Our brains have a negativity bias and will remember bad memories more than good ones.
15
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
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
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
Your heart will pump about 212 million liters in its lifetime.
26
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99