There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The average female will have 3.3 pregnancies in her life.
49
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
During menstruation, the sensitivity of a woman's middle finger is reduced.
47
It takes approximately 12 hours for food to entirely digest.
93
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
The average person can live for eleven days without water, assuming an average temperature of 60 degrees fahrenheit.
15