In 1996, research found that having excessive body hair is linked to higher intelligence.
23
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Within three days of death, the enzymes that once digested your food begin to eat you.
22
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
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
Your thumb is about the same size as your nose.
124