Over the millennia, the legend of a great deluge has endured in the biblical story of Noah and in such Middle Eastern myths as the epic of Gilgamesh. Now two distinguished geophysicists have discovered a catastrophic event that changed history, a gigantic flood 7,600 years ago in what is today the Black Sea.
Using sound waves and coring devices to probe the sea floor, William Ryan and Walter Pitman revealed clear evidence that this inland body of water had once been a vast freshwater lake lying hundreds of feet below the level of the world's rising oceans. Sophisticated dating techniques...