HEE Seminar (March 21 through May 31) Thursday, April 6 3:30 PM Lensing in the Blue: Methods and Prospects for Weak Lensing from the Stratosphere Thursday, April 13 3:30 PM Andre Frankenthal: Probing low-mass physics with high-energy accelerators Thursday, April 20 3:30 PM Dark Portals at Light Masses