A person can live without food for about a month, but only about a week without water.
156
A toothbrush within 6 feet of a toilet can get airborne bacteria from flushing.
15
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Dentists have recommended that a toothbrush be kept at least 6 feet away from a toilet to avoid airborne particles resulting from the flush.
104
If your DNA was stretched out it would reach to the moon 6,000 times.
256
The first patented condom was meant to be reused!
47
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139