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
On average, women have always lived longer than men.
195
Nearly 80 percent of all sudden cardiac arrests happen at home.
7
Chocolate, sex, and laughter are all important for a healthy brain.
37
The human heart creates enough pressure to squirt blood 30 ft.
37
Only 1% of bacteria cause disease.
45
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
