The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Nylon is made from coal and petroleum.
42
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Scientists in Germany have developed a candy that doesn't cause cavities.
11
The average home creates more pollution than does the average car.
33