Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
44% of kids watch television before they go to sleep.
106
Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
18