Go to https://buyraycon.com/isaacarthur to get 20 to 50% off sitewide! Brought to you by Raycon. In the grand theater of the cosmos, amidst a myriad of distant suns and ancient galaxies, the Fermi Paradox presents a haunting silence, where a cacophony of alien...
Start listening with a 30-day Audible trial and your first audiobook is free. Visit http://www.audible.com/isaac or text "isaac" to 500-500. The Silurian Hypothesis contemplates how long the ruins of a civilization would be detectable, on Earth or even other worlds,...
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Get a free month of Curiosity Stream: http://curiositystream.com/isaacarthur The Zoo Hypothesis is a Fermi Paradox solution that assumes extraterrestrial civilizations can't be detected by our SETI efforts because they keep our whole world in an Alien Zoo. Visit our...