In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
German chemists made a replica of a trophy the size of one molecule.
68
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Diamonds can be shattered with a hammer.
-104
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Iron weighs more after it rusts.
16
The earth is approx. 6,588,000,000,000,000,000 tons.
175