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Did the Mammoth Slayer Leave a Diamond Calling Card?

Science  02 Jan 2009:
Vol. 323, Issue 5910, pp. 26
DOI: 10.1126/science.323.5910.26

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Summary

In this issue of Science (p. 94), a group of nine researchers presents the latest evidence for a cosmic catastrophe just 12,900 years ago: transmission electron microscopy showing nanodiamonds from the geologic moment of the putative catastrophe.

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