On this episode… The term “cryptoterrestrials” was popularized by American author and blogger Mac Tonnies.He developed the “cryptoterrestrial hypothesis” in his blog and later published it posthumously. The term comes from Ancient Greek: κρυπτός, kryptós “hidden, secret” and Latin: terrestris, “related to the Earth” In his book “The Cryptoterrestrials”, Tonnies proposes that the beings speculated […]

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