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  3. Chernobyl - What It's Like Today

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  5. Egg Experiment to Demonstrate Inerti

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  6. 4 Revolutionary Riddles Resolved!

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  7. Snatoms! The Magnetic Molecular Modeling Kit

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  8. 3 Sources of Water on the Moon

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  9. The Best and Worst Prediction in Science

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  10. Can You Recover Sound From Images?

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  11. Spinning Tube Trick Answer

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  12. How UV Causes Cancer and Aging

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  13. The kg is dead, long live the kg

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