The average sperm cell swims at 8 inches per hour.
4
By weight, Bone is five times stronger than steel.
417
The average office desk has 400 times more bacteria than a toilet.
22
The average human body contains enough iron to make a small nail.
50
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16