You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
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 human sigh acts as a physiological reset button.
23
If you hold farts in during the day, they'll just come out when you sleep.
16
Within three days of death, the enzymes that once digested your food begin to eat you.
22
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99