Jul 4, 2014 — Maybe it was messier than we thought, some scientists now say. Big brains, long legs and long childhoods may have evolved piecemeal in different spots, in response to frequent swings in climate.
Jul 2, 2014 — When it comes to living at extreme altitudes, Tibetans may have gotten a leg up from Denisovans, a species of archaic humans that lived about 50,000 years ago.
Sep 5, 2013 — A new study that relies on brain-imaging of cerebral blood flows suggests that human speech and complex tool-making skills emerged together almost two million years ago. Commentator Barbara J. King digs through the evidence and offers her own take on this age-old question.
Apr 11, 2013 — A prominent male chin, thought to be a marker for virility, is one of the characteristics that's part of the so-called universal facial attractiveness hypothesis. But a look at chins from around the world raises doubts.
Mar 1, 2013 — Until recently, our brains' way of connecting food with love and a sense of well-being was purely a good thing. But in a world where it's possible to feast every day, it can be a problem.