News

  1. Health & Medicine

    Even ‘safe’ air pollution levels may affect heart health

    An imaging study found early signs of coronary artery disease in people in Canada breathing air that regulators consider clean.

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  2. Paleontology

    A new dino fossil may solve an ancient murder mystery

    A newly-described dinosaur, Jian changmaensis, may have glided through northwestern China about 120 million years ago, wreaking havoc on birds.

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  3. Health & Medicine

    The New World screwworm has returned to the U.S. Now what?

    At least a dozen animals have been found with the flesh-eating maggots. It could take more than a year to eradicate the parasite again, experts warn.