For the second part of our hygiene series, we manage to cover the full range of human bodily needs. Michael walks through the history of toilets and waste removal and Katie talks about all things teeth. 

* Apologies about the audio quality - we're still working through some mic issues. 

Toilets

History of Poop  

NASA Space Waste Guidelines  

Poop Researchers  

Invention of Toilet Paper 

Best Way to Wipe  

Queer Toilet History 

Toothbrushes

History of Dentistry 

Oral Hygiene Timeline

Chewing Stick Research