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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A fall of 30 feet can be survived by most cats.
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Shirley Henderson, the girl who played Moaning Myrtle (the ghost in the bathroom) was actually 37 years old when she played the character in the Harry Potter series.
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Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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Chunosuke Matsuyama, a Japanese Seaman, sent a message in a bottle in 1784 that his ship had wrecked. It washed up in 1935 in the village where he was born.
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