Beware the Microchip

Tiny transmitters being embedded in everything from ID cards to the family dog may pose an unexpected danger: They can interfere with life-saving medical devices, according to a new study. Known as radio frequency identification devices (RFID), these little gadgets permit windshield passes to pay tolls for moving cars, security...

By Rob Stein | June 26, 2008; 07:00 AM ET | Comments (0)