It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
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The biggest burger in Britain, dubbed the 'Apocalypse Burger', is a mammoth 25,000 calories, weighs 11kg (25lb) and contains £150 (around $233 USD) worth of ingredients.
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In 1542, French aristocrat Marguerite De La Rocque survived being marooned for 2 years alone on a remote island off the coast of Quebec.
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In 1846, a 14 year old French peasant girl named Angelique Cottin was found to possess extraordinary electrical power. With a gentle touch she could knock over heavy pieces of furniture and even shock people near her.
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The oldest creature ever found was Ming the clam at an admirable 507 years old.
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