Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
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The earth is approx. 6,588,000,000,000,000,000 tons.
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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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Iron weighs more after it rusts.
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One 75-watt bulb gives more light than three 25-watt bulbs.
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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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A cesium atom in an atomic clock beats over nine billion times a second.
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