A Shaggy Dog History

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Science  22 Nov 2002:
Vol. 298, Issue 5598, pp. 1540-1542
DOI: 10.1126/science.298.5598.1540

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In this week's issue of Science, three research teams chase down some of the age-old issues surrounding the evolution of dogs. Using genetic studies, one offers new evidence about where dogs were first domesticated (p. 1610); another employs DNA comparisons to show that New World pooches aren't from the New World at all (p. 1613); and the third evaluates the ability of dogs to follow human cues (p. 1634). Some researchers think the results of these efforts clear up some key questions about dog evolution, but others are skeptical.