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
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
Enamel is hardest substance in the human body.
61
Tigers can see 6 times better at night than humans.
305
Your thumb is about the same size as your nose.
124
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515