The human sigh acts as a physiological reset button.
23
If you hold farts in during the day, they'll just come out when you sleep.
16
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
You see your nose at all times, your brain just chooses to ignore it.
30
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
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197