News

  1. Paleontology

    A toothy smile

    Nigersaurus boasted more than 500 teeth, arranged in rows across its mouth.

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  2. Tadpole Slayer: Mystery epidemic imperils frogs

    An emerging protozoal disease has begun to trigger mass die-offs of frog tadpoles throughout much of the United States.

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  3. Health & Medicine

    9/11 reflux

    Up to 20 percent of 9/11 workers in New York City experience symptoms of gastroesophageal reflux disease, also called acid reflux.

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  4. Tech

    Crystal clear

    Growing nanowires directly on a crystal might lead to high-density memory chips and transparent LEDs

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  5. Math

    Net advantage

    When damaged, networks that seem resilient can still become inefficient to the point of being unusable.