Remarkably well preserved for a two-million-year-old fossil, this child's skull belongs to Australopithecus sediba, a previously unknown species of ape-like creature that may have been a direct ancestor of modern humans, according to a new study in Science. Scientists think this particular Australopithecus sediba fossil is from a male between 8 and 13 years old. The child's fossils were found in the remnants of a subterranean South African cave system alongside the fossil remains of an adult female in her 30s. "It's the opinion of my colleagues and I that [A. sediba] may very well be the Rosetta stone that...
