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
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