Scientists say they have solved the mystery of how a girl with half a brain has near perfect vision in one eye.
A 10-year-old girl born with half a brain, from Germany, has the power of both a right and left eye in the single organ in the only known case of its kind in the world.


The Northrop Grumman RQ-4 Global Hawk is an unmanned aerial vehicle (UAV) used by the United States Air Force as a surveillance aircraft.