Early American humans hunted car-size armadillos and used their shells for houses.
12
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
It takes about 20 seconds for a red blood cell to circle the whole body.
102
All 13 minerals necessary for human life can be found in alcohol beverages.
282
The human brain doesn't stop developing until about 25 years old.
102
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118