Ancient structure near Sea of Galilee said to be at least 5K years old
                                
                                
                                    (Newser) -
                                    What's longer than a football field and probably older than much of  Stonehenge  as well as the  Egyptian pyramids ? According to scientists, an ancient stone monument recently identified in Israel,  LiveScience  reports. The crescent-shaped structure just a few miles away from the Sea of Galilee is about 492...