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  1. 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
  2. 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
  3. Computing

    New theory defines faster MRI

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

    By Patrick Barry
  4. Health & Medicine

    Many drug trials never see publication

    Results of most drug trials are unreported, inaccessible to clinicians and patients, a new study confirms.