Consumption of TNT turns urine amber or deep red, which people often mistake for blood.
301
There's a rare breed of pig that looks like a sheep.
14
Lobsters have blue blood.
476
Tickling was a form of torture used in ancient China on nobility because it left no mark and recovery was quick.
33
A man named Heraclitus had an illness that made his body swell up with water. To try to sweat it off, he buried himself in a steaming pile of animal poo, but then overheated and died of dehydration.
18
Condoms were originally made of animal intestines or linen.
347