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The mystery of motion sickness
Posted 10 years ago by krankster in category: interesting   Comments (0)

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27
7
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Nuclear Energy Explained: How does it work?
Posted 9 years ago by boyt in category: interesting   Comments (0)

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How Do Airplanes Fly?
Posted 9 years ago by boyt in category: interesting   Comments (0)

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100,000,000 Years From Now
Posted 8 years ago by boyt in category: interesting   Comments (1)

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Is radiation dangerous?
Posted 8 years ago by faris in category: interesting   Comments (3)