Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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One 75-watt bulb gives more light than three 25-watt bulbs.
57
If the chemical sodium is dropped into water it will immediately and violently explode.
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The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
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Research indicates that plants grow healthier when they are stroked.
173
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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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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