Dieters who sleep more take off more fat that those who sleep less.
159
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
About 400 different kinds of microbes live on and in the human body.
-3
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
A fetus develops fingerprints at eighteen weeks!
32
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
On average, there's 100 billion neurons in the human brain.
83
When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30