Skip to main content
Back to Show
Your Inner Fish

The 500-Million-Year History of the Human Brain

Even though your brain enables you to do some amazing things, its evolutionary story runs deep. Biologists Peter Holland and Neil Shubin go hunting for Amphioxus, a tiny, simple animal, whose genes show us just how ancient our brain truly is.

Support Provided By
Your Inner Monkey
54:40
Find out which beneficial traits our primate progenitors bequeathed us.
Your Inner Reptile
54:46
Learn which parts of our bodies we’ve inherited from our reptilian ancestors.
Your Inner Fish
55:11
See how the genetic legacy of a fish can be seen today in our own DNA.
Active loading indicator