A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
Putting sugar on a wound or cut will greatly reduce pain and speed up the healing process.
25
The smallest human penis ever recorded was just 5/8 of an inch long!
77
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 human brain is more active during sleep than during the day.
28
The average human body contains enough iron to make a small nail.
50
The average office desk has 400 times more bacteria than a toilet.
22
Taphephobia is the fear of being buried alive!
44