News

  1. Health & Medicine

    Defending against a Deadly Foe: Vaccine forestalls fearsome virus

    A single injection of an experimental vaccine prevents infection by the lethal Marburg virus in monkeys.

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  2. Astronomy

    Big Breakup: That’s the way the comet crumbles

    Scores of telescopes are watching the continuing breakup of a comet as it nears the sun.

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  3. Boyish Brains: Plastic chemical alters behavior of female mice

    Exposure to the main ingredient of polycarbonate plastics can alter brain formation in female mouse fetuses and make the lab animals, later in life, display a typically male behavior pattern.

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  4. Animals

    No Early Birds: Migrators can’t catch advancing caterpillars

    Pied flycatcher numbers are dwindling in places where climate change has knocked the birds' migration out of sync with the food-supply peak on their breeding grounds.