image: The skull of Naia as it was discovered in 2007, resting against the left humerus (upper arm bone). This image relates to a paper that appeared in the May 16, 2014, issue of Science, published by AAAS. The paper, by James C. Chatters at Applied Paleoscience and DirectAMS in Bothell, Wash., and colleagues was titled, "Late Pleistocene Human Skeleton and mtDNA Link Paleoamericans and Modern Native-Americans." view more
Credit: [Photo by Daniel Riordan Araujo]