On average, there's 100 billion neurons in the human brain.
83
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Poor eyesight (myopia) is associated with higher IQ.
232
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Babies crawl an average of 200m a day.
212