News

  1. Plants

    It Takes a Village: Tweaking neighbors reroutes evolution

    The other residents of a plant's neighborhood can make a big difference in whether evolutionary forces favor or punish a plant's trait.

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  2. Hold the Embryos: Genes turn skin into stem cells

    Scientists have found a way to convert a person's skin cells directly into stem cells without creating and destroying embryos.

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  3. Paleontology

    A toothy smile

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

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  4. 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.