On average, there's 100 billion neurons in the human brain.
83
All 13 minerals necessary for human life can be found in alcohol beverages.
282
You can't tickle yourself.
29
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
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
We share 70% of our DNA with a slug.
218
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
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252