What happens when intelligence escapes the bounds of flesh and bone? In this episode, we explore post-biological civilizations—entities that may trade biology for digital minds, machine bodies, or stranger forms still—and ask what becomes of identity, purpose, and humanity when the body is no longer required.

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Credits:

Cities of the Future 

Episode 498; May 8, 2025

Written, Produced & Narrated by: Isaac Arthur

 Edited by: Ludwig Luska

Select imagery/video supplied by Getty Images 

Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Chris Zabriskie, "Unfoldment, Revealment"

Phase Shift, "Forest Night"

Lewis Gill, "The Phobos Diary"

Stellardrone, "Red Giant"

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