SF Gate
ePicks for July 21-24

Davis & Davis Research Labs(Thru Aug 5)
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In their quest for that holy grail of sex psychology, a definition of "sexual normalcy," pioneering clinicians like Alfred Kinsey and Master and Johnson ended up dropping their subjects into pits of kinkiness and perversion. The sex-art duo Davis & Davis makes the most of this funny and revealing paradox with carefully calibrated psycho-sexual tests of its own ("Sexercycle," "Teeter Meter," "Democratic Penis," "International Sex Appeal Test"), with litigious instructions posted next to oddly wholesome-looking contraptions.

-- Apollinaire Scherr
Catharine Clark Gallery, 49 Geary St. (near Market), SF;
Tue-Fri 10:30 am-5:30 pm; Sat 11 am-5:30 pm; free; (415)399-1439.