The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
4.5 pounds of sunlight strike the Earth each day.
27
Liquid TIDE laundry detergent glows under a blacklight.
96
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
The sun is 330,330 times larger than the earth.
75
A cubic yard of air weighs about 2 pounds at sea level.
31