Humans

  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. Psychology

    Why fandom feels good — and may be good for you

    Psychologists and media scholars are looking into the who, why and how of becoming a fan.

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  3. 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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  4. 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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  5. Science & Society

    What’s the fun in fear? Science explores the appeal of scary movies

    On its face, the appeal of horror doesn’t make much sense. But scientists are starting to uncover who’s most likely to enjoy scary films and why.

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  6. 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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  7. 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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  8. Humans

    What does charred ancient poop reveal about early animal-raising?

    Evidence from the dung may push the onset of animal raising back 2,000 years earlier than previously thought.

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  9. 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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  10. 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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  11. Archaeology

    Rats can chronicle human history

    Rats have lived alongside people for thousands of years. Now, scientists can study the rats and their leavings to learn more about ourselves.

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  12. 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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