The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
If the chemical sodium is dropped into water it will immediately and violently explode.
67
A cubic yard of air weighs about 2 pounds at sea level.
31
Iron weighs more after it rusts.
16
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 have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
The bark of an older redwood tree is fireproof.
65