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  1. Physics

    Here’s how scientists reached nuclear fusion ‘ignition’ for the first time

    The first fusion experiment to produce an energy excess required meticulous planning and also revealed a long-predicted heating phenomenon.

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  2. Neuroscience

    Ancient viruses helped speedy nerves evolve

    A retrovirus embedded in the DNA of some vertebrates helps turn on production of a protein needed to insulate nerve cells, aiding speedy thoughts.

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  3. Planetary Science

    NASA’s OSIRIS-REx nabbed over 120 grams of space rocks from asteroid Bennu

    After being stymied by two stuck screws, NASA finally accessed a trove of Bennu asteroid bits. Mission scientist Harold Connolly tells what’s next.

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  4. Agriculture

    Mixing up root microbes can boost tea’s flavor

    Inoculating tea plant roots with nitrogen-metabolizing bacteria enhances synthesis of theanine, an amino acid that gives tea its savoriness.

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  5. Health & Medicine

    Newfound immune cells are responsible for long-lasting allergies

    A specialized type of immune cell appears primed to make the type of antibodies that lead to allergies, two research groups report.

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  6. Archaeology

    These South American cave paintings reveal a surprisingly old tradition

    Radiocarbon dates point to an artistic design practice that began in Patagonia almost 8,200 years ago, several millennia earlier than previously recorded.

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  7. Agriculture

    Could a rice-meat hybrid be what’s for dinner?

    A hybrid food that combines rice, animal cells and fish gelatin could one day be a more sustainable way to produce meat.

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  8. Health & Medicine

    U.S. opioid deaths are out of control. Can safe injection sites help?

    A new NIH study will evalute the only two officially sanctioned sites, in New York City, and a future site in Providence, R.I.

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  9. Animals

    Does this drone image show a newborn white shark? Experts aren’t sure

    If a claim of the first-ever sighting of a newborn white shark holds, it could help solve a mystery of where adult white sharks give birth.

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  10. Anthropology

    50 years ago, evidence showed that an extinct human ancestor walked upright

    Fossil finds have since pushed back the ability of hominids to walk on two legs by millions of years.

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  11. Archaeology

    This Stone Age wall may have led Eurasian reindeer to their doom

    Hunter-gatherers living 10,000 years ago in what is now Germany probably used the wall to trap reindeer in a nearby lake.

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  12. Animals

    Migratory fish species are in drastic decline, a new UN report details

    The most comprehensive tally of how migrating animals are faring looks at more than 1,000 land and aquatic species and aims to find ways to protect them.

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