Diamonds can be shattered with a hammer.
-104
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Research indicates that plants grow healthier when they are stroked.
173
4.5 pounds of sunlight strike the Earth each day.
27
The average temperature at 40,000 feet above sea level is -60 F.
56
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
For every gallon of sea water, you get more than a quarter pound of salt.
45
Nearly 50% of the world's scientists are assigned to military projects.
71