New study raises questions about long-held theories of human evolution
Thursday, January 31, 2013 - 13:30
in Paleontology & Archaeology
What came first: the bipedal human ancestor or the grassland encroaching on the forest? A new analysis of the past 12 million years' of vegetation change in the cradle of humanity is challenging long-held beliefs about the world in which our ancestors took shape – and, by extension, the impact it had on them.