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John Timmer explains why, despite centuries of evidence, some people will still argue that the Earth is flat.
Posted 6 years ago by boyt in category: interesting   Comments (9)


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There are professionals.
Posted 5 years ago by urdone in category: interesting   Comments (0)


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Posted 5 years ago by Hannab in category: interesting   Comments (1)


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NASA Curiosity Project Scientist Ashwin Vasavada guides this tour of the rover's view of the Martian surface.
Posted 4 years ago by maximusprime in category: interesting   Comments (2)