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"Early Anatolian Kilims" lecture Koret Auditorium, DeYoung Museum, 50 Hagiwara Tea Garden, SF. www.famsf.org . 1 p.m., free. Alberto Levi, Cathryn Cootner, and Jim Dixon know their stuff when it comes to kilims, colorful and intricately woven rugs that in this case date back to the 15th century.
"Girls Got Kicks" book signing Dark Side Initiative, 1827 Powell, SF. www.girlsgotkicks.com . 5-8 p.m., free. Meet the badass author, photographer, and all-stars (not the Chuck Taylor kind) of Girls Got Kicks, a locally-shot exploration of empowered women and their multicolored sneakers.
"Private Lives of Sandhill Cranes" lecture First Universalist Church, 1187 Franklin, SF. www.goldengateaudubon.org . 7-9 p.m., $5. Join "craniac" Paul Tebbel, a biologist who has dedicated his life to the study of long-legged lovelies. He'll guide you through noticing the nuances of sandhill crane behavior, including how you can tell when the crane is being aggressive and when it's just dancing (still confusing to some of us humans).
"Empire of Death" lecture Paxton Gate, 824 Valencia, SF. www.empiredelamort.com . 6:30 p.m., free. Also at Sun/23 at Dog Eared Books, 900 Valencia, SF, 8 pm., free. Dr. Paul Koudounaris claims to own seventeen taxidermied goat heads, have been captured and manacled by a nutty Italian monk, and be the only foreigner blessed by the living incarnation of Durga. Presumably, most of this occurred in the last five years, while he was tracking down and documenting ossuaries across the globe. Bone up on your knowledge of the macabre via the good doctor explaining his new book.
"Ill-Gotten Brains" lecture, The Bone Room, 1573 Solano, Berk. www.boneroompresents.com . 7 p.m., free. Whether you donate your organs hasn't always been a free choice throughout history.
"Sex Sells! Sex Appeal in Advertising" exhibit and vintage poster fair Conference Center Building A, Fort Mason Center, SF. www.posterfair.com . 5-9 p.m., also Sat/22 (10 a.m.-7 p.m.) and Sun/23 (11 a.m.-6 p.m.), free for those under 25 years of age. Prices here will be a little spendy. But you can at least take in the sights: more than 10,000 vintage posters dating from the 1890s (when your ankles were shocking) to the 1980s (when they weren't anymore).
"Double Up" book signing Marcus Books, 1712 Fillmore, SF. (415) 346-4222, www.marcusbookstores.com . 6:30 p.m., free. Renowned photographer Jules Allen takes uppercuts and left-hooks the least painful way -- he takes notes on them. His most recent book documents the movements and people of Gleason's Gym, where many a boxing great has trained.
Pedalfest Jack London Square, Oakl. www.jacklondonsquare.com  10 a.m.-5 p.m., free. Bicycle-powered amusement rides might sound dubious, but then again, have you seen the quads on some of your fellow city-dwellers? A special free ferry takes you and your steel stallion to Oakland for a day of bike-oriented everything: food, art, music, even a rodeo.
"What I Love About Ukraine" cultural celebration Koret Auditorium, San Francisco Main Library, 100 Larkin. www.sfpl.org . 3:30-5 p.m., free. Traditionally-costumed Ukrainian musicians and dancers come to the library for a less-than-quiet affair.
Potrero Hill History Night International Studies Academy, 655 De Haro, SF. (415) 863-0784, www.potreroarchives.com . 5:30 – 9 p.m., free (except for barbeque). Country Joe McDonald, Joel Selvin, Goat Hill Phil, and Josephine Firpo Alioto join forces over barbeque to relate the music, film, and goat-centered histories of Potrero Hill.
Harvest Festival Ferry Building, SF. www.cuesa.org . 10 a.m.-2 p.m., also Sun/23 11 a.m.-3 p.m., free. Put that away! No, really. The harvest festival teaches you to pickle, preserve, press, and finally partake in all of your summer goodies. Also on the docket: lots of free samples, music, and a petting zoo.
Open Studios: Fort Mason, Marina, North Beach various locations, SF. www.artspan.org , also Sun/23. 11 a.m.-6 p.m., free. In its fourth weekend, the tour of some of the city's most intriguing artists and artworks rolls on. Ghostly nighttime photos by the Nocturnes, a Bay Area collective, are among the offerings.
"Touchstyle Ragas" discussion and performance Koret Auditorium, Main Library, 100 Larkin, SF. www.sfpl.org . 2-3:30 p.m., free. Teed Rockwell's instrument defies easy explanation. It's kind of like a guitar without the&ldots;guitar. He claims he's the only person on Earth to play traditional Indian ragas on a Touchstyle Veena (basically a long, electrified fretboard). Rockwell pioneers his sound with style.