Humans

  1. Climate

    Analyze This: Climate change could make food less healthy

    Levels of important nutrients are lower in crops exposed to high levels of carbon dioxide, a greenhouse gas. How high? Try levels expected to be typical 30 years from now.

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  2. Health & Medicine

    Woman’s eye hosts more than a dozen cattle eyeworms

    Oregon woman is the first human known to become infected with a cattle eyeworm known as Thelazia gulosa.

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  3. Health & Medicine

    Sleep helps wounds heal faster

    Getting enough sleep may be more important for helping wounds heal than getting good nutrition, a new study finds.

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  4. Health & Medicine

    E-cigarettes don’t need nicotine to be toxic

    E-cigarettes without nicotine can still be toxic. New studies find the flavorings in e-cigarettes can harm cells of the human immune system.

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  5. Tech

    Robots may soon actively crawl through your gut

    Doctors are working with engineers to develop robotic tools that can crawl through the body to deliver medicine or scout for signs of disease.

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  6. Brain

    Teeny tiny hairs on brain cells could have big jobs

    Brain cells have tiny antennae called cilia. But no one really seemed to know what they did. Now, scientists have shown they could play a role in obesity.

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  7. Brain

    Scientists Say: Receptor

    This molecule is a chemical messenger’s docking station. A receptor serves as a lock for cell activity.

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  8. Brain

    Cool Jobs: Decoding how your brain ‘reads’

    For some stroke victims and people with dyslexia, reading is nearly impossible. These researchers are working to understand why.

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  9. Health & Medicine

    How the body protects us from potentially toxic amounts of sugar

    A study in mice shows the small intestine shields the liver from the potentially damaging effects of exposure to fructose — but only up to a limit.

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  10. Health & Medicine

    Teens win big prizes for research on potato killer, vaping and a rare disease

    The Regeneron Science Talent Search awarded more than $2 million in prizes this year. This year’s top winners tackled plant disease, vaping and more.

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  11. Health & Medicine

    Scientists Say: Ectoparasite

    Many people think of parasites as organisms that live inside their hosts. But some of them can be found on the outside instead.

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  12. Fossils

    Ancient jaw suggests humans left Africa earlier than thought

    A fossil jaw found in a cave in Israel is at least 177,000 years old. The scientists who found it think it shows humans left Africa much earlier than thought.

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