S. Blair Hedges
Pennsylvania State Univ, University Park, PA
Activity
2003
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GENOMIC CLOCKS AND THE NEOPROTEROZOIC ORIGIN OF ANIMALS
205 Neoproterozoic Geobiology: Fossils, Clocks, Isotopes, and RocksWednesday, 5 November 20038:00 AM - 12:00 PM
2001
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MOLECULAR EVIDENCE FOR EARLY COLONIZATION OF LAND BY EUKARYOTES AND RELATION TO NEOPROTEROZOIC GLACIATIONS
48 The Snowball Earth Hypothesis: Theory and ObservationsThursday, 28 June 200110:00 AM - 4:30 PM
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A GENOMIC TIMESCALE FOR THE RISE IN OXYGEN AND ORIGIN OF EUKARYOTES
23 Archean Earth and Contemporary Life: The Transition from an Anaerobic to an Aerobic Marine Ecosystem (Sponsored by NASA Astrobiology Institute)Tuesday, 26 June 200110:00 AM - 4:30 PM