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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Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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Pure water (H2O) does not conduct electricity on its own.
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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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The average home creates more pollution than does the average car.
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If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
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