When the chevrons all point in the same direction to open water, Dallas Abbott, an adjunct research scientist at Lamont-Doherty Earth Observatory in Palisades, New York, uses a different satellite technology to look for oceanic craters. With increasing frequency, she finds them, including an especially large one dating back 4,800 years
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For all you coastal dwellers. Don't know if these would cause 40 days and 40 nights of rain but certainly would cause a memborable event-for the survivors
