Original: Recent research indicates that the Neanderthals timed their hunts and the migrations of game animals long before the beginning of the Upper Paleolithic.
Simplified: Contributed by Kathy Schick, B.A., M.A., Ph.D. and Nicholas Toth, B.A., M.A., Ph.D. The age began when hominids (early humans) started to use stones as tools for bashing, cutting and scraping. Contributed by Richard B. Potts, B.A., Ph.D. "Stone Age," Microsoft® Encarta® Online Encyclopedia 2007 © 1997-2007 Microsoft Corporation.