The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
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Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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One third of the electricity produced on earth is used to power electric light bulbs!
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Hot water can freeze faster than cold water.
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Scientists are now able to grow 'beating' heart tissue in a lab!
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A cubic yard of air weighs about 2 pounds at sea level.
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The smell of freshly cut grass is actually a plant distress call.
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Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
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