space?</description><guid>http://watch.wliw.org/video/1511354508/</guid><pubDate>Wed, 2 Jun 2010 13:46:32 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><category domain="PBS/taxonomy/topic">Technology</category><category domain="PBS/taxonomy/topic">Technology/Engineering</category><category domain="PBS/taxonomy/topic">Technology/Space</category><media:description>Can we build a 22,000-mile-high cable to transport cargo and people into space?</media:description><media:content medium="video" duration="701707" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/418/349/nosn-020302-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1511354508/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Engineering</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Space</media:category></item><item><title>NOVA scienceNOW | Aging</title><link>http://watch.wliw.org/video/1511358105/</link><description>Will research into &quot;longevity genes&quot; help us live longer and healthier lives?</description><guid>http://watch.wliw.org/video/1511358105/</guid><pubDate>Wed, 2 Jun 2010 13:48:37 -0700</pubDate><category domain="PBS/taxonomy/topic">Health &amp; Wellness</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness/Aging</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Biology</category><media:description>Will research into &quot;longevity genes&quot; help us live longer and healthier lives?</media:description><media:content medium="video" duration="756784" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/418/352/nosn-020301-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1511358105/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness/Aging</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category></item><item><title>NOVA scienceNOW | Maya</title><link>http://watch.wliw.org/video/1511362264/</link><description>NASA archeologists use satellites to pinpoint ancient ruins buried deep in the jungle.</description><guid>http://watch.wliw.org/video/1511362264/</guid><pubDate>Wed, 2 Jun 2010 13:50:17 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Archaeology &amp; Anthropology</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><category domain="PBS/taxonomy/topic">Technology</category><category domain="PBS/taxonomy/topic">Technology/Space</category><media:description>NASA archeologists use satellites to pinpoint ancient ruins buried deep in the jungle.</media:description><media:content medium="video" duration="847435" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/418/356/nosn-020303-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1511362264/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Archaeology &amp; Anthropology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Space</media:category></item><item><title>NOVA scienceNOW | 1918 Flu</title><link>http://watch.wliw.org/video/1487943618/</link><description>A virus that killed up to 50 million people is revived to decipher its deadliness.</description><guid>http://watch.wliw.org/video/1487943618/</guid><pubDate>Fri, 7 May 2010 11:12:05 -0700</pubDate><category domain="PBS/taxonomy/topic">Health &amp; Wellness</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness/Public Health</category><category domain="PBS/taxonomy/topic">Science</category><media:description>A virus that killed up to 50 million people is revived to decipher its deadliness.</media:description><media:content medium="video" duration="753200" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/396/14/nosn-331802-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1487943618/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness/Public Health</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category></item><item><title>NOVA scienceNOW | Mass Extinction</title><link>http://watch.wliw.org/video/1487952457/</link><description>What caused the Permian extinction, the mother of all extinctions, 250 million years ago?</description><guid>http://watch.wliw.org/video/1487952457/</guid><pubDate>Fri, 7 May 2010 11:14:26 -0700</pubDate><category domain="PBS/taxonomy/topic">Nature &amp; Environment</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Weather &amp; Natural Disasters</category><category domain="PBS/taxonomy/topic">Science</category><media:description>What caused the Permian extinction, the mother of all extinctions, 250 million years ago?</media:description><media:content medium="video" duration="794322" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/396/23/nosn-331801-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1487952457/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Weather &amp; Natural Disasters</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category></item><item><title>NOVA scienceNOW | Video Short: Hunting Meteorites</title><link>http://watch.wliw.org/video/1487022656/</link><description>Join Neil deGrasse Tyson on a trip to the Mojave Desert with meteorite hunter Rob Matson.</description><guid>http://watch.wliw.org/video/1487022656/</guid><pubDate>Thu, 6 May 2010 12:31:55 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><media:description>Join Neil deGrasse Tyson on a trip to the Mojave Desert with meteorite hunter Rob Matson.</media:description><media:content medium="video" duration="223866" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/139/nova-000000-thumb-huntMeteorites.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:player url="http://watch.wliw.org/video/1487022656/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category></item><item><title>NOVA scienceNOW | Island of Stability</title><link>http://watch.wliw.org/video/1511350366/</link><description>A nuclear chemist aims to create entirely new elements to add to the periodic table.</description><guid>http://watch.wliw.org/video/1511350366/</guid><pubDate>Wed, 2 Jun 2010 13:40:21 -0700</pubDate><category domain="PBS/taxonomy/topic">Nature &amp; Environment</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Chemistry</category><media:description>A nuclear chemist aims to create entirely new elements to add to the periodic table.</media:description><media:content medium="video" duration="790198" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/418/345/nosn-002012-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1511350366/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Chemistry</media:category></item><item><title>NOVA scienceNOW | Asteroid</title><link>http://watch.wliw.org/video/1506748851/</link><description>Will a doomsday rock the size of the Rose Bowl hit Earth in 2036?