Anuses can have teeth, farts can be weapons, butts can be homes : an interview with a farts expert
▻https://massivesci.com/articles/does-it-fart-dani-rabaiotti-butts-anus-cloaca
Zoologist and butt book author Dani Rabaiotti on the worst fart she ever smelled and what new fart research she’d like to see