The average temperature at 40,000 feet above sea level is -60 F.
56
The force of a suction cup is calculated using F=AP.
15
Scientists in Germany have developed a candy that doesn't cause cavities.
11
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Sound at the right vibration can bore holes through a solid object.
134
German chemists made a replica of a trophy the size of one molecule.
68