On average, there's 100 billion neurons in the human brain.
83
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Our brains have a negativity bias and will remember bad memories more than good ones.
15
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
On average a woman has 4 sexual partners in her lifetime.
-143
A person can live without food for about a month, but only about a week without water.
156
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