Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Human hair and fingernails continue to grow after death.
7
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Pain occurs when sounds are above 130 db.
124
The world's shortest man measures only 21.5 inches.
73
Our brains have a negativity bias and will remember bad memories more than good ones.
15
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15