News

  1. Protein triggers nerve connections

    Nonnerve cells called astrocytes secrete a protein that enables nerve cells to connect.

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  2. Health & Medicine

    Drug cuts recurrence of breast cancer

    Letrozole, which blocks estrogen production, reduces recurrence of breast cancer in women who have exhausted the usefulness of tamoxifen, the frontline cancer drug for this disease.

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  3. Earth

    Fill ‘er up . . . with a few tons of wheat

    A new analysis suggests that the amount of ancient plant matter that was needed to make just 1 gallon of gasoline is the same amount that can be grown each year in a 40-acre wheat field—roots, stalks, and all.