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
The average human body contains enough fat to make seven bars of soap.
45
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Flu shots only work about 70% of the time.
18
By the age of 60, most people have lost 50% of their taste buds.
17
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
People that suffer from gum disease are twice as likely to have a stroke or heart attack.
22
Every time you lick a stamp, you're consuming 1/10 of a calorie!
47