Prehistoric humans began gravitating to the Gault Site about 16,000 years ago, Texas State researchers say. The Gault Site is preserved forever because an archaeologist bought it and gave it to a conservation group... [Few academics have such wherewithal and fewer still would spend it this way, said Tom Dillehay, an anthropology professor at Vanderbilt University.] You can hardly walk 10 steps along Buttermilk Creek about 45 miles north of Austin without finding evidence that people lived here thousands of years ago. The ground is littered with flakes of chert, a plentiful stone from which projectile points, blades, cleavers and...