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Protein triggers nerve connections
Nonnerve cells called astrocytes secrete a protein that enables nerve cells to connect.
By John Travis -
Health & MedicineDrug 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.
By Nathan Seppa -
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Your article states, “There are about 4.14 kilograms of carbon in a gallon of gasoline, says Dukes.” If he actually said that, this would seem to qualify this gasoline as an “alternative fuel,” since a gallon of ordinary gasoline is only about 2.5 kilograms in mass. Perhaps Dukes meant 4.14 pounds of carbon per gallon.