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  1. Earth

    Antidepressants make for sad fish

    Fish may suffer substantially from even brief encounters with antidepressants, which wastewater releases into river water.

    By Janet Raloff
  2. Health & Medicine

    Lifestyle may link depression and heart disease

    The association between depression and heart problems could stem from a lack of physical activity and other lifestyle factors.

    By Nathan Seppa
  3. Humans

    Baby boys may show spatial supremacy

    Two new studies suggest that, at 3 to 5 months of age, boys already outperform girls on mental rotation tasks.

    By Bruce Bower
  4. Computing

    New theory defines faster MRI

    Better equations could improve MRI quality, or even bring quantum computing closer.