A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
4.5 pounds of sunlight strike the Earth each day.
27
Hot water can freeze faster than cold water.
181
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18