The Fermi Paradox asks why, in a vast and ancient universe, we see no signs of alien life. In this episode, we explore five explanations that make sense—and seven popular ones that, despite sounding good, fall flat under closer scrutiny.Join this channel to get access to perks:https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/joinVisit our Website: http://www.isaacarthur.netJoin Nebula: https://go.nebula.tv/isaacarthurSupport us on Patreon: https://www.patreon.com/IsaacArthurSupport us on Subscribestar: https://www.subscribestar.com/isaac-arthurFacebook Group: https://www.facebook.com/groups/1583992725237264/Reddit: https://www.reddit.com/r/IsaacArthur/Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.SFIA Discord Server: https://discord.gg/53GAShECredits:5 Fermi Paradox Explanations I Love, 7 That Fall FlatEpisode 502 / 721; May 31, 2025Written, Produced & Narrated by: Isaac ArthurGraphics: Ken York YD VisualSelect imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator0:00 Intro1:11 Space Is Too Big4:46 Rare Earth6:35 Aliens Signals Just Can’t Be Heard10:09 Humans Are Boring11:36 Dark Forest Theory14:14 Interdiction Bubble Civilizations16:49 Hermit Hypothesis19:18 Aestivation Hypothesis and Extragalactic Migration21:10 Transcendance, Ascension, and Extra-Universe Migration22:33 Infinite Miniaturization23:33 Berserkers & Zombie AI24:53 Aliens Common But Unrecognizable 26:08 Simulation HypothesisSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

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