</description><guid>http://watch.wliw.org/video/1506748851/</guid><pubDate>Fri, 28 May 2010 10:18:43 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><media:description>Will a doomsday rock the size of the Rose Bowl hit Earth in 2036?</media:description><media:content medium="video" duration="734261" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/413/971/nosn-002011-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1506748851/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category></item><item><title>NOVA scienceNOW | Obesity</title><link>http://watch.wliw.org/video/1506746269/</link><description>Examine the biology behind the compulsion to eat.</description><guid>http://watch.wliw.org/video/1506746269/</guid><pubDate>Fri, 28 May 2010 10:20:31 -0700</pubDate><category domain="PBS/taxonomy/topic">Health &amp; Wellness</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness/Diet &amp; Nutrition</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Biology</category><media:description>Examine the biology behind the compulsion to eat.</media:description><media:content medium="video" duration="739671" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/413/968/nosn-002013-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1506746269/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness/Diet &amp; Nutrition</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category></item><item><title>NOVA scienceNOW | Profile: Karl Iagnemma</title><link>http://watch.wliw.org/video/1506763299/</link><description>An innovative MIT roboticist is also an acclaimed fiction writer.</description><guid>http://watch.wliw.org/video/1506763299/</guid><pubDate>Fri, 28 May 2010 10:21:59 -0700</pubDate><category domain="PBS/taxonomy/topic">Arts &amp; Literature</category><category domain="PBS/taxonomy/topic">Arts &amp; Literature/Fiction</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Technology</category><category domain="PBS/taxonomy/topic">Technology/Robotics</category><category domain="PBS/taxonomy/topic">Technology/Space</category><media:description>An innovative MIT roboticist is also an acclaimed fiction writer.</media:description><media:content medium="video" duration="630119" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/413/985/nosn-002014-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1506763299/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Arts &amp; Literature</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Arts &amp; Literature/Fiction</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Robotics</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Space</media:category></item><item><title>NOVA scienceNOW | Video Short: Found It!</title><link>http://watch.wliw.org/video/1487012286/</link><description>Michael Brown knew instantly the object he discovered in 2005 was a planet.</description><guid>http://watch.wliw.org/video/1487012286/</guid><pubDate>Thu, 6 May 2010 12:23:39 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><media:description>Michael Brown knew instantly the object he discovered in 2005 was a planet.</media:description><media:content medium="video" duration="71866" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/129/nova-000000-thumb-Foudit.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:player url="http://watch.wliw.org/video/1487012286/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category></item><item><title>NOVA scienceNOW | 10th Planet</title><link>http://watch.wliw.org/video/1511285532/</link><description>A discovery in our solar system raises questions about what makes a planet a planet.</description><guid>http://watch.wliw.org/video/1511285532/</guid><pubDate>Wed, 2 Jun 2010 13:23:56 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Astronomy &amp; Space</category><media:description>A discovery in our solar system raises questions about what makes a planet a planet.</media:description><media:content medium="video" duration="328097" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/418/281/nosn-001051-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1511285532/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Astronomy &amp; Space</media:category></item><item><title>NOVA scienceNOW | Twin Prime Conjecture</title><link>http://watch.wliw.org/video/1511294183/</link><description>New insight into a 2,300-year-old mystery surrounding prime numbers inspires a song.</description><guid>http://watch.wliw.org/video/1511294183/</guid><pubDate>Wed, 2 Jun 2010 13:25:46 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Mathematics</category><media:description>New insight into a 2,300-year-old mystery surrounding prime numbers inspires a song.</media:description><media:content medium="video" duration="171479" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/418/290/nosn-001052-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1511294183/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Mathematics</media:category></item><item><title>NOVA scienceNOW | Ivory-Billed Woodpecker</title><link>http://watch.wliw.org/video/1511300753/</link><description>An enchanting bird believed extinct mysteriously reappears ... maybe.</description><guid>http://watch.wliw.org/video/1511300753/</guid><pubDate>Wed, 2 Jun 2010 13:27:29 -0700</pubDate><category domain="PBS/taxonomy/topic">Nature &amp; Environment</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Animals</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Conservation</category><category domain="PBS/taxonomy/topic">Science</category><media:description>An enchanting bird believed extinct mysteriously reappears ... maybe.</media:description><media:content medium="video" duration="412247" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/418/296/nosn-001053-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1511300753/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Animals</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Conservation</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category></item><item><title>NOVA scienceNOW | Pandemic Flu</title><link>http://watch.wliw.org/video/1511320579/</link><description>Will the virus that causes bird flu develop the ability to move from person to person?