Our brains have a negativity bias and will remember bad memories more than good ones.
15
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
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 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