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Can Humans Breathe Liquid? »

Deep water and the unprotected human body don't play well together--like, at all. But what if there were a way to get around the body's chemical limitations, a means of deep diving without the bends or lengthy decompression? Actually, there is. And we've almost figured out how to do it without killing ourselves in the process. Source Main page (current trends)
More about: Deep water, unprotected human body