A woman wearing a mask rides past a KFC restaurant in Shanghai last month. Food scares and the bird flu haven't stopped many chicken lovers in the city from visiting KFC and other restaurants. Aly Song/Reuters /Landov hide caption

itoggle caption Aly Song/Reuters /Landov

Farmworkers like these in California picking produce may soon be required by the FDA to take more precautions against spreading foodborne illness. Heather Craig/iStockphoto.com hide caption

itoggle caption Heather Craig/iStockphoto.com

Now we know why we'll never see a common fruit fly (Drosophila melanogaster) sitting on a beet. Jan Polabinski/iStockphoto.com hide caption

itoggle caption Jan Polabinski/iStockphoto.com

People try to get through the aisles at Whole Foods Market in Midtown in New York on Sunday before the storm. Timothy A. Clary/AFP/Getty Images hide caption

itoggle caption Timothy A. Clary/AFP/Getty Images