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
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Within three days of death, the enzymes that once digested your food begin to eat you.
22
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
The human sigh acts as a physiological reset button.
23