The Chicago Nerd Social Club presents their monthly science fiction & fantasy book club this evening from 6:30pm to 7:30pm at Filter (1373-75 North Milwaukee). This month's book for discussion is Blindsight by Peter Watts. Full details on the event at the Chicago Nerds Website.
The Downtown Sound free concert series at 6:30pm in the Pritzker Pavilion, 201 E. Randolph St. in Millennium Park, comes to an end this week with Russian Circles and Colin Stetson. Seating begins at 5:30pm. Free.
It's week five of the Impress These Apes talent competition at ComedySportz, 929 W. Belmont Ave., at 8pm. Eight contestants compete in various talent challenges each week, attempting to earn points with the judge panel of "hyperintelligent apes from the future." Tickets are $12 online or at the door. 21+