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  1. 19931

    This article shows the formula for sodium hydrosulfide as NaH2S. Would it not be more accurate to present it as NaHS? G. David GrubbsCorinth, Texas The reader is correct.

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  2. 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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  3. 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.