The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The average home creates more pollution than does the average car.
33
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
A cesium atom in an atomic clock beats over nine billion times a second.
43
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34