The human brain is more active during sleep than during the day.
28
Our Right Lungs takes more air than our left lung.
194
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The human body contains over a billion miles of DNA.
147
The human brain doesn't stop developing until about 25 years old.
102