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  1. Smoke Screen: Light cigarettes reduce odds of quitting

    People who smoke light cigarettes are much less likely to quit smoking than people who smoke regulars.

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  2. Young and Deadly: Cancer shares gene activity with developing lungs

    Genes that are switched on or off in developing mouse lungs have similar activities in human-lung cancers.

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  3. Astronomy

    Repaired Vision: Hubble’s camera sees again

    The main camera on the Hubble Space Telescope is operating normally again after being blinded for 2 weeks by an electrical failure.

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  4. Earth

    The Long Burn: Warming drove recent upswing in wildfires

    Major forest fires in the western United States have become more frequent and destructive over the past two decades, in step with rising average temperatures in the region.