If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
By weight, Bone is five times stronger than steel.
417
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
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
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Mushrooms are more closely related to humans than they are to plants.
47