Bonnie and Taylor Sims at Chautauqua and other Boulder events for today

Nov. 3—Bonnie and Taylor Sims at Chautauqua: Hear some soul-shaking harmonies and powerful songwriting from Longmont husband-and-wife duo. Folk and soul acoustic quartet Sturtz will open the show; 7:30 p.m. Thursday, Chautauqua Community House, 900 Baseline Road, Boulder; $22-$25; chautuaqua.com.

Boulder Jewish Film Festival's Opening Night: Celebrate the festival's 10th anniversary with an opening night at the Dairy, where it will screen "Hallelujah," a tribute to Jewish singer-songwriter Leonard Cohen. Through Nov. 13, the festival will show dozens of Jewish films and shorts; 6:30 p.m. Thursday, Dairy Arts Center, 2590 Walnut St, Boulder; $16; boulderjcc.org.

BETC's 'The Royale at the Dairy: It's 1905, the era of Jim Crow, and African-American boxer Jay "The Sport" Jackson is one fight from making history against the reigning white heavyweight champion of the world. "The Royale" is presented by Butterfly Effect Theatre of Colorado (BETC); 7:30 p.m. Thursday, Dairy Arts Center, 2590 Walnut St., Boulder; $25-$80; betc.org.

'White Women' Book Signing: Authors Regina Jackson and Saira Rao will speak about and sign their new book, "White Women: Everything You Already Know About Your Own Racism and How to Do Better," a no-holds-barred guidebook aimed at white women who want to start dismantling white supremacy; 6:30 p.m. Thursday, Boulder Book Store, 1107 Pearl St., Boulder; $5; boulderbookstore.net.

Spafford at the Fox: This jam band that blends rock, funk, jazz, reggae, ska and electro-pop into off-the-cuff extended jams. Boulder jam band Mr. Mota opens the show; 8:30 p.m. Thursday, The Fox Theatre, 1135 13th St., Boulder; $25-$30; z2ent.com.

Members of Deadphish Orchestra at Velvet Elk: This Colorado jam band that blends the music of Phish and Grateful Dead will have two of its members, Paul Murin and Brian Adams, performing in the bar; 9 p.m. Thursday, Velvet Elk Lounge, 2037 13th St., Boulder; Free; velvetelklounge.com.

Climate Science, Consequences and Solutions Talk: Astrophysicist and educator Jeffrey Bennett will give a brief overview of the surprisingly simple basic science behind global warming and of the consequences we can expect from this warming and how we can take the steps necessary to envision a "post-global warming" future; 7 p.m. Thursday and Friday, Fiske Planetarium, 2414 Regent Drive, Boulder; $8-$12; colorado.edu/fiske.

Picnic Lunch at Viele Lake: Boulder Atheists are hosting a picnic at Harlow Platts Park. Bring a lunch and a chair or blanket and look for the Boulder Atheist sign. Picnics take place on the first, third and fifth Thursdays of October. Head to Tra Lings if there's inclement weather; noon Thursday, Harlow Platts Community Park, 1360 Gillaspie Drive, Boulder; Free; boulderatheists.org.

Active Senior Support Group at Unity: Gathering the first and third Thursdays of the month in Fellowship Hall, this group (ages 60 years old and up) will gather for activities and discussions; 2 p.m. Thursday, Unity of Boulder Spiritual Center, 2855 Folsom St., Boulder; Free; unityofboulder.com.

Thursdays at Neptune Mountaineering: Head to the shop where speakers will share their latest adventures, staff will give insight on new products, along with training tips and more. Tickets are free but limited to 150 guests; 7 p.m. Thursday, Neptune Mountaineering, 633 S. Broadway, Boulder; Free; neptunemountaineering.com.

Zea Stallings at BOCO Cider: Denver-based musician Zea Stallings will bring his folk and roots songwriting traditions to Boulder; 5 p.m. Thursday, BOCO Cider, 1501 Lee Hill Drive, Unit #14, Boulder; Free; bococider.com.

CU Boulder Lab Venture Challenge 2022: This event brings the top CU Boulder high-tech ventures and breakthrough innovations to a challenge where finalists will deliver pitches to a panel of business leaders, entrepreneurs, investors and intellectual property experts; 6 p.m. Thursday, The Riverside, 1724 Broadway, Boulder; calendar.colorado.edu.