Iron weighs more after it rusts.
68
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Each day, up to 150 species of life become extinct.
-23
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
Sound travels fifteen times faster through steel than through air.
134
The average temperature at 40,000 feet above sea level is -60 F.
56