You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
It's impossible to kill yourself by holding your breath.
703
In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.
36
Q-Tip Cotton Swabs were originally called Baby Gays.
55
A typical full-time worker in the US with a four-year college degree earns about $50,000. This is 62% more than a worker with only a high-school diploma.
72