A high-tech dental analysis of a 2-million-year-old hominid from South Africa involving CU-Boulder researchers indicates it had a unique diet that included trees, bushes and fruits. (Credit: Photo courtesy Paul Sandberg, University of Colorado)
Ancient Human Ancestors Had Unique Diet -- Science Daily
ScienceDaily (June 27, 2012) — When it came to eating, an upright, 2 million-year-old African hominid had a diet unlike virtually all other known human ancestors, says a study led by the Max Planck Institute of Evolutionary Anthropology in Leipzig, Germany and involving the University of Colorado Boulder.
The study indicated that Australopithecus sediba -- a short, gangly hominid that lived in South Africa -- ate harder foods than other early hominids, targeting trees, bushes and fruits.
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My Comment: I guess pizza was not around at the time. :)