Cara M. Wall-Scheffler (Seattle Pacific): Size and Shape: Morphology's Impact on Human Speed and Mobility. What did our ancestors look like? A new method of establishing hair and eye colour from modern forensic samples can also be used to identify details from ancient human remains. 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. Research suggests the last Neanderthals of southern Iberia did not coexist with modern humans. The mask falls: Hunter gatherers may have very egalitarian societies, but evolution says the human love of status runs deeper.