Former “Blossom” star Mayim Bialik discusses her involvement in the Holistic Moms Network on an 11 a.m. panel at the Go Green Expo, which features innovations in energy-efficient products, seminars with experts in green living, a career fair, film screenings, free yoga classes, organic food tastings and more. Sat. 10 a.m.-6 p.m. and Sun. 10 a.m.-5 p.m. $5-$10 (weekend pass). Los Angeles Convention Center, South Hall J, 1201 S. Figueroa St., Los Angeles. gogreenexpo.com.

Archaeologists and biblical scholars examine how monotheism has shaped our current religious landscape in a Whizin Center program, “What Do We Mean When We Say Monotheism?” The panel includes Steven Fine of Yeshiva University New York, Ziony Zevit of American Jewish University, Jeffrey Tigay of University of Pennsylvania and others. Sun. 10 a.m.-4 p.m. $55 (lunch included). AJU Familian Campus, 15600 Mulholland Drive, Bel Air. (310) 440-1246. ajula.edu.

David Mamet directs the infamously reclusive magician in a production that offers a rare glimpse into Ricky Jay’s life and career. “Ricky Jay: A Rogue’s Gallery — An Evening of Conversation and Performance” includes Jay’s renowned sleight-of-hand illusions and a fair amount of audience interaction. Tue. 8 p.m. Through Jan. 10. $65-$125. Geffen Playhouse, 10886 Le Conte Ave., Westwood Village. (310) 208-5454

A giant 15-foot, 1,000-pound menorah will light up Universal CityWalk for the annual Chabad Chanukah festival, with live Israeli and Jewish performances, appearances by Jewish community leaders and menorah lightings from around the world, broadcast on a huge screen. Sat. 7:30-11:30 p.m. Free. CityWalk, 100 Universal City Plaza, Universal City. (818) 758-1818. chabadofthevalley.com.

Steven Spielberg receives the Anti-Defamation League’s top honor — America’s Democratic Legacy Award — presented by ADL National Director Abraham H. Foxman at the organization’s annual dinner celebration. Spielberg joins the ranks of previous recipients, including former presidents Ronald Reagan, John F. Kennedy and Dwight Eisenhower, Colin Powell, Eleanor Roosevelt, Justice Earl Warren, Cardinal John O’Conner and others. “American Idol” finalist Adam Lambert sings the U.S. national anthem and Israeli singer-songwriter Noa Dori sings the Israeli national anthem. Wed. 6:30 p.m. $500. Beverly Hilton Hotel, 9876 Wilshire Blvd., Beverly Hills. (310) 446-4263. adl.org/spielberg.

Leading advocates of Darwinism and intelligent design go head to head in “The Origins of Life Debate,” featuring Michael Shermer, founding publisher of Skeptic magazine and editor of Skeptic.com; Donald Prothero, a geology professor at Occidental College and lecturer in geobiology at CalTech; Stephen Meyer, director of the Center for Science and Culture at the Discovery Institute; and Richard Sternberg, research scientist at the Biologic Institute and a research collaborator at the Smithsonian’s National Museum of Natural History. Sponsored by the American Freedom Alliance. Mon. 7:30 p.m. $10 (students), $20 (general). Saban Theatre, 8440 Wilshire Blvd., Beverly Hills. (323) 655-0111. www.americanfreedomalliance.org.