In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Scientists aren't sure what color dinosaurs were.
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One cubic foot of gold weighs more than 1,200 pounds!
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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German chemists made a replica of a trophy the size of one molecule.
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Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
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