New evidence that human history is a lot longer than previously believed in terms of actual civilization and the exodus from Africa . . . those ages of man and the cycles of civilizations rising and falling are getting a bit more credence . . . while the new paradigm shifter is from a paper based upon fairly recent finds . . . a LOT of stuff popping up in the last four or five years . . . there have been folks pushing for re-evaluation of extreme human history for some time.
See http://news.yahoo.com/s/livescience/20101210/sc_livescience/lostcivilizationmayhaveexistedbeneaththepersiangulf for more.
– Brian