Articles on poo

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Human poo is a concoction made up mostly of water with a sprinkling of the solid stuff. from www.shutterstock.com

Your poo is (mostly) alive. Here’s what’s in it

Around 75% of our faeces is made up of water. The other 25% is the good stuff, including bacteria, viruses and undigested food.
Defecation duration is surprisingly similar throughout the mammal world. Elephant image via www.shutterstock.com.

Physics of poo: Why it takes you and an elephant the same amount of time

New parenthood got our fluid dynamics experts thinking about what ends up in the diaper. They headed to the zoo and the lab to come up with a cohesive physics story for how defecation works.

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