Along The Creek

Roy Wenzl: COLLEGE STATION, TEXAS — Scientists along Buttermilk Creek north of Austin, Texas have found flint knife blades, chisels and other human artifacts lying in a soil layer nearly 16,000 years old — a discovery they say will re-write a major chapter of ancient human history.

For one thing, it is now the oldest and arguably most credible site of human occupation in North or South America; but there's more.