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“The Birth of Star Clusters” Randall Museum, 199 Museum Way, SF; www.randallmuseum.org. 7:30pm, free (donations accepted). UC Berkeley’s Dr. Steven Stahler speaks about how stars form.
Mike Madrid Cartoon Art Museum, 655 Mission, SF; thirdthursdaysf.wordpress.com. 5-8pm, free. Author and comics expert Mike Madrid (The Supergirls: Fashion, Feminism, Fantasy, and the History of Comic Book Heroines) presents his latest book, Divas, Dames and Daredevils.
“Odd Couples: Extraordinary Differences Between the Sexes in the Animal Kingdom” Bone Room, 1573 Solano, Berk; www.boneroompresents.com. 7pm, free. Evolutionary biologist Dr. Daphne Fairbairn gives a talk on “gender gulfs” in the animal world.
“Writing That Risks: New Work from Beyond the Mainstream” Alley Cat Books Gallery, 3036 24th St, SF; www.alleycatbooksgallery.com. 6-7pm, free. Independent publisher Red Bridge Press celebrates the release of its new short-story collection, featuring emerging writers “who delight in exploring the boundaries of content and style.”
“Apature Comix and Zines Expo” Cartoon Art Museum, 655 Mission, SF; apature2013.brownpapertickets.com. 11am-5pm, $7. Cartoon Art Museum and Kearny Street Workshop present this celebration of Bay Area Asian Pacific American talent, with artist tables, crafts, workshops, screenings, DIY activities, and more.
Ceramics Annual of America Civic Center Plaza, SF; www.ceramicsannual.org. 9am-6:30pm, free. Through Sun/20. Exhibition and art fair showcasing contemporary ceramics from around the world, including Australia, China, Mexico, and Italy.
Classic car show Jack London Square, Broadway and Embarcadero, Oakl; www.jacklondonsquare.com. 10am-4pm, free. Ogle Model As, T-birds, and other souped-up beauties from the 1920s to the 1960s at this vintage-vehicle extravaganza.
Potrero Hill Festival 20th St between Wisconsin and Missouri, SF; www.potrerofestival.com. 11am-4pm, free. Family-friendly fun awaits those who scale Potrero’s mighty hills, with food trucks and local food vendors, two stages with a talent show, over 40 local merchants and artists, pony rides for kids, and more.
“SFMusic Day: Live + Free” San Francisco Conservatory of Music, 50 Oak, SF; www.sffcm.org. Tonight, 8pm, free; Sun/20, noon-7pm, free. Free concerts that hew to the festival’s 2013 Latin theme, with performances by Cascade de Flores, Orquesta La Moderna Tradicion, Quintento Latino, the John Santos Sexed, and more. (Check the website for a full schedule.)
St. John Armenian Annual Food Festival St. John Church, 275 Olympia, SF; (415) 922-1961. Noon, free. Through Sun/20. Purchase authentic Armenian food (in both dinner and a la carte form) at St. John’s annual fundraiser. Don’t miss the intriguing-sounding Kufta, described as “a meatball within a meatball.”
Free community day at the Haas-Lilienthal House 2007 Franklin, SF; www.sfheritage.org. 11am-4pm, free. Tour the 1886 landmark Queen Anne gem, a “living monument” to San Francisco history, for free. (Admission is usually $8.) There will also be a pumpkin patch and other autumn treats for younger visitors. *