Our brains have a negativity bias and will remember bad memories more than good ones.
15
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
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
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
It takes about 20 seconds for a red blood cell to circle the whole body.
102
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
The human sigh acts as a physiological reset button.
23