The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
