Indoor pollution is 10 times more toxic than outdoor pollution.
62
Sound travels about 4 times faster in water than in air.
408
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7