Want better video quality? Sign in to access HD streaming!


Want to watch better-quality PBS Video? Sign in to access HD streaming!

When you sign in, you'll become a PBS Insider and we'll share your contact information with your local PBS station. You may receive updates to help you stay connected with what's happening online and in your community. Privacy Policy


SciTech Now Episode 406

  • Aired: 11/13/2017
  • 26:50
  • Rating: NR
In this episode of SciTech Now, a look at the topography of teeth; a dwindling supply of plutonium threatens deep space exploration; meet the Kootenai tribe of Idaho who are saving the white sturgeon; and a speed-dating science competition.
Embed Options
Close ×
SciTech Now Episode 406
SciTech Now Episode 406
Teeth, dwindling plutonium, saving the white sturgeon, and a science speed-dating.
Please copy this text to your clipboard.
Problems Playing Video ?
PBS Anywhere - funder area
Related Links:


Watch videos from your favorite PBS KIDS shows with the PBS KIDS Video app for your tablet or phone.

Masterpiece Collection

Own it now! Victoria, Poldark, Downton Abbey on DVD & Blu-ray. Visit ShopPBS.


WLIW21 helps all of us explore new worlds and ideas. Give Now