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  1. Widows show third-year rebound

    Women whose husbands die largely overcome their grief-related problems, including depression and social isolation, by about 3 years after their loss, according to a national study.

    By Bruce Bower

  2. The Body Electric

    An electric field inside an embryo may tell it whether to place an internal organ on its left or right side.

    By John Travis

  3. 18897

    It’s very appealing to think that a noninvasive test could pick up the earliest signs of cancers or cardiovascular disease. Despite passionate testimonials of how whole-body CT scanning “saved my life,” we don’t know what the tumors found really would have done. We don’t know that these patients’ lives were improved, much less saved.