4.5 pounds of sunlight strike the Earth each day.
27
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Pumice is the only rock that floats on water.
14
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Indoor pollution is 10 times more toxic than outdoor pollution.
62
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
According to studies, men change their minds two to three times more often than women.
72
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51