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
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
A man once sued his doctor because he survived his cancer longer than the doctor predicted.
74
The skin on your lips is 200 times more sensitive than your fingertips.
345
You would need to smoke between 20,000-40,000 joints to be at risk of dying of a THC overdose.
12
Dentists have recommended that a toothbrush be kept at least 6 feet away from a toilet to avoid airborne particles resulting from the flush.
104
The chemicals indole and skatole, which help to account for the particular smell of human feces, are used as ingredients in perfume!
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