Earth

  1. Climate

    The first Americans could have taken a coastal route into the New World

    Alaskan glaciers retreated in time for ancient coastal entries of the first Americans.

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  2. Paleontology

    The Chicxulub asteroid impact might have set off 100,000 years of global warming

    About 66 million years ago, the Chicxulub asteroid impact set off 100,000 years of global warming, an analysis of oxygen in fish fossils suggests.

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  3. Climate

    As CO2 increases, rice loses B vitamins and other nutrients

    Field experiments add vitamins to list of nutrients at risk from a changing atmosphere.

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  4. Earth

    Keeping global warming to 1.5 degrees C helps most species hold their ground

    Holding global warming to 1.5 degrees Celsius by 2100 could help protect tens of thousands of insect, plant and vertebrate species.

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  5. Agriculture

    Nanoparticles could help rescue malnourished crops

    Nanoparticles normally used to fight cancer could also be used to treat malnourished crops.

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  6. Earth

    No, Kilauea won’t cause mass destruction

    A steam explosion at Kilauea isn’t anything like the explosive eruptions of certain other volcanoes.

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  7. Animals

    These caterpillars march. They fluff. They scare London.

    Oak processionary moths have invaded England and threatened the pleasure of spring breezes.

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  8. Earth

    Satellite data backs theory of North Korean nuclear site collapse

    After North Korea’s most recent nuclear test, two underground cave-ins occurred, possibly rendering the facility unusable, a new study suggests.

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  9. Earth

    How long will Kilauea’s eruption last?

    A volcanologist with the U.S. Geological Survey answers burning questions about the ongoing Kilauea eruption.

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  10. Climate

    Globetrotting tourists are leaving a giant carbon footprint on the Earth

    Globetrotters are responsible for about 8 percent of the world’s greenhouse gas emissions.

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  11. Climate

    Bull sharks and bottlenose dolphins are moving north as the ocean warms

    Rising temperatures are making ocean waters farther north more hospitable for a variety of marine species.

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  12. Planetary Science

    Last year’s solar eclipse set off a wave in the upper atmosphere

    The August 2017 solar eclipse launched a wave in the upper atmosphere that was detected from Brazil after the eclipse ended.

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