Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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Sound travels fifteen times faster through steel than through air.
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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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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Nylon is made from coal and petroleum.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
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