Lobsters have blue blood.
476
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
Yawns are more contagious among people with closer relationships.
163
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65