Humans

  1. Health & Medicine

    One number can help explain why measles is so contagious

    The basic reproduction number, or "R naught," of measles shows how contagious the disease is compared with other pathogens.

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  2. Life

    How bacteria nearly killed by antibiotics can recover — and gain resistance

    A pump protein can keep bacteria alive long enough for the microbes to develop antibiotic resistance.

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  3. Health & Medicine

    Being bilingual is great. But it may not boost some brain functions

    A large study of U.S. bilingual children didn’t turn up obvious benefits in abilities to ignore distractions or switch quickly between tasks.

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  4. Health & Medicine

    Faulty cellular antennae may cause a heart valve disorder

    Mitral valve prolapse might be caused by dysfunctional primary cilia meant to signal cells during development.

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  5. Health & Medicine

    A cognitive neuroscientist warns that the U.S. justice system harms teen brains

    The U.S. justice system holds adolescents to adult standards, and puts young people in situations that harm their development, a researcher argues.

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  6. Science & Society

    How the battle against measles varies around the world

    Measles is a global health threat. Snapshots of several countries show how stopping its spread depends on local conditions and beliefs.

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  7. Health & Medicine

    Measles erases the immune system’s memory

    The measles virus can usher in other infections for months, or even years.

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  8. Health & Medicine

    Finding common ground can reduce parents’ hesitation about vaccines

    Physicians are examining whether discussing shared health goals can bring vaccine-hesitant parents on board.

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  9. Animals

    Bad moods could be contagious among ravens

    Ravens may pick up and share their compatriots’ negativity, a study on the social intelligence of these animals suggests.

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  10. Health & Medicine

    How allergens in pollen help plants do more than make you sneeze

    A plant’s view of what humans call allergens in pollen grains involves a lot of crucial biology. And sex.

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  11. Animals

    Vaccines may help bats fight white nose syndrome

    Researchers are developing an oral vaccine that helps little brown bats survive the fungal disease white nose syndrome.

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  12. Health & Medicine

    Does eating ultraprocessed food affect weight gain? It’s complicated

    Laying off ultraprocessed foods and switching to whole foods may help some people manage their weight, a small study finds.

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