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Monday, November 23, 2009

Photo: Human Ancestor Had Lime-Size Brain


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An intact skull found in Egypt—shown from several angles above— suggested a 30-million-year-old human ancestor, Aegyptopithecus zeuxis, had a much smaller brain than previously thought. X-rays of the brain also revealed that the ancient human had excellent vision and likely was active during the day.

Photograph Courtesy PNAS