Sound travels fifteen times faster through steel than through air.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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The sun is 330,330 times larger than the earth.
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A ball of glass will bounce higher than a ball made of rubber.
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Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
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One gallon of used motor oil can ruin approximately one million gallons of fresh 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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In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
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