This Week I Learned

Ep. 27: This week I learned cavemen brushed their teeth, and more

Episode Summary

The dental hygiene of cavemen | The bagpiper and the penguin | Your breath, your health | The brain-boosting benefits of the sauna

Episode Notes

This week I learned our earliest ancestors brushed their teeth, the story behind one of the most delightfully bizarre photos on the internet, that doctors can detect cancer from your breath, and that we should all be taking more saunas.