3 Mass Extictions not 5?
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- Author: FigBranchcom
Tags: anthropology archeology extictions history paleontology science
Dr. John Alroy of the National Center for Ecological Analysis and Synthesis provides new insights on the history and future of species extinctions. For more on this story visit http://www.figbranch.com Credit: Video: National Science Foundation and University of California, Santa Barbara...
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