Monday, April 20
5:00 pm - 6:00 pm	▶︎ CANCELED: Exploration: The Globe and Beyond Baxter Lecture Hall This seminar has been canceled. Alan Stern, Planetary Scientist, Southwest Research Institute,

Tuesday, April 21
4:00 pm - 5:00 pm	▶︎ CANCELED: Chemical Physics Seminar Noyes 147 (J. Holmes Sturdivant Lecture Hall) Martin F. Jarrold, Professor and Robert & Marjorie Mann Chair, Department of Chemistry, Indiana University,

Wednesday, April 22
12:00 pm - 1:00 pm	Logic Seminar Online Event The Poisson Boundary of countable groups Josh Frisch, Department of Mathematics, Caltech,
4:00 pm - 5:00 pm	▶︎ CANCELED: Astronomy Colloquum Cahill, Hameetman Auditorium TBD Didier Queloz, Professor of Astrophysics, University of Cambridge,
8:00 pm - 9:30 pm	▶︎ CANCELED: Watson Lecture - A Geodesy Odyssey: Mapping Disasters From Space Beckman Auditorium Susan Owen, Principal Investigator and Project Scientist, Advanced Rapid Imaging and Analysis (ARIA) for Natural Hazards Project, JPL,

Friday, April 24
11:00 am - 12:00 pm	High Energy Theory Seminar Online Event Double-scaled and Supersymmetric SYK Vladimir Narovlansky, Princeton University,
11:00 am - 12:00 pm	IQIM Postdoctoral and Graduate Student Seminar Online Event Harvesting proximity effect in 2D Ferromagnetic Semiconductor Heterostructures for Spin and Valleytronics Ding Zhong, Postdoctoral Scholar, Applied Physics and Materials Science, Faraon Group,
2:00 pm - 3:30 pm	Caltech/UCLA Logic Seminar Online Event Borel asymptotic dimension and hyperfinite equivalence relations Brandon Seward, Department of Mathematics, UC San Diego,