The average home creates more pollution than does the average car.
33
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Sound at the right vibration can bore holes through a solid object.
134
Most dust particles in your house come from dead skin.
48
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42