October 26, 2016
Special | 28m 44s
Wildlife expert Carl Safina says many animals have complex thoughts and emotions. Imagining life as an octopus. Are we alone in the universe? Astrobiologist Caleb Scharf talks about how scientists are trying to answer that question. Researchers are tracking the geographic and genetic history of the Zika virus. What’s with all those solar panels at the Daytona International Speedway?
Aired: 10/25/16Video has closed captioning.