Health & Medicine

  1. Tech

    A shape-shifting robotic tooth-cleaner might one day brush for you

    A swarm of billions of magnetic, bacteria-killing nanoparticles can be shaped into bristles to fit any surface, including between teeth.

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  2. Animals

    Some spikes in malaria cases may be tied to amphibian die-offs

    Amphibian deaths from a fungal disease may have led to more mosquitoes — and an increase in malaria cases in Costa Rica and Panama.

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  3. Health & Medicine

    How wriggling, blood-eating parasitic worms alter the body

    Parasitic worms eat blood and make people sick, but they may also help prevent or treat some diseases.

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  4. Health & Medicine

    Scientists Say: Liver

    This organ in the upper-right side of the belly does many essential jobs, such as cleaning blood and producing bile.

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  5. Health & Medicine

    How sunshine may make boys feel hungrier

    Males eat more on long summer days, but females do not. Hormones may explain this difference.

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  6. Genetics

    For some kids, their rock-star hair comes naturally

    A variant of a gene involved in hair-shaft formation was linked to most of the uncombable-hair-syndrome cases analyzed in a recent study.

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  7. Health & Medicine

    Examining Neandertal and Denisovan DNA wins a 2022 Nobel Prize

    Svante Pääbo figured out how to examine the genetic material from these hominid ‘cousins’ of modern humans.

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  8. Health & Medicine

    Dogs and other animals could aid the spread of monkeypox

    Now that monkeypox has spread to a dog, researchers fear other species could help the virus become widespread outside of Africa for the first time.

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  9. Health & Medicine

    Explainer: What is mpox (formerly monkeypox)?

    Once rare, the viral disease monkeypox exploded onto the global scene for the first time in 2022.

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  10. Chemistry

    Recipes for modern beauty products aren’t so modern after all

    An art historian has combined forces with chemists to uncover the science behind cosmetics used about 500 years ago.

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  11. Tech

    New stick-on ‘sonar’ device lets you watch your own heart beat

    This wearable patch might one day make personalized medicine affordable almost anywhere in the world.

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  12. Climate

    Heat waves appear more life-threatening than scientists once thought

    This is bad news as a warming planet leads to growing numbers of excessive heat waves — and millions more people facing potentially deadly temperatures.

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