Only humans shed emotional tears.
331
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
30
Your heart will pump about 212 million liters in its lifetime.
26
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
Every human spent about half an hour as a single cell.
144
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99