A cesium atom in an atomic clock beats over nine billion times a second.
43
Diamonds can be shattered with a hammer.
-104
Nylon is made from coal and petroleum.
42
For every gallon of sea water, you get more than a quarter pound of salt.
45
Iron weighs more after it rusts.
68
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79