The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
The sun is 330,330 times larger than the earth.
75
Nearly 50% of the world's scientists are assigned to military projects.
71
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Sound at the right vibration can bore holes through a solid object.
134
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17