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Sleep Expert Answers Questions From Twitter
Posted 2 years ago by qwerty123 in category: interesting   Comments (2)

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This Is How Airplane Engines Are Tested
Posted 1 year ago by Psule in category: interesting   Comments (0)

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Funchal Airport, on the island of Madeira
Posted 1 year ago by sifter in category: interesting   Comments (0)

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A Ball Thrown Back 100 km/h from a car moving 100 km/h in the opposite direction
Posted 17 years ago by boyt in category: interesting   Comments (1)

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Chimps outperform humans on memory test
Posted 16 years ago by boyt in category: interesting   Comments (0)