Photo by mmpetrie.

VARIETY SHOW: The Encyclopedia Show DC presents an evening of bear-themed comedy, storytelling, poetry, and peformance art at 9th & Beats (1219 9th Street NW). Doors 7:30 p.m., show 8:00 p.m. Tickets: $10.

SCIENCE HAPPY HOUR: It’s probably a long shot, but if you want to raise a glass to ray guns with Slate, the New America Foundation, and Arizona State University at the Future Tense Happy Hour this evening, send an email to futuretensedc@gmail.com with “your name, location, and any affiliation you’d like to mention.” If you score a ticket, they’ll let you know where to show up. 6:00 p.m.

BOOKS: Adam Mansbach, author of Go the F**k to Sleep, discusses his new novel, Rage is Back at Sixth & I Historic Synagogue (600 I Street NW) this Tuesday. 7:00 p.m. $10 admission, or $27 for a copy of the book and 2 tickets.

MUSIC: London singer/songwriter Jessie Ware takes the stage at the 9:30 Club (815 V Street NW) tonight with opener Rochelle Jordan. 7:00 p.m. $18.