Smokers get ten times more wrinkles than non-smokers.
171
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
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
When you take a step, you are using up to 200 muscles.
885
Your hair grows faster in the morning than at any other time of day.
91
Your skin is actually an organ.
88
Your body is creating and killing about 2.4 million red blood cells per second.
17
It takes 17 muscles to smile, 43 to frown.
65