Humans

  1. Health & Medicine

    Window of opportunity for stroke treatment widens

    Use of clot-busting drugs as long as 4½ hours after an event pays dividends later.

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  2. Health & Medicine

    Cancer data: Burying bad news

    Featured blog: Data from the vast majority of human cancer trials never get published, a new study finds — and that's not a good thing.

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  3. Health & Medicine

    Closing in on Rett syndrome

    Scientists find that a particular part of the mouse brain is responsible for behavioral abnormalities associated with Rett syndrome, an autism spectrum disease that strikes females.

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  4. Health & Medicine

    Diabetes drug helps shed pounds

    The diabetes drug pramlintide facilitates year-long weight loss in obese volunteers, a new study shows.

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  5. Health & Medicine

    This is the brain on age

    The activity of genes in men's brains begins to change sooner than it does in women's brains, a new study shows.

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  6. Humans

    Stone Age seafood fans

    Excavations in two Gibraltar caves suggest that Neandertals, like modern humans, regularly visited the Mediterranean shore to complement a land-based diet with seafood

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  7. Health & Medicine

    Lo-Cal bones hold up

    One study of many recent investigations of how calorie restriction affects people shows that bone density does not necessarily suffer when a person loses weight quickly.

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  8. Climate

    (Political) party animals

    Featured blog: When it comes to attitudes about climate change, the chasm between Democrats and Republicans is wide. Political-polling analysts speculate that a McCain win in November might do more than an Obama victory to win over the minds of climate-change skeptics.

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  9. Physics

    Apollo or Manhattan Project: Which Paradigm Fits Energy Better?

    A new petition developed to lobby the presidential candidates argues that increased federal investments in basic energy research are essential.

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  10. Chemistry

    A better fate for plastic bottles

    Using microbes to convert PET into a high-value plastic could encourage more recycling.

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  11. Health & Medicine

    The Candidates’ Shadow Health Advisers

    Here are a few names from the teams of advisers counseling the presidential candidates.

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  12. Climate

    Energy: Apollo-like Program Needed

    Big action and big bucks are needed to deal with the United States' energy problems, research leaders argued today.

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