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Nature 451, 244 (17 January 2008) | doi:10.1038/451244d; Published online 16 January 2008

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Restricted access to fossils hinders claim confirmation

Christopher P. Heesy1

  1. Department of Anatomy, Midwestern University, 19555 North 59th Avenue, Glendale, Arizona 85308, USA

Your Editorial 'Replicator review' (Nature 450, 457–458; doi:10.1038/450457b 2007), detailing the logic needed to evaluate reports of major research breakthroughs, such as the recent paper on the transfer of nuclear material in a primate, is commendable.

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