DARPA wants injured brains to rewire and repair themselves as the US military confronts traumatic brain injuries

US soldiers fire mortars during a training event at Fort Dix, New Jersey. Weapons like this have been associated with Traumatic Brain Injuries, or TBIs. Steven Roussel/US Army DARPA, the Pentagon's research arm, is exploring ways to help injured brains rebuild damaged connections. SHINE would target affected neural circuits while sparing healthy ones. The research could matter for troops and other Americans exposed to traumatic brain injuries. Brain injuries are among the military's most…