evidence: A new analysis has looked at multiple sites which show evidence of early humans and found something surprising. It suggests that findings of increasing carnivory over time in Homo erectus are just a quirk of sampling. Suggestions that the evolution of ancient humans was linked to meat consumption have been found to be a little tough to swallow. [...] Dr W A Barr, the study's lead author, says, 'Generations of paleoanthropologists have gone to famously well-preserved sites in places like Olduvai Gorge looking for, and finding, breath-taking direct evidence of early humans eating meat, furthering the viewpoint that there was an explosion of meat eating after two million years ago.