Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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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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At room temperature, the average air molecule travels at the speed of a rifle bullet.
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A 'jiffy' is an actual unit of time for 1/100th of a second!
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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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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
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For every gallon of sea water, you get more than a quarter pound of salt.
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Cold water weighs more than hot water.
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