March 29, 2013 10:44 am Teen Builds Hi-Tech “Helping Hand” A Pennsylvania teenager’s prize-winning science fair experiment could end up changing lives. His “Helping Hand” is a voice-controlled robotic grasper that only responds to its assigned user. Local 0:52 El Minuto 5/1 Spanish Edition 0:59 El Minuto 5/1 English Edition 1:36 Arizona Senate repeals 1864 abortion ban 3:09 Desarticulan banda criminal dominicana 1:40 Democrats say Big Oil misled public for decades about climate change
