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
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Human thigh bones are stronger than concrete!
63
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
The average tastebud lives only 10 days before it dies and is replaced by a new one.
15
Chocolate, sex, and laughter are all important for a healthy brain.
37
A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25
Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.
202