The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
In zero gravity, a candle's flame is round and blue.
16
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
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
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7