Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
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
Redheads require more anesthesia to 'go under' than other hair colors do.
50
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30
Poor eyesight (myopia) is associated with higher IQ.
232
