The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
A cesium atom in an atomic clock beats over nine billion times a second.
43
Nylon is made from coal and petroleum.
42
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
One barrel of petroleum holds 42 gallons.
20
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9