4.5 pounds of sunlight strike the Earth each day.
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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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Iron weighs more after it rusts.
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One cubic foot of gold weighs more than 1,200 pounds!
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Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
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MIT has developed a camera that captures the speed of light at a trillion frames per second.
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Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
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