Babies crawl an average of 200m a day.
212
Only humans shed emotional tears.
331
In one day, adult lungs move about 10,000 litres of air.
11
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Early American humans hunted car-size armadillos and used their shells for houses.
12