A single speck of dust is half way in size between a subatomic particle and the Earth.
15
According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
14
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
The earth is approx. 6,588,000,000,000,000,000 tons.
175
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
There are approximately three chickens for every human on Earth.
13
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15