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Contact: Robert Sanders rsanders@berkeley.edu 510-643-6998 University of California - Berkeley Alleged 40,000-year-old human footprints in Mexico much, much older than thought Berkeley -- Alleged footprints of early Americans found in volcanic rock in Mexico are either extremely old - more than 1 million years older than other evidence of human presence in the Western Hemisphere - or not footprints at all, according to a new analysis published this week in Nature. The study was conducted by geologists at the Berkeley Geochronology Center and the University of California, Berkeley, as part of an investigative team of geologists and anthropologists from the...

New Evidence Challenges "Out-of-Africa" Hypothesis of Modern Human origins New evidence challenges "Out-of-Africa" hypothesis of modern human origins WUHAN, April 27 (Xinhua) -- Chinese archaeologists said newly found evidence proves that a valley of Qingjiang River, a tributary on the middle reaches of the Yangtze River, might be one of the regions where Homo sapiens, or modern man, originated. The finding challenges the "Out-of-Africa" hypothesis of modern human origins, according to which about 100,000 years ago modern humans originated in Africa, migrated to other continents, and replaced populations of archaic humans across the globe. The finding comes from a large-scale...