Sound travels about 4 times faster in water than in air.
408
Indoor pollution is 10 times more toxic than outdoor pollution.
62
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
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116