</description><guid>http://watch.wliw.org/video/1511320579/</guid><pubDate>Wed, 2 Jun 2010 13:29:08 -0700</pubDate><category domain="PBS/taxonomy/topic">Health &amp; Wellness</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness/Public Health</category><category domain="PBS/taxonomy/topic">Science</category><media:description>Will the virus that causes bird flu develop the ability to move from person to person?</media:description><media:content medium="video" duration="362904" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/418/316/nosn-001054-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1511320579/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness/Public Health</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category></item><item><title>NOVA scienceNOW | Lab Meat?</title><link>http://watch.wliw.org/video/1511333274/</link><description>Scientists can grow edible meat in culture from a few animal cells. Bon appetit?</description><guid>http://watch.wliw.org/video/1511333274/</guid><pubDate>Wed, 2 Jun 2010 13:31:14 -0700</pubDate><category domain="PBS/taxonomy/topic">Health &amp; Wellness</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Technology</category><media:description>Scientists can grow edible meat in culture from a few animal cells. Bon appetit?</media:description><media:content medium="video" duration="147911" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/418/328/nosn-001055-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1511333274/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category></item><item><title>NOVA scienceNOW | Stem Cells: 2006 Update</title><link>http://watch.wliw.org/video/1511335379/</link><description>Scientists find a new technique for easing ethical concerns.</description><guid>http://watch.wliw.org/video/1511335379/</guid><pubDate>Wed, 2 Jun 2010 13:33:20 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Biology</category><media:description>Scientists find a new technique for easing ethical concerns.</media:description><media:content medium="video" duration="497928" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/418/330/nosn-001056-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1511335379/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category></item><item><title>NOVA scienceNOW | Stronger Hurricanes</title><link>http://watch.wliw.org/video/1511338421/</link><description>Is global warming making hurricanes more intense?</description><guid>http://watch.wliw.org/video/1511338421/</guid><pubDate>Wed, 2 Jun 2010 13:35:58 -0700</pubDate><category domain="PBS/taxonomy/topic">Nature &amp; Environment</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Environment</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Weather &amp; Natural Disasters</category><media:description>Is global warming making hurricanes more intense?</media:description><media:content medium="video" duration="372842" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/418/333/nosn-001057-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1511338421/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Weather &amp; Natural Disasters</media:category></item><item><title>NOVA scienceNOW | Profile:  Tyler Curiel</title><link>http://watch.wliw.org/video/1511344310/</link><description>Amid Hurricane Katrina a cancer researcher risks everything to save a medical treasure.</description><guid>http://watch.wliw.org/video/1511344310/</guid><pubDate>Wed, 2 Jun 2010 13:38:18 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Biology</category><media:description>Amid Hurricane Katrina a cancer researcher risks everything to save a medical treasure.</media:description><media:content medium="video" duration="583540" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/418/339/nosn-001058-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1511344310/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category></item><item><title>NOVA scienceNOW | Fuel Cells</title><link>http://watch.wliw.org/video/1506737033/</link><description>Hydrogen fuel cell cars promise pollution-free driving, but will we see them anytime soon?</description><guid>http://watch.wliw.org/video/1506737033/</guid><pubDate>Fri, 28 May 2010 10:11:31 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Chemistry</category><category domain="PBS/taxonomy/topic">Technology</category><category domain="PBS/taxonomy/topic">Technology/Automotive</category><category domain="PBS/taxonomy/topic">Technology/Transportation</category><media:description>Hydrogen fuel cell cars promise pollution-free driving, but will we see them anytime soon?</media:description><media:content medium="video" duration="769811" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/413/959/nosn-001031-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1506737033/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Chemistry</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Automotive</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Transportation</media:category></item><item><title>NOVA scienceNOW | Profile: Brothers Chudnovsky</title><link>http://watch.wliw.org/video/1506740489/</link><description>The story of two brilliant mathematicians, a unicorn, and a homemade supercomputer</description><guid>http://watch.wliw.org/video/1506740489/</guid><pubDate>Fri, 28 May 2010 10:13:19 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Mathematics</category><category domain="PBS/taxonomy/topic">Science/Profiles</category><category domain="PBS/taxonomy/topic">Technology</category><category domain="PBS/taxonomy/topic">Technology/Engineering</category><media:description>The story of two brilliant mathematicians, a unicorn, and a homemade supercomputer</media:description><media:content medium="video" duration="575181" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/413/963/nosn-001034-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1506740489/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Mathematics</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Profiles</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology/Engineering</media:category></item><item><title>NOVA scienceNOW | RNAi</title><link>http://watch.wliw.org/video/1506740590/</link><description>A petunia leads to the discovery of modest little molecules with enormous medical promise.</description><guid>http://watch.wliw.org/video/1506740590/</guid><pubDate>Fri, 28 May 2010 10:14:47 -0700</pubDate><category domain="PBS/taxonomy/topic">Health &amp; Wellness</category><category domain="PBS/taxonomy/topic">Health &amp; Wellness/Biology</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Biology</category><media:description>A petunia leads to the discovery of modest little molecules with enormous medical promise.