Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Fingernails grow nearly 4 times faster than toenails.
31
Children are more allergic to cockroaches than they are to cats!
46
According to one report, it would take 800 marijuana joints to kill a person - but the cause of death would be carbon monoxide poisoning.
176
If you unfolded your brain, it would cover an ironing board.
42
Every hour one billion cells in the body must be replaced.
17
A woman's sense of smell is most sensitive during ovulation.
34
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108