Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
On average a woman has 4 sexual partners in her lifetime.
-143
It takes approximately 12 hours for food to entirely digest.
93
A person can live without food for about a month, but only about a week without water.
156
Yawns are more contagious among people with closer relationships.
163