The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
One barrel of petroleum holds 42 gallons.
20
Nylon is made from coal and petroleum.
42
Out of all the senses, smell is most closely linked to memory.
146
A cesium atom in an atomic clock beats over nine billion times a second.
43
German chemists made a replica of a trophy the size of one molecule.
68
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79