A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Tigers can see 6 times better at night than humans.
305
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Poor eyesight (myopia) is associated with higher IQ.
232
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
94