Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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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.
6
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
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The Caspian Sea is also classed as the world's largest lake.
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Studies show that financially stable men prefer smaller breasts.
16
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
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