It’s now or never.EXPERIENCEThe Temporium Pop-Up ShopWhat: D.C. artists Billy Colbert, Albus Cavus, and AM Radio transform the former library kiosk into a Wi-Fi lounge and boutique for women’s and men’s clothing and accessories ($20-$600).Why: Live music, performance artists, panel discussions, and local lines like Dana Ayanna Greaves, Derringer Friday, Bill Johnson, DeNada, and Hugh & Crye.When: Fri.-Aug. 15. Thurs. & Fri., 6-10 p.m.; Sat., 2-10 p.m.; Sun., noon-5 p.m.Where: 1300 H St. NE., at 13th St.SHAREYour Favorite Hair ProductWhat: We told you our summer picks — now tell us yours. Post it on our Facebook page. Why: One random poster will receive a package of stellar hair care products.When: You’re procrastinating at work.Where: Online at facebook.com.DANCEHirshhorn After Hours What: Sip cocktails; screen short films; and break a sweat to electro, alt-pop, and disco beats from DJs Bil Todd and Matt Bailer at the sure-to-be-crowded outdoor party. Why: Outrageous drag performances by Summer Camp, Sunrize Highway, and others.When: Fri., 8 p.m.-midnight.Where: Hirshhorn Museum and Sculpture Garden, Independence Ave. SW, at 7th St. (202-633-1000). Tickets ($18) online at tickets.com.CALMFrazzled FidoWhat: Learn to tackle issues like pet anxiety and dog park politics in the Washington Humane Society’s new people-only training seminars.Why: Conquer neuroses including thunderstorm fears, vet visit hysteria, and other animal stressors at this week’s session ($25).When: Sun., 9:30 a.m.-noon.Where: Behavior & Learning Center, 7315 Georgia Ave. NW, b/t Geranium St. & Fern Pl. (202-723-5730). Registration (required) online at washhumane.org.FLOWYoga and KayakingWhat: Past Tense studio holds a surf-and-turf workshop ($40) on the Potomac River.Why: Prep for paddling with a half hour of warm-up yoga focusing on shoulders and arms and finish off on the dock with another hour of downward dogs.When: Sat., 10 a.m.-1 p.m.Where: Jack’s Boat House, 3500 K St. NW (202-337-9642). Registration (required) online at clients.mindbodyonline.com.Photo: Courtesy of DeNadaUp to 85% off Josh BrodyJosh Brody has a keen eye for detail, a classic grasp of draping, and a penchant for brilliant color and prints. His deceptively simple dresses are up to 85% off today on Swirl.