Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Diamonds can be shattered with a hammer.
-104
Liquid TIDE laundry detergent glows under a blacklight.
96
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
A ball of glass will bounce higher than a ball made of rubber.
73
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
A cubic yard of air weighs about 2 pounds at sea level.
31