Tuesday, November 4, 2003, 4:00pm Dana 114 CIRCS "Moving Through Fluids: Experimental Hydrodynamics of Locomotion in Fishes" Professor George V. Lauder Organismic and Evolutionary Biology at Harvard University Refreshments available 3:45pm Thursday, November 6, 2003, 4:00pm Dana 114 Physics Colloquium "Tightness of Knots in Polymers" Professor Mehran Kardar MIT Refreshments available 3:45pm