Earlier this decade, doctors discovered that by shocking the vagus nerve -- one of twelve nerves connected directly to the brain -- they could attempt to treat chronic hiccups, epilepsy and severe depression. Now, a startup called Microtransponder believes such a device can help reduce tinnitus, too. Technology Review now reports the company's RFID-like, externally-powered implant could stimulate the vagus nerve while doctors play particular tones for those suffering ringing ears, slowly attuning the patients to frequenci
