New synthetic vocal cord gel gives voice to the voiceless

Call it a silent killer: some 6 percent of the U.S. population has some kind of voice disorder, most of those resulting from scarring of the vocal cords that can lead to diminishing or even total loss of the ability to speak. Giving voice to the voiceless, a team of Harvard and MIT researchers have developed a » 7/16/11 8:00am 7/16/11 8:00am