Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
In one day, adult lungs move about 10,000 litres of air.
11
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Tigers can see 6 times better at night than humans.
305
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Your thumb is about the same size as your nose.
124