A juvenile early hominin skeleton from Dikika, Ethiopia

Article Abstract:

The description of a well-preserved 3.3-million-year-old juvenile partial skeleton of Australopithecus afarensis discovered in the Dikika research area of Ethiopia is presented. The skeleton confirms the functional dichotomy of the body plan of A. afarensis, a more derived lower body adapted for bipedal locomotion, combined with an upper body that is, in many respects, ape-like, but its scapula morphology, together with forelimb features raises new questions about the importance of arboreal behavior in A. afarensis.

Ethiopia, Discovery and exploration, Fossils, Australopithecus afarensis

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The universe's skeleton sketched

Article Abstract:

An analysis of gravitational-lensing data from the Cosmic Evolution Survey, COSMOS, that were acquired using the Hubble Space Telescope, is reported. These data cover an area of sky about eight times the size of the full Moon and represent the first wide-sky, space-based survey of dark matter.

United States, Observations, Astronomical research, Universe

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Skeleton keys

Article Abstract:

The author interviews Philippe Janivier, a paleontologist working in France and being a research fellow at the Natural History Museum in London, about his field of work, about the books which have influenced him the most in his scientific career, and about his first experiments as a child.

France, Beliefs, opinions and attitudes, Portrayals, Paleontologists, Questions and answers, Janivier, Philippe

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