In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The United States has paved enough roads to circle the Earth over 150 times.
72
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
There are approximately three chickens for every human on Earth.
13
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
The earth is approx. 6,588,000,000,000,000,000 tons.
175