Sturtevant, Elastic Tango, 2010. Video installation, 3 act video play on 9 monitors. On view at Moderna Museet, Stockholm through August 26.

Michael Riedel, 1 of 17 different invitation cards, 2011. On view at Schirn Kunsthalle Frankfurt through September 9.

Hubert Czerepok, Madness Is Like Gravity, 2011. Neon. 79 x 76 inches. On view at Żak Branicka, Berlin through September 8.

Amy O'Neill, POTD, 2012. Pyramid on plinth, hydrocal, lacquer finish. 25 x 25 x 25 inches. On view at Blum & Poe, Los Angeles through August 25.