Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
The human heart creates enough pressure to squirt blood 30 ft.
37
Only 1% of bacteria cause disease in humans!
2
The first patented condom was meant to be reused!
47
You inhale about 700,000 of your own skin flakes each day.
29
Midgets and dwarfs almost always have normal sized children.
54
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18