One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
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 'jiffy' is an actual unit of time for 1/100th of a second!
66
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
A ball of glass will bounce higher than a ball made of rubber.
73
The earth is approx. 6,588,000,000,000,000,000 tons.
175