Article
Comment on "DNA from pre-Clovis human coprolites in Oregon, North America".
Science (New York, N.Y.) - 10 Jul 2009
Poinar Hendrik, Fiedel Stuart, King Christine E, Devault Alison M, Bos Kirsti, Kuch Melanie, Debruyne Regis
Abstract excerpt
Gilbert et al. (Reports, 9 May 2008, p. 786) analyzed DNA from radiocarbon-dated paleofecal remains from Paisley Cave, Oregon, which ostensibly demonstrate a human presence in North America predating the well-established Clovis complex. We question the authenticity of their DNA results and argue that in the absence of intact stratigraphy and diagnostic artifacts, and in view of carbon isotope anomalies, the...
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