The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The average home creates more pollution than does the average car.
33
No matter how cold it gets, gasoline will not freeze.
107
The force of a suction cup is calculated using F=AP.
15
Each day, up to 150 species of life become extinct.
-23
4.5 pounds of sunlight strike the Earth each day.
27
Research indicates that plants grow healthier when they are stroked.
173