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
Only 1% of bacteria cause disease.
45
In Nepal, cow dung is used for medicinal purposes.
19
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
25% of your bones are located in your feet.
12
The average person has over 1,460 dreams a year!
69
Those who get out of bed by 7am are more likely to be thinner and happier.
20
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
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