A sneeze can travel as fast as 100 miles per hour.
43
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
The skin on your lips is 200 times more sensitive than your fingertips.
345
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Chocolate, sex, and laughter are all important for a healthy brain.
37
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
In 1996, research found that having excessive body hair is linked to higher intelligence.
23