Earth

  1. Environment

    PCB levels still high in Europe’s killer whales, smaller dolphins

    PCBs banned for decades still show up at extremely high concentrations in Europe’s killer whales and other dolphins.

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  2. Earth

    Succession of satellites keep eye on Earth

    50 years after plans were laid for the first Earth-observing spacecraft, the youngest Landsat satellites are still flying and imaging the planet’s surface.

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  3. Animals

    The moon drives the migration of Arctic zooplankton

    In the darkness of the Arctic winter, the moon replaces the sun as the driver of zooplankton migration, a new study finds.

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  4. Cosmology

    ‘Origins’ offers science-based account of creation

    In Origins, a science writer compiles an ambitious yet concise history of the universe and life on Earth.

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  5. Earth

    Ground shakes expose faraway earthquake hot spots

    A major earthquake in Costa Rica revealed faraway areas where fluids have weakened rock and boosted the risk of a major earthquake, new research suggests.

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  6. Oceans

    Phytoplankton flunk photosynthesis efficiency test

    Nutrient-poor ocean waters make phytoplankton photosynthesis inefficient

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  7. Earth

    Five things science can (and can’t) tell us about North Korea’s nuclear test

    North Korea’s claim about its recent nuclear bomb test isn’t entirely backed up by scientific evidence.

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  8. Science & Society

    Climate, new physics and Jupiter on the horizon for 2016

    The first issue of the new year features stories about what will, editor in chief Eva Emerson predicts, hold on as scientific newsmakers during 2016.

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  9. Climate

    Arctic passageways let species mingle

    People aren’t the only animals likely to use passages that open up as the Arctic melts.

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  10. Physics

    The science of avalanches

    High-tech instruments are helping researchers study how temperature can change the character — and danger — of an avalanche

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  11. Physics

    Halo of light crowns Antarctica

    Ice crystals in the air bend sunlight into a ring over a research base in eastern Antarctica.

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  12. Paleontology

    Bubbles may have sheltered Earth’s early life

    Bubbles formed on ancient shorelines offer scientists a new place to look for traces of early life.

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