Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
After an 11 year study, cell phones were shown not to increase chances of getting cancer.
14
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.
21
There is a disease called ichthyosis that turns the skin scaly like a fish.
90
Fingernails grow nearly 4 times faster than toenails.
31
Music has the ability to repair brain damage and return lost memories.
62
In older people, memory is best early in the morning and then declines during the late afternoon.
33
Redheads require more anesthesia to 'go under' than other hair colors do.
50