The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The average home creates more pollution than does the average car.
33
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
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 bark of an older redwood tree is fireproof.
65
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
