It's Okay to Be Smart

Sonic the Hedgehog Is Why You Have Thumbs!

Season 2 Episode 9 | 6m 8s

The human hand, with its multi-talented thumb, might be man's greatest tool. But did you know we can trace that thumb, and the hand and arm it's connected to, all the way back to a 375 million-year-old fish named Tiktaalik? This week I sit down with paleontologist and geneticist Dr. Neil Shubin to learn what a fish, and a little blue hedgehog, can teach us about the evolution of thumbs

Aired: 05/05/16

Rating: NR

From:

Problems Playing Video? | Closed Captioning