A study in the UK states that men need at least two "guys nights out" each week to stay healthy.
5
A sneeze can travel as fast as 100 miles per hour.
43
Your skin is actually an organ.
88
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
Redheads require more anesthesia to 'go under' than other hair colors do.
51
Our brains have a negativity bias and will remember bad memories more than good ones.
15
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37