News

  1. Life

    For worms, one gene can change survival behavior

    Natural differences in a single gene cause worms to either eat or avoid harmful bacteria.

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  2. Life

    Capuchin monkeys choose the right tool for the nut

    New field experiments indicate that wild capuchin monkeys choose the most effective stones for cracking nuts, suggesting deep evolutionary roots for the use of stone tools.

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  3. Health & Medicine

    Using checklist reduces surgery complications

    Measure twice, cut once: Going over a checklist of procedures in the operating room before and after surgery lowers the complication rate and, in developing countries, saves lives, a study in eight hospitals shows.