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
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
If you hold farts in during the day, they'll just come out when you sleep.
16
The average sperm cell swims at 8 inches per hour.
76
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17