The butt is packed with information. What does it tell us about human evolution? About genetic privacy? About the past and the future? Every Tuesday in September, Massive is going deeper on butt science
The larva of a the thistle tortoise beetle deposits poop on its back as a shield.
Judy Gallagher via Flickr (CC BY 2.0)
Defense by dung doesn't always elicit disgust in predators to repel them
Fossilized dinosaur feces, a coprolite, nicknamed "The Kraken"
Scientists analyzed bacterial genomes from 1000-2000 year feces