A Pacemaker Without Wires or Batteries, Columbia University Study

WSJ -- Pacemakers have kept millions of patients’ tickers on track for years, but they’re by no means a perfect solution for people with slow or irregular heartbeats. Besides requiring a surgical procedure, the devices’ batteries fade and their wires can go bad. Columbia University heart researcher Michael Rosen has been working on an alternative: putting pacemaker genes into the parts of the heart that aren’t beating properly.