In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Tigers can see 6 times better at night than humans.
305
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
Obsessive nose picking is called Rhinotillexomania.
101
The average sperm cell swims at 8 inches per hour.
4
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
The human sigh acts as a physiological reset button.
23