From February 6 through March 4, the Wistar Institute will host an exhibit of winning images from the Nikon Small World photomicrography competition. An opening reception will take place on February 3, 5-7:30 p.m.
Above: Cracked gallium arsenide solar cell films by Dennis Callahan from the California Institute of Technology.
At right: Daphnia magna (freshwater water flea) by Joan Röhl from the University of Potsdam in Germany.
Below: Microchip surface, 3D reconstruction by Alfred Pasieka from Hilden, Germany.