Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Early American humans hunted car-size armadillos and used their shells for houses.
12
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Gorillas can catch human colds and other illnesses.
205
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515