A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
A person can live without food for about a month, but only about a week without water.
156
On average, there's 100 billion neurons in the human brain.
83
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
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266