Why Do Some Poops Float Whilst Others Sink?

Okay, my peeps, let’s indulge our inner child and ask the question we’ve all asked when we were small

Bathroom sign. (Credit: Sören / CC BY-SA 2.0)

Now that the Thanksgiving holiday and the huge variety of food overindulgences that accompany it are rapidly approaching, I thought I’d talk about something that we all do: poop. Specifically, I am reviving a question that I remember horrifying the relatives with by asking at the dinner table, and perhaps you do, too: Why do some poops float whilst others sink?