The human body contains over a billion miles of DNA.
147
Yawns are more contagious among people with closer relationships.
163
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Babies crawl an average of 200m a day.
212
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
Every human spent about half an hour as a single cell.
144