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  1. Health & Medicine

    Rotten Remedy

    The gas well-known for its smell of rotten eggs is, recent studies show, a ubiquitous concoction in the body. New studies suggest that the hydrogen sulfide occurring naturally inside us can be both friend and enemy to our health.

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  2. Humans

    Letters from the March 8, 2008, issue of Science News

    No cure yet “Growing Up to Prozac: Drug makes new neurons mature faster” (SN: 2/9/08, p. 83) suggests that growth of new brain cells, along with increasing connections, may mediate some of the effect of some SSRIs. Since these new cells would likely persist significantly longer than the drugs themselves, do we see a “cure” […]

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  3. Astronomy

    Urgently Wanted—Star Counters

    Through March 8, an organization known as GLOBE at Night is asking for help tallying celestial bodies in the constellation Orion.