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What were our ancestors really like? What\u2019s more accurate, \u201cClan of the Cave Bear\u201d or \u201cThe Flintstones?\u201d USC biological anthropologist Kris Carlson throws us a few bones of knowledge. Plus, the surprise (and not entirely welcome) launch of our 100th Caller Contest.\n\nGUEST\nKris Carlson\nProfessor of Clinical Integrative Anatomical Sciences\nKeck Medicine, USC\xa0\n\nWebsite:\xa0www.paleosciences.usc.edu/events\n\nHOUSE BAND\nIan Wurfl\nPercussion\n\nWebsite:\xa0www.ianwurfl.com\nLearn more about your ad choices. Visit megaphone.fm/adchoices