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
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
We share 70% of our DNA with a slug.
218
Every human spent about half an hour as a single cell.
144
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Gorillas can catch human colds and other illnesses.
205
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127