ScienceMississippi Floods May Have Wiped Out Ancient North American Civilization Researchers had long thought that the prehistoric city of Cahokia was destroyed by drought - but as new evidence shows, the civilization may have collapsed as a result of too much water, not too little.by Jim Algar
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Science'Breaking Bad' Syndrome: Most Acts of Violence Are 'Virtuous' and 'Morally Necessary'by Jim Algar
ScienceDNA found in early modern human fossil shows evidence of interbreeding with Neanderthalsby Jim Algar
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