It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164
The right lung takes in more air than the left.
30
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
The chemicals indole and skatole, which help to account for the particular smell of human feces, are used as ingredients in perfume!
-3
A person infected with the SARS virus, has a 95-98% chance of recovery.
23
A sneeze can travel as fast as 100 miles per hour.
43
Your hair grows faster in the morning than at any other time of day.
91