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  1. Climate

    Did Columbus contribute to a Little Ice Age?

    Scientist shows a surprising link between the explorer and a dip in temperatures.

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  2. Humans

    Mummies share their secrets

    Cutting-edge technology such as CT, or CAT, scans and endoscopes are allowing scientists to see not just what’s underneath the wrappings but also what’s inside a mummy’s body.

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  3. Brain

    The brain looks at the bright side of things

    Scientists find good news changes people’s predictions more than bad news.

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  4. Planets

    Ripples in one of Saturn’s rings

    Scientists study pattern created by 600-year-old comet crash.

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  5. Wordfind for Mummies share their secrets

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  6. Teacher’s Questions for Mummy Share their Secrets

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  7. Environment

    Ozone hits a new low

    Scientists discover a major thinning in the protective atmosphere over Arctic.

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  8. Science & Society

    Introducing the 2011 Nobel Prize winners

    Scientists in 2011 won for making unexpected discoveries about crystals, the human body and the universe.

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  9. Earth

    Big rocks’ balancing acts

    Scientists study how balanced boulders resist falling over — and what that may say about earthquakes.

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  10. Balancing Rocks Wordfind

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  11. Teacher’s Questions for Balancing Rocks Feature

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  12. Chemistry

    DEET confuses mosquitoes

    Scientists suspect the repellant messes with a mosquito’s sense of smell.

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