Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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The average temperature at 40,000 feet above sea level is -60 F.
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All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
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One gallon of used motor oil can ruin approximately one million gallons of fresh water!
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Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
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Pumice is the only rock that floats on water.
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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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