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  1. Health & Medicine

    Asthma Counterattack

    After several experimental attempts, researchers finally have verified that fighting allergens in the household can reduce symptoms of asthma.

    By Ben Harder
  2. Math

    Cruise Control and Traffic Flow

    Adaptive cruise control can help smooth out traffic flow.

    By Ivars Peterson
  3. Humans

    Letters from the November 20, 2004, issue of Science News

    When Earth got gas Considering the controversy that Thomas Gold engendered when he first postulated abiogenic origins of earthly hydrocarbons, it’s odd you didn’t mention his name, in “Deep Squeeze: Experiments point to methane in Earth’s mantle” (SN: 9/25/04, p. 198: Deep Squeeze: Experiments point to methane in Earth’s mantle). Edgar T.