Main content
![](https://ichef.bbci.co.uk/images/ic/640x360/p02cchhq.jpg)
How our bottoms are designed for running
Dr Alice Roberts and Prof Dan Lieberman demonstrate how human bottoms are designed for running.
Duration:
This clip is from
More clips from Origins of Us
-
The effect of attractive women on skateboarders—Guts
Duration: 02:37
-
Why do we live so long? Childcare with the Hadza tribe—Brains
Duration: 05:12