To most of us, pigeons all look the same, but human faces do not, despite also being similar to each other in appearance. Brain scientists are now developing a thorough understanding of the specialized circuits that distinguish faces. In the process, they have discovered the inability to recognize familiar faces, called prosopagnosia, may be far more common than once thought.
More on FACIAL RECOGNITION: http://www.scoop.it/t/science-news?tag=facial%20recognition
Via Darin L. Hammond