Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
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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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Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
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One cubic foot of gold weighs more than 1,200 pounds!
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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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Hot water can freeze faster than cold water.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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