At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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
No matter how cold it gets, gasoline will not freeze.
107
Research indicates that plants grow healthier when they are stroked.
173
Iron weighs more after it rusts.
16
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57