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
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Obsessive nose picking is called Rhinotillexomania.
101
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Only humans shed emotional tears.
331