The bark of an older redwood tree is fireproof.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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Scientists are working on a portable spray-on-skin that can heal severe wounds in just a few minutes.The spray mainly contains important proteins that can reprogram the injured cells to become stem cells, and back to young uniformed skin cells. So far they were able to accelerate healing process from 12 weeks to 21 days with a similar approach.
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A cesium atom in an atomic clock beats over nine billion times a second.
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Iron weighs more after it rusts.
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For every gallon of sea water, you get more than a quarter pound of salt.
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Nylon is made from coal and petroleum.
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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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