When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Babies crawl an average of 200m a day.
212
The human brain is more active during sleep than during the day.
28
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
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