Recent research indicates that the MISC@1 timed their hunts and the migrations of game animals long before the beginning of the Upper Paleolithic .

Contributed by PERSON@1 , B.A. , M.A. , Ph.D. and PERSON@2 , B.A. , M.A. , Ph.D. . The age began when hominids -LRB- early humans -RRB- started to use stones as tools for bashing , cutting and scraping . Contributed by PERSON@3 , B.A. , Ph.D. `` Stone Age , '' ORGANIZATION@1 ® MISC@2 NUMBER@1 © NUMBER@2 ORGANIZATION@1 Corporation .
