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News stories tagged with "heredity"

Surface and cave species of <i>astyanax</i>
Surface and cave species of astyanax

Natural Selections: Evolution or Devolution

When creatures lose organs they once had, such as cave-dwelling fish that lose functional eyes, is this evolution or devolution? Dr. Curt Stager and Martha Foley look for what is gained when something's lost in nature's accounting.  Go to full article

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