HET Seminar (March 31 through May 31) Friday, April 4 11:00 AM Light Axion Dark Matter: Old Challenges and New Ideas Friday, April 18 11:00 AM J. Muñoz: Cosmological puzzles from JWST Friday, April 25 11:00 AM B. Cyr: CMB Spectral Distortions: A Multi-messenger Probe of the Primordial Universe