Why Do Things Keep Evolving Into Crabs?
Season 3 Episode 24 | 6m 46s | Video has closed captioning.
For some reason, animals keep evolving into things that look like crabs, independently, over and over again. What is it about the crab’s form that makes it so evolutionarily successful that non-crabs are apparently jealous of it?
Problems Playing Video? | Closed Captioning