Your thumb is about the same size as your nose.
124
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Every hour one billion cells in the body must be replaced.
17
There are 206 bones in the human body!
-17
The chemicals indole and skatole, which help to account for the particular smell of human feces, are used as ingredients in perfume!
-3
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
If you unfolded your brain, it would cover an ironing board.
42