Lectures & learning • The La Jolla-based Yiddish Arts and Academics Association of North America presents “Yidish Fun Breyshis: Let’s Learn the Yiddish Alphabet Together” at noon Thursdays through Sept. 2 online. Avi Fried will teach literacy in Yiddish, incorporating culture, idioms, jokes, curses and songs. $75 for the series; scholarships available. info@yaaana.com • Sanford Burnham Prebys presents “Stem Cells — The Future is Now” at 1 p.m. Thursday, Aug. 5, online. SBP’s Dr. Evan Snyder will discuss the future of stem cell therapies and how stem cell research may affect your future health. A Q&A session will follow. Free. • The La Jolla/Riford Library presents