The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
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A single speck of dust is half way in size between a subatomic particle and the Earth.
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Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
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A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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On average, men's noses are 10% larger than women's.
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