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
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
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
On average, there's 100 billion neurons in the human brain.
83
Mushrooms are more closely related to humans than they are to plants.
47
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99