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Origins of Us Episodes Available now
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Brains
3/3 Alice Roberts looks at humans' large brains and why we are the only ape of our kind today.
![](https://ichef.bbci.co.uk/images/ic/320x180/p0g0y209.jpg)
Guts
2/3 Alice Roberts charts how our ancestors' hunt for food has shaped our bodies and behaviour.
![](https://ichef.bbci.co.uk/images/ic/320x180/p0fzjx5l.jpg)
Bones
1/3 Alice Roberts looks at how our skeleton reveals the evolutionary journey of our ancestors.