When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Poor eyesight (myopia) is associated with higher IQ.
232
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
Enamel is hardest substance in the human body.
61
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
There are about 255 babies born worldwide every minute.
46