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
Common pesticides such as roach, termite, and flea insecticide can be found in the bodies of the majority of Americans.
11
When a person dies, hearing is usually the last sense to go.
124
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Every time you lick a stamp, you're consuming 1/10 of a calorie!
47
The male fetus is capable of attaining an erection during the last trimester.
75
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Nearly 80 percent of all sudden cardiac arrests happen at home.
7