News

  1. Not So Wimpy: Antimalarial mosquito has an edge in tests

    For the first time, mosquitoes engineered to resist malaria have shed their underbug image and outperformed regular mosquitoes in a lab test.

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  2. Planetary Science

    Solar-staring spacecraft shows its flare

    A new image of the sun's chromosphere, a layer sandwiched between the sun's visible surface and its outer atmosphere, shows a surprisingly complex structure of filaments of roiling gas that promises to shed new light on why the sun erupts.

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  3. Health & Medicine

    Balancing Act: Excess steroids during pregnancy may pose risks for offspring

    Heavy amounts of steroids taken during pregnancy can have long-term deleterious effects on offspring, a study of monkeys shows.

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  4. Health & Medicine

    Risky Flames: Firefighter coronaries spike during blazes

    A disproportionate number of heart disease deaths among firefighters occur during blazes.

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  5. Physics

    Closer to Vanishing: Bending light as a step toward invisibility cloaks

    Invisibility cloaks may be a long shot, but new optical tricks could help in the design of future computers.

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  6. Chemistry

    Waistline Worry: Common chemicals might boost obesity

    A family of chemicals implicated in testosterone declines may also be contributing to recent spikes in obesity and diabetes.

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  7. Earth

    Young and Restless: Ancient Earth shows moving crust

    The oldest rocks in the world show that Earth's shifting crust began its tectonic movements almost 4 billion years ago.

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  8. Gene predicts sleepy performance

    Variants in a circadian-rhythm gene predict how well people perform mental tasks when sleep deprived.

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  9. Earth

    World’s climate map gets an update

    A century-old system of categorizing the world's climates has been updated to include modern weather data, thereby providing researchers with a tool to better verify results of their computer simulations.

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  10. Health & Medicine

    Hepatitis B found in wrestlers’ sweat

    Traces of hepatitis B have turned up in the perspiration of wrestlers, suggesting that the virus could spread to their opponents and teammates.

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  11. Paleontology

    Catching evolution in the act

    Paleontologists have unearthed fossils that provide direct evidence of something scientists had long suspected: The tiny bones in the middle ears of modern-day mammals evolved from bones located at the rear of their reptilian ancestors' jaws.

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  12. Health & Medicine

    Preemies respond to immunizations

    Babies born prematurely rev up an immune response to two routine childhood vaccines as well as babies who are born full-term.

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