The world's oldest river - an incredible 340m years old and 466 miles long
There's no conclusive evidence, but a river reputed by some to be the oldest in the world dates back 340 million years.
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Rare 'High Risk' Flood Danger For Kentucky, Tennessee, As Threat For Tornadoes Looms In The South Saturday
A pair of threats are in play in parts of the South this weekend, especially Saturday. Here's what you need to know.