RESEARCH ARTICLE in SCIENCE:Synchronizing Rock Clocks of Earth HistoryK. F. Kuiper, A. Deino, F. J. Hilgen, W. Krijgsman, P. R. Renne, and J. R. Wijbrans (25 April 2008)Science 320 (5875), 500. [DOI: 10.1126/science.1154339]
Also see commentary by Richard Kerr:Science 25 April 2008:
Vol. 320. no. 5875, pp. 434 – 435
DOI: 10.1126/science.320.5875.434NEWS OF THE WEEKGEOCHEMISTRY:
Two Geologic Clocks Finally [...]