A few more stories on the 50k year old "site" in South Carolina:

S.C. site topic of lectures

Shards of history

Evidence Hints at Earlier Humans in Americas (NY Times) This is what we were talking about yesterday: "Dr. Goodyear acknowledged in a telephone interview that the research would "be extremely controversial," because some other scientists are not as convinced that the stone objects are really tools, and not naturally chipped and battered chert, or dense quartz.

Team Says Humans Lived In North America Earlier (WA Post)