The average sperm cell swims at 8 inches per hour.
4
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
There are about 255 babies born worldwide every minute.
46
Your fingernails grow faster in summer.
744
Our brains have a negativity bias and will remember bad memories more than good ones.
15
In one day, adult lungs move about 10,000 litres of air.
11
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266