The human brain doesn't stop developing until about 25 years old.
102
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
If the human eye was a digital camera, it would have 576 megapixels.
25
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Pain occurs when sounds are above 130 db.
124
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132