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
The average person's skin weighs twice as much as their brain.
131
There are about 1,400 different species of bacteria in your belly button.
10
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
There's 100 trillion good bacteria living in your body.
17
You see your nose at all times, your brain just chooses to ignore it.
30