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Ever since the discovery of the eighth continent, we\u2019ve all had to come to terms with the presence of a landmass we never knew existed. In this age, wherein it often feels like every inch of mountain and valley has been charted, crossed, and geocached, how could we have been blind to a continent floating in the middle of the Pacific Ocean? We suppose, like the mapmakers of a millennium ago, we were blinded by our self-assured scientists and their navigational tools. | Copyright 2020 by Alexander Weinstein. Narrated by Paul Boehmer.\nLearn more about your ad choices. Visit megaphone.fm/adchoices