Divers' finds may rewrite pre-history

For the first time in 30 years, underwater archaeologists are plunging back into Little Salt Spring, searching for signs of life.

With the help of National Geographic and The Florida Aquarium, a six-person dive team is taking a journey 90 feet down to prove man lived in Florida far earlier than anyone imagined.

"Twelve-thousand years ago, this was actually dry. It was a cave," said Dr. John Gifford, an underwater archaeologist with the University of Miami in charge of the expedition.

Dr. Gifford believes at the end of the last Ice Age, Florida was twice as wide -- a cool, dry savannah where hunters found plenty of prey like giant ground sloths, mastodons, and saber tooth tigers...[MyFoxTampaBay.com]