Brass doorknobs automatically disinfect themselves in about 8 hours.
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Sound travels fifteen times faster through steel than through air.
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Sound at the right vibration can bore holes through a solid object.
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Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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The earth is approx. 6,588,000,000,000,000,000 tons.
175
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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