There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
In one day, adult lungs move about 10,000 litres of air.
11
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The human brain is more active during sleep than during the day.
28
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111