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
Obsessive nose picking is called Rhinotillexomania.
101
One human hair can support 3 ounces.
191
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
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
You forget 90% of your dreams.
256
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
The average sperm cell swims at 8 inches per hour.
4