Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
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4.5 pounds of sunlight strike the Earth each day.
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
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Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11