Search Results for: Fish

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8,314 results

8,314 results for: Fish

  1. October 11, 1924

  2. November 15, 1924

  3. December 13, 1924

  4. December 27, 1924

  5. January 24, 1925

  6. February 7, 1925

  7. February 14, 1925

  8. February 28, 1925

  9. March 14, 1925

  10. Earth

    Methylmercury’s toxic toll

    More than 60,000 children are born each year with neurodevelopmental impairments due to their prenatal exposure to methylmercury.

    By Janet Raloff
  11. Earth

    Estrogen effects linger in male fish

    Male fish can inappropriately make egg yolk protein, even when only intermittently exposed to water tainted with an estrogenic pollutant.

    By Janet Raloff

  12. Promiscuity in guppies has its virtues

    Mating with multiple partners benefits the female Trinidadian guppy and her offspring by reducing gestation time and producing youngsters more adept at forming protective schools and at evading capture.

    By Ruth Bennett