Roni Horn, Untitled (Weather), 2011, photographs, 12 1/4 x 10 1/4 in each. On view at Hauser & Wirth, Zurich. through May 25.

Aloïs Godinat, Cloche à manche, 2013, HD color video. On view through LeSalle de Bains, Lyon, through April 27.

Urs Fischer, Problem Painting, 2012, milled aluminum panel, acrylic primer, gesso, acrylic ink, spray enamel, acrylic silkscreen medium, acrylic paint, 142x106x1". On view at MOCA, Los Angeles, through August 19. 

Elisa Sighicelli, Untitled (Wood), 2012, photograph mounted on the same woodphotographed, 23 5/8 x 23 5/8 x 5 3/4 inches. On view at Gagosian, Geneva, through May 4.