The average temperature at 40,000 feet above sea level is -60 F.
56
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Hot water can freeze faster than cold water.
181
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Scientists in Germany have developed a candy that doesn't cause cavities.
11