Wednesday, February 6, 2008 2:00PM Massachusetts Institute of Technology Center for Theoretical Physics 6c-442 Cosman Seminar Room String/Gravity Theory Seminar ``Global aspects of T-duality" Ruben MInasian, CEA-France refreshments will be served Thursday, February 7, 2008 4 PM Harvard University Duality Seminar Jefferson 453 "Geometric Transitions and Supersymmetry Breaking" Mina Aganagic (Berkeley) Tea & cookies in the high energy theory coffee area, 4th floor Jefferson, at 3:30. Thursday, February 7, 2008 4:15 pm Massachusetts Institute of Technology Weekly Physics Colloquium Series Building 34, Room 101 "Warped Geometry: Consequences and LHC Signatures" Lisa Randall Harvard University Refreshments @ 3:45 pm in 4-349 (Pappalardo Community Room) http://web.mit.edu/physics/newsandevents/colloquia/spring2008.html Thursday, February 7, 2008, 4:00 pm Harvard-Smithsonian Center for Astrophysics CfA Colloquium Series Phillips Auditorium, 60 Garden Street, Cambridge "High-Energy Neutrino Astronomy: Towards a Kilometer-Scale Neutrino Observatory." Francis Halzen U. Wisconsin tea and cookies at 3:30 p.m.