Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
One third of the electricity produced on earth is used to power electric light bulbs!
75
4.5 pounds of sunlight strike the Earth each day.
27
The sun is 330,330 times larger than the earth.
75
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304