Tigers can see 6 times better at night than humans.
305
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
30
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
A person can live without food for about a month, but only about a week without water.
156