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.
15
One 75-watt bulb gives more light than three 25-watt bulbs.
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The average temperature at 40,000 feet above sea level is -60 F.
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The smell of freshly cut grass is actually a plant distress call.
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Diamonds can be shattered with a hammer.
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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 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.
16
Iron weighs more after it rusts.
16