In the age of Fake News and flat earthers, it's not hard to see how an outlandish idea could retain currency. But it's remarkable persistence over the half century prompted Colin Summerhayes, a prominent marine geologist and oceanographer at Cambridge, to write a 21-page, peer-reviewed paper outlining all the reasons why the Nazis totally didn't build a secret Antarctic base. Published a little over a decade ago in the quarterly academic journal Polar Review, Summerhayes' paper is an interesting survey of the paranoid conspiracy theories that began with a secret Nazi mission to Antarctica in January, 1939.