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  1. Science & Society

    Why science still can’t pinpoint a mass shooter in the making

    Arguments flare over mass public shootings that remain scientifically mysterious.

    By Bruce Bower
  2. Ecosystems

    50 years ago, invasive species traveled the Suez Canal

    Hundreds of Red Sea species used the Suez Canal to migrate to the Mediterranean Sea, leading to the decline of some native species.

    By Kyle Plantz
  3. Environment

    How bees defend against some controversial insecticides

    Some bees have enzymes that allow them to resist toxic compounds in some neonicotinoid pesticides.

    By Dan Garisto
  4. Life

    Earwigs take origami to extremes to fold their wings

    Stretchy joints let earwig wings flip quickly between folded and unfurled.