</media:description><media:content medium="video" duration="864339" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/413/963/nosn-001032-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1506740590/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health &amp; Wellness/Biology</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category></item><item><title>NOVA scienceNOW | Fastest Glacier</title><link>http://watch.wliw.org/video/1506740599/</link><description>A glacier moving too fast reveals how unpredictable the effects of global warming can be.</description><guid>http://watch.wliw.org/video/1506740599/</guid><pubDate>Fri, 28 May 2010 10:16:51 -0700</pubDate><category domain="PBS/taxonomy/topic">Nature &amp; Environment</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Conservation</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Environment</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Humans &amp; Nature</category><category domain="PBS/taxonomy/topic">Science</category><media:description>A glacier moving too fast reveals how unpredictable the effects of global warming can be.</media:description><media:content medium="video" duration="366596" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/413/963/nosn-001033-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1506740599/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Conservation</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Humans &amp; Nature</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category></item><item><title>NOVA scienceNOW | T. Rex</title><link>http://watch.wliw.org/video/1320425612/</link><description>An astonishing adolescent growth spurt accounts for T. rex&#39;s enormous size.</description><guid>http://watch.wliw.org/video/1320425612/</guid><pubDate>Fri, 6 Nov 2009 10:11:57 -0800</pubDate><category domain="PBS/taxonomy/topic">Nature &amp; Environment</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Animals</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Biodiversity</category><category domain="PBS/taxonomy/topic">Science</category><media:description>An astonishing adolescent growth spurt accounts for T. rex&#39;s enormous size.</media:description><media:content medium="video" duration="435666" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/236/263/nova-00TREX-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1320425612/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Animals</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Biodiversity</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category></item><item><title>NOVA scienceNOW | Little People of Flores</title><link>http://watch.wliw.org/video/1300421877/</link><description>The remains of three-foot-tall humans are discovered on a remote Indonesian island.</description><guid>http://watch.wliw.org/video/1300421877/</guid><pubDate>Mon, 19 Oct 2009 13:43:15 -0700</pubDate><media:description>The remains of three-foot-tall humans are discovered on a remote Indonesian island.</media:description><media:content medium="video" duration="702733" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/217/184/nova-00flores-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">nr</media:rating><media:player url="http://watch.wliw.org/video/1300421877/" /></item><item><title>NOVA scienceNOW | Profile: Naomi Halas</title><link>http://watch.wliw.org/video/1506699698/</link><description>Halas is a pioneering nanotechnologist bent on seeing practical applications for her work.</description><guid>http://watch.wliw.org/video/1506699698/</guid><pubDate>Fri, 28 May 2010 10:06:04 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Profiles</category><media:description>Halas is a pioneering nanotechnologist bent on seeing practical applications for her work.</media:description><media:content medium="video" duration="442804" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/413/923/nosn-001023-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1506699698/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Profiles</media:category></item><item><title>NOVA scienceNOW | Frozen Frogs</title><link>http://watch.wliw.org/video/1506734069/</link><description>The common wood frog freezes solid every winter and then, come spring, defrosts and mates.</description><guid>http://watch.wliw.org/video/1506734069/</guid><pubDate>Fri, 28 May 2010 10:09:21 -0700</pubDate><category domain="PBS/taxonomy/topic">Nature &amp; Environment</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Animal Behavior</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Animals</category><category domain="PBS/taxonomy/topic">Nature &amp; Environment/Environment</category><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Biology</category><media:description>The common wood frog freezes solid every winter and then, come spring, defrosts and mates.</media:description><media:content medium="video" duration="238515" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/413/956/nosn-001025-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1506734069/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Animal Behavior</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Animals</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Nature &amp; Environment/Environment</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category></item><item><title>NOVA scienceNOW | Stem Cells: Early Research</title><link>http://watch.wliw.org/video/1506726820/</link><description>In 2005, this story covered the hopes and controversies of stem cell research.</description><guid>http://watch.wliw.org/video/1506726820/</guid><pubDate>Tue, 1 Jun 2010 06:23:04 -0700</pubDate><category domain="PBS/taxonomy/topic">Science</category><category domain="PBS/taxonomy/topic">Science/Biology</category><media:description>In 2005, this story covered the hopes and controversies of stem cell research.</media:description><media:content medium="video" duration="820059" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/413/949/nosn-001024-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:rating scheme="urn:v-chip">tv-g</media:rating><media:player url="http://watch.wliw.org/video/1506726820/" /><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science</media:category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science/Biology</media:category></item></channel></rss>
