Aluminum used to be more valuable than gold!
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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The hair of an adult man or woman can stretch 25 percent of its length without breaking.
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During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
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The average home creates more pollution than does the average car.
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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.
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