When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
The human eye blinks an average of 4,200,000 times a year.
233
Poor eyesight (myopia) is associated with higher IQ.
232
The average person's skin weighs twice as much as their brain.
131
Babies crawl an average of 200m a day.
212
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346