After a 7-year coma, Ariel Sharon has "significant" brain activity

Former Israeli prime minister Ariel Sharon has been in a deep coma for 7 years, but scientists say that he now shows signs of normal brain activity. After a stroke in 2006, the politician lapsed into a vegetative state and has been kept alive on a respirator. Reports the AP: » 1/28/13 11:40am 1/28/13 11:40am