Humans

  1. measles vaccine
    Health & Medicine

    New details on immune system ‘amnesia’ show how measles causes long-term damage

    Measles wipes the memories of immune cells in the body.

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  2. San hunter gatherers
    Humans

    Humans’ maternal ancestors may have arisen 200,000 years ago in southern Africa

    New DNA findings on humankind’s maternal roots don’t offer a complete picture of how and when Homo sapiens emerged.

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  3. hand stencils
    Humans

    Dating questions challenge whether Neandertals drew Spanish cave art

    A method used to date cave paintings in Spain may have overestimated the art’s age by thousands of years, putting its creation after Neandertal times.

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  4. Easter Island statues
    Humans

    Quarrying stone for Easter Island statues made soil more fertile for farming

    Easter Island’s Polynesian society grew crops in soil made especially fertile by the quarrying of rock for large, humanlike statues, a study suggests.

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  5. doctor and patient
    Science & Society

    Bias in a common health care algorithm disproportionately hurts black patients

    A machine-learning program that uses past medical costs to identify patients for extra care favors white patients over black patients, a study finds.

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  6. organoid
    Neuroscience

    Lab-grown organoids are more stressed-out than actual brain cells

    Compared with real brain tissue, organoids show big differences.

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  7. tadpole
    Health & Medicine

    Algae inside blood vessels could act as oxygen factories

    Two types of light-responsive algae make oxygen inside tadpoles’ blood vessels.

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  8. Prozac pills
    Health & Medicine

    Prozac proves no better than a placebo in treating kids with autism

    In a small clinical trial, drugs called selective serotonin reuptake inhibitors didn’t ease obsessive-compulsive symptoms in children with autism.

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  9. amyloid-beta protein
    Neuroscience

    Alzheimer’s may scramble metabolism’s connection to sleep

    Mice designed to have brain changes that mimic Alzheimer’s disease have altered reactions to blood sugar changes.

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  10. woman holding dog
    Animals

    New books explore why dogs and humans have such a special bond

    ‘Dog Is Love’ and ‘Our Dogs, Ourselves’ delve into the complicated, sometimes contradictory relationship that we have with our canine companions.

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  11. Health & Medicine

    These tiny aquatic animals secrete a compound that may help fight snail fever

    A newly identified molecule from rotifers paralyzes the larvae of worms that cause schistosomiasis, which affects over 200 million people worldwide.

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  12. Cerebral organoids made of human cells (left) or chimpanzee cells (right)
    Neuroscience

    Organoids offer clues to how brains are made in humans and chimpanzees

    Three-dimensional clumps of brain cells offer clues about how brains get made in humans and chimpanzees.

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