In the wake of 2008 product scares involving melamine-tainted pet foods, lead-tainted toys, and melamine-tainted milk products, all originating in China, consumers in the U.S. understandably became ...

Virtually everything that you buy in your local supermarket has a curious little zebra-like pattern the size of a postage stamp printed on it. Barcodes, originally devised about 40 years ago to label ...