A Mexican attempt to curb bribery among traffic cops turns on the belief that women are less likely to take illicit payments from drivers. A new study suggests that this approach can work, under the right circumstances. iStockphoto.com hide caption

itoggle caption iStockphoto.com

City workers remove piled up garbage that accumulated over the Christmas weekend in front of the Monument to Benito Juarez, one of Mexico's most important statesmen. Marco Ugarte/AP hide caption

itoggle caption Marco Ugarte/AP