> Chewing is also an imperfect process. Mammals, and I can tell you this personally and with some disdain, sometimes pass seeds as well. That's how you get poo

> Chewing is also an imperfect process. Mammals, and I can tell you this personally and with some disdain, sometimes pass seeds as well. That's how you get poop coffee. https://en.wikipedia.org/wiki/Kopi_luwak https://en.wikipedia.org/wiki/Kopi_luwak