The large desert etchings are likely 2.4K years old
                                
                                
                                    (Newser) -
                                    In a groundbreaking development, researchers have harnessed the power of artificial intelligence to unearth three previously undiscovered  "Nazca Lines" in Peru . As  LiveScience  reports, these vast figures, etched into the Nazca Desert around 2,400 years ago, include a pair of legs spanning over 250 feet, a 62-foot-wide fish,...