Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
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Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
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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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One ragweed plant can release as many as one billion grains of pollen!
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Scientists are now able to grow 'beating' heart tissue in a lab!
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4.5 pounds of sunlight strike the Earth each day.
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The bark of an older redwood tree is fireproof.
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One cubic foot of gold weighs more than 1,200 pounds!
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