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
In one day, adult lungs move about 10,000 litres of air.
11
Your heart will pump about 212 million liters in its lifetime.
26
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
21
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
A human being loses an average of 40 to 100 strands of hair a day.
133
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62