Uncategorized

  1. Paleontology

    Catching evolution in the act

    Paleontologists have unearthed fossils that provide direct evidence of something scientists had long suspected: The tiny bones in the middle ears of modern-day mammals evolved from bones located at the rear of their reptilian ancestors' jaws.

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  2. Health & Medicine

    Preemies respond to immunizations

    Babies born prematurely rev up an immune response to two routine childhood vaccines as well as babies who are born full-term.

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  3. Novel DNA changes linked to autism

    Genetic alterations that occur in children without being inherited from the parents contribute to certain cases of autism and related developmental disorders.

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  4. Mental fallout among recent-war veterans

    Almost one in three veterans of military operations in Afghanistan and Iraq receiving medical care at Veterans Affairs facilities displays mental disorders or less-severe problems that still require mental-health treatment.