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  1. When diabetics dismiss their treatment

    Diabetics who retreat from close relationships in favor of self-reliance may have particular difficulty adhering to diabetes treatments if their physician communicates poorly with them.

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  2. Diesel gases masculinize fetal rodents

    In rats, exposure to diesel exhaust perturbs pregnant moms’ sex-hormone production and makes her pups more masculine in certain ways.

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  3. Tech

    Simple system may curb auto emissions

    Researchers have developed a four-component system that acts like an on-vehicle oil refinery and may help significantly reduce the hydrocarbon emissions from internal combustion engines.

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  4. Astronomy

    Peering at black holes: An eventful look

    Two new studies provide supporting evidence for event horizons, the one-way membranes that surround black holes.