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
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Drinking watermelon juice before a workout helps reduce muscle soreness.
21
The average sperm cell swims at 8 inches per hour.
76
By weight, Bone is five times stronger than steel.
417
Fingernails grow nearly 4 times faster than toenails!
30
Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
70
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233