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
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The smallest human penis ever recorded was just 5/8 of an inch long!
77
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37