Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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Indoor pollution is 10 times more toxic than outdoor pollution.
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During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
One third of the electricity produced on earth is used to power electric light bulbs!
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Nylon is made from coal and petroleum.
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