Feature

  1. Our Weights Change

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  2. Man to Pierce Earth’s Crust

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  3. Record Heartbeats for Long Periods

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  4. Books of the Week

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  5. Urge Cycling for Health

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  6. Saturn Visible after Sunset

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  7. Army’s Ducted-Fan Plane Could Be Airport Taxi

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  8. Nature Ramblings: The Age of Rodents

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  9. Jalopies and School Are Poor Mixers

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  10. General Relativity Tested

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  11. Moon Car Jumps Chasms

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  12. Explorer VII Measures Earth’s, Sun’s Radiation

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