Thursday, January 6, 2011

Jaws of Life: High-Power Scans Reveal Teeth, Food of Ammonites - Scientific American http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNFuK4EpyrqZ3UQtam8lRsW2RyEHjw&url=http://www.scientificamerican.com/article.cfm?id%3Dammonite-plankton-extinction
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