ABC: The mysteries of the most isolated island in the world, Rapa Nui, commonly known as Easter Island, have baffled anthropologists and other scientists for generations, and one question about the curious inhabitants who erected those great, strange heads is what happened to the people who made them.
The island is best known for 887 monumental rock statues, weighing up to 82 tons and mysteriously moved over considerable distances by ancient people who had no beasts of burden, but that's only part...