For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
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, there's 100 billion neurons in the human brain.
83
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
A human being loses an average of 40 to 100 strands of hair a day.
133
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14