Barbara Hernandez swam nearly 1.6 miles in 35-degree water—longest swim yet in Southern Ocean
(Newser) -
The longest swim in the frigid Antarctic Ocean, aka the Southern Ocean, has been achieved, by a world-champion extreme swimmer from Chile known as the "Ice Mermaid." On Monday, Barbara Hernandez, 37, covered 2.5 kilometers (just under 1.6 miles) in Chile Bay, off of the Antarctic...