There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Gin is a mild diuretic which helps the body get rid of excessive fluid. Thus, it can reduce problems such as menstrual bloating.
90
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
The average sperm cell swims at 8 inches per hour.
76

