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  1. 19157

    This report reminded me of similar studies demonstrating longer life in people who own pets. Has anyone compared these studies and looked for causes of the increased life span in common in these two populations? Such things as increased opportunities of emotional expression, getting out of the house on a regular basis, or adapting to […]

    By Science News
  2. Earth

    Rural living may hobble sperm

    An epidemiological study provides evidence that sperm concentrations in men residing in rural areas are significantly lower than those of men living in urban centers.

    By Janet Raloff
  3. Earth

    Arsenic Agriculture? Irrigation may worsen Bangladesh’s woes

    Researchers investigating an unfolding massive epidemic of arsenic poisoning in Bangladesh say they have evidence that local irrigation practices may be contributing to the problem.