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
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Only 1% of bacteria cause disease.
45
Only 1 person in 2 billion will live to be 116.
49
Most dreams last only 5 to 20 minutes.
79
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22