News

  1. Health & Medicine

    Breast cancer options made clearer

    An inexpensive test for two proteins in the blood can indicate whether women with breast cancer that hasn't yet spread to lymph nodes are likely to face such a relapse after surgery.

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  2. Earth

    Impurities clock crystal growth rates

    A novel method for measuring tiny amounts of hydrogen-containing impurities allows researchers to determine growth rates along different directions in a quartz crystal.

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  3. Dementia may travel lonely road in elderly

    Social isolation may promote the development of Alzheimer's disease and other brain ailments among elderly people.

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  4. Nerve connections come ready to assemble

    Nerve cells seem to package key components of synapses—the specialized complexes than connect the nerve cells—and collectively ship the material to points where these complexes take shape.