On average, there's 100 billion neurons in the human brain.
83
Yawns are more contagious among people with closer relationships.
163
The average person's skin weighs twice as much as their brain.
131
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
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
On average a woman has 4 sexual partners in her lifetime.
-143
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
Every human spent about half an hour as a single cell.
144