The average person's skin weighs twice as much as their brain.
131
Early American humans hunted car-size armadillos and used their shells for houses.
12
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Gorillas can catch human colds and other illnesses.
205