Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
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.
16
Research indicates that plants grow healthier when they are stroked.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Hot water can freeze faster than cold water.
181
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
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