Humans

  1. Life

    Neandertal genes point to interbreeding, inbreeding

    DNA from 50,000 years ago underscores modest levels of mating across hominid populations.

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  2. Microbes

    A newfound respect for the microbial world

    Despite what many people think about humans’ place in the scheme of things, scientists are finding more evidence that we live in a world of microbes.

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  3. Life

    Nicotine may damage arteries

    Other chemicals in cigarettes may not be to blame.

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  4. Animals

    China trumps Near East for signs of most ancient farm cats

    Earliest evidence found for grain as a force in feline domestication.

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  5. Health & Medicine

    Dog dust may benefit infant immune systems

    Microbes from pet-owning houses protected mice against allergy, infection.

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  6. Archaeology

    Easter Island’s farmers cultivated social resilience, not collapse

    A Polynesian society often presumed to have self-destructed shows signs of having carried on instead.

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  7. Genetics

    You are what your dad ate, perhaps

    Your development is affected by what your mother ate while she was pregnant with you. Is it also affected by what your father ate? A new study suggests that folate deficiency in dads can affect their offspring through epigenetic changes.

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  8. Neuroscience

    Concussion-free head blows may still affect brain

    Some college athletes who played contact sports had more changes in their brain’s white matter than varsity competitors in less violent games.

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  9. Health & Medicine

    For babies, walking opens a whole new world

    Walking and talking are linked as babies develop, anecdote and data show.

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  10. Health & Medicine

    Staph bacteria linger deep in our noses

    The nasal cavity has hidden crevices where the disease-causing bacteria like to hang out.

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  11. Life

    Dietary changes affect gut microbes within a day

    Menu restricted to meat, egg and cheese alters bacterial mix more than eating only plants.

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  12. Materials Science

    Nanoglue attaches tissues to each other

    Silica particles could repair and help engineer human organs.

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