What is 'Zoo Theory'? Bizarre thesis attempts to explain why aliens are yet to contact us

What is 'Zoo Theory'? Bizarre thesis attempts to explain why aliens are yet to contact us  International Business Times UK Aliens exist and they keep an eye on our activities? Queer 'Zoo Theory' by MIT Astonomer  The TeCake MIT Radio Astronomer's,'Zoo Theory', a step further why Aliens never contacted humans; what's Pentagon hiding?  News NationFull coverage

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