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
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Most dust particles in your house come from dead skin.
48
Sound at the right vibration can bore holes through a solid object.
134
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310