Slum dwellers near Calcutta get their water from a municipal pipe. Water coming out of the tap on the left is for bathing and so is untreated. The blue Zimba chlorinator is hooked up to the tap on the right, which is used for drinking water.
Courtesy of Suprio Das/Zimba
This advertisement for the da Vinci surgical robot led former hospital executive Paul Levy to ask the University of Illinois Hospital and Health Sciences System about its role in marketing the high-tech device.