Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
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
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15