A new study, published in the Proceedings of the National Academy of Science, confirms close relationship of Ardipithecus ramidus – a species of hominid that lived in the east of the African continent around 4.4 million years ago – to the subsequent Australopithecus and humans. Ardipithecus ramidus, a hominid that lived in Africa more then 4 million years ago. Illustration by Arturo Asensio, via Quo.es. Though Ardipithecus ramidus had...