Chevy had the whole "Heartbeat of America" thing cornered in the 80s, but now its Ford's turn to get in on the action. The car maker's European research team unveiled a prototype car seat capable of monitoring a driver's heart courtesy of six embedded electrodes, which can take measurements without coming in direct contact with skin. The technology, the latest in a recent string of health-related in-vehicle concepts from the company, can detect whether the driver is having a heart attack and transmit that information to the vehicle's safety system. According to the researchers, the system is already highly accurate in its prototype state, making correct readings for 98 percent of drive time with