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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The earth is approx. 6,588,000,000,000,000,000 tons.
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Neanderthal man had a brain capacity 100cc larger than modern man's.
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Balsa wood is classified as a hard wood!
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Iron weighs more after it rusts.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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The smell of freshly cut grass is actually a plant distress call.
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