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
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The average person's skin weighs twice as much as their brain.
131
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
The human sigh acts as a physiological reset button.
23
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
You see your nose at all times, your brain just chooses to ignore it.
30