When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Poor eyesight (myopia) is associated with higher IQ.
232
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
The human brain has the capacity to store everything that you experience.
4k
You can't tickle yourself.
29
The human body contains over a billion miles of DNA.
147