Earth

  1. Oceans

    Dusk heralds a feeding frenzy in the waters off Oahu

    Even dolphins benefit when layers of organisms in the water column overlap for a short period.

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  2. Environment

    Carbon dioxide levels hit landmark in Northern Hemisphere

    The Northern Hemisphere experienced the first full month with the greenhouse gas at or above the symbolic 400 parts per million level.

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  3. Climate

    Violent storms may shatter sea ice

    Tall waves’ effect on sea ice hints at troubled water in the future.

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  4. Climate

    Environmental change may spur growth of ‘rock snot’

    A controversial new theory suggests alga that forms rock snot isn’t an invader, but a low-key species native to many rivers.

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  5. Ecosystems

    Deep-sea trawling threatens oceans’ health

    Dragging large nets along the seafloor to catch fish cuts organic matter and biodiversity in half and may threaten all of the world's underwater ecosystems.

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  6. Climate

    Forest fires may speed demise of Greenland’s ice sheet

    Black carbon released by burning woodland darkens Greenland’s ice sheet, quickening its melt.

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  7. Health & Medicine

    Feedback

    Readers question pertussis vaccination scheduling, share stories about earthquakes and more.

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  8. Environment

    Fukushima contamination affects butterfly larvae

    Butterfly larvae fed leaves with radioactive cesium from the Fukushima nuclear disaster had a higher rate of death and development abnormalities than larvae that got leaves from a location farther from the accident.

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  9. Earth

    Tiny earthquakes may follow groundwater loss

    Draining California’s aquifers may stress San Andreas Fault, triggering earthquakes and forcing mountains to rise.

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  10. Oceans

    Deepwater Horizon methane lingered longer than thought

    Microbes may not have consumed methane from the 2010 Deepwater Horizon oil spill as fast as previously thought.

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  11. Climate

    Antarctic glacier melt is unstoppable

    The inevitable collapse of Antarctic’s western glaciers could raise global sea level by more than 4 meters in coming centuries.

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  12. Climate

    Tropics leave trace in Arctic warming

    Cooling temperatures in the Pacific may be responsible for the recent rapid warming of northeastern Canada and Greenland.

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