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Tuesday, September 11, 2007 David Archer - University of Chicago "Global Warming in the Deep Future"
Tuesday, September 18, 2007 Jonathan Levine - Chicago Center for Cosmochemistry, University of Chicago "Nuclear Astrophysics on the Micron Scale: Resonance Ionization Mass Spectrometry on Presolar Grains and Interplanetary Dust Particles"
Tuesday, September 25, 2007 Scott Messenger - Johnson Space Center "Submicrometer Organic Grains: Widespread Constituents of the Early Solar System"
Tuesday, October 2, 2007 Sylvie Demouchy - Lunar and Planetary Institute and University of Minnesota "Diffusivity of Water in the Deep Earth: Reports from the Lab, Rumors from Patagonia..."
Tuesday, October 9, 2007 Gavin Schmidt - NASA: Goddard Institute for Space Studies "Climate Forcings, Climate Models and Climate Change"
Tuesday, October 16, 2007 Peter Heaney - Penn State Institutes of Energy and the Environment "Imaging Mineral Reactions at the Atomic Scale Using Time-Resolved X-ray Diffraction"
Tuesday, October 23, 2007 Joop Varekamp - Wesleyan University "Arc and Back-Arc Volcanism at Copahue Volcano, Argentina"
Tuesday, October 30, 2007 Greg Hirth - Woods Hole Oceanographic Institute "Rheology of the Lower Crust: Comparing Predictions from the Lab to Observations from the Earth"
Wednesday, November 7, 2007 Katharina Panhke - Lamont-Doherty Earth Observatory "Changes in Eastern Tropical Pacific Precipitation During the Past 27,000 years Recorded by D/H Ratios in Alkenones"
Tuesday, November 13, 2007 Tom Sharp - Arizona State University "H2O and Metastable Olivine in the Transition Zone"
Tuesday, November 20, 2007 OPEN
Tuesday, November 27, 2007 Bruce Marsh - Johns Hopkins University "A Magmatic Mush Column in the McMurdo Dry Valleys, Antarctica"
Tuesday, December 4, 2007 Jason Smerdon - Lamont-Doherty Earth Observatory "Deconstructing Millennial Climate Reconstructions"
Tuesday, December 11, 2007 OPEN (AGU week)
Tuesday, December 18, 2007 Ben Weiss - Massachusetts Institute of Technology "Paleomagnetic and thermochronologic studies of Martian meteorites"