Uncategorized

  1. Climate

    Warming alters mountain plant’s sex ratios

    Global warming has different effects on male and female plants. Tracking sex ratio shifts could be a fast signal of climate change, researchers say.

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  2. Climate

    Despite volcanic setback, Antarctic ozone hole healing

    The September extent of the Antarctic ozone hole has shrunk by about 4.5 million square kilometers since 2000, thanks in large part to the Montreal Protocol.

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  3. Animals

    Frigate birds fly nonstop for months

    The great frigate bird can fly for up to two months without landing, thanks to a boost from wind and clouds.

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  4. Climate

    World will struggle to keep warming to 2 degrees by 2100

    Current plans to curb climate change aren’t ambitious enough to limit global warming below 2 degrees Celsius by 2100, new research shows.

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  5. Science & Society

    Readers debate gun violence research and more

    Gun violence research, plaque-busting sugar and more in reader feedback.

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  6. Science & Society

    Problem-solving insights enable new technologies

    Our editor in chief discusses science's role in solving society's most pressing issues.

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  7. Physics

    Sounds from gunshots may help solve crimes

    Sound wave analysis may help forensic scientists figure out what types of guns were fired at a crime scene.

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  8. Physics

    Falling through the Earth would be a drag

    Scientists study how friction affects a hypothetical jump through the center of the Earth.

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  9. Health & Medicine

    Vaccines could counter addictive opioids

    Scientists turn to vaccines to curb the growing opioid epidemic.

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  10. Paleontology

    Parasites wormed way into dino’s gut

    Tiny slimed tunnels in the guts of a 77-million-year-old duck-billed dinosaur fossil offer the first hard evidence that dinosaurs may have been infected by parasitic worms, paleontologists say.

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  11. Science & Society

    Special Report: Aging’s Future

    What is aging? How does it change the brain? How did different life histories evolve? This special report addresses those questions and more.

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  12. Earth

    Winning helium hunt lifts hopes element not running out

    A volcanic region of Tanzania contains more than a trillion liters of helium gas, enough to fill 1.2 million medical MRI scanners — or hundreds of billions of balloons, researchers report.

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