Amid the swirling vastness of galaxies, each a cosmic city of stars and planets, the silence raises a compelling question: could the very nature of galaxies themselves hold the key to why intelligent life remains unseen?

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The Fermi Paradox: Galactic Great Filters

Episode 484; January 30, 2025

Written, Produced & Narrated by: Isaac Arthur

Select imagery/video supplied by Getty Images

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

Phase Shift, "Forest Night"

Chris Zabriskie, "Unfoldment, Revealment"

Stellardrone, "Billions and Billions"

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Amid the swirling vastness of galaxies, each a cosmic city of stars and planets, the silence raises a compelling question: could the very nature of galaxies themselves hold the key to why intelligent life remains unseen?

Watch my exclusive video The Fermi Paradox: Air https://nebula.tv/videos/isaacarthur-the-fermi-paradox-air

Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur

Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur

Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30.

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Credits:

The Fermi Paradox: Galactic Great Filters

Episode 484; January 30, 2025

Written, Produced & Narrated by: Isaac Arthur

Select imagery/video supplied by Getty Images

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

Phase Shift, "Forest Night"

Chris Zabriskie, "Unfoldment, Revealment"

Stellardrone, "Billions and Billions"

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Sci-fi thrills us with enormous space monsters and Kaiju, but could the galaxy already be home to such leviathans?

Watch my exclusive video The Fermi Paradox: Air https://nebula.tv/videos/isaacarthur-the-fermi-paradox-air

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Credits:

Giant Space Monsters

Episode 427b; January 1, 2024

Produced, Written & Narrated by: Isaac Arthur

Graphics: Jeremy Jozwik, Ken York

Music Courtesy of:

Epidemic Sound http://epidemicsound.com/creator

Select imagery/video supplied by Getty Images

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Sci-fi thrills us with enormous space monsters and Kaiju, but could the galaxy already be home to such leviathans?

Watch my exclusive video The Fermi Paradox: Air https://nebula.tv/videos/isaacarthur-the-fermi-paradox-air

Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur

Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur

Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30.

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Credits:

Giant Space Monsters

Episode 427b; January 1, 2024

Produced, Written & Narrated by: Isaac Arthur

Graphics: Jeremy Jozwik, Ken York

Music Courtesy of:

Epidemic Sound http://epidemicsound.com/creator

Select imagery/video supplied by Getty Images

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

In a universe stretched thin by eons, where stars have long faded and even atoms face their end, a single question remains: can intelligence find a way to outlast time itself?

Watch my exclusive video The Fermi Paradox: Air https://nebula.tv/videos/isaacarthur-the-fermi-paradox-air

Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur

Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur

Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30.

Visit our Website: http://www.isaacarthur.net

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SFIA Discord Server: https://discord.gg/53GAShE

Credits:

Civilizations At The End Of Time: Eternal Intelligence

Episode 483; January 23, 2025

Written, Produced & Narrated by: Isaac Arthur

Edited by: Ludwig Luska

Graphics by: Jeremy Jozwik

Select imagery/video supplied by Getty Images

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

Phase Shift, "Forest Night"

Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector"

Stellardrone, "Billions and Billions"

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

In a universe stretched thin by eons, where stars have long faded and even atoms face their end, a single question remains: can intelligence find a way to outlast time itself?

Watch my exclusive video The Fermi Paradox: Air https://nebula.tv/videos/isaacarthur-the-fermi-paradox-air

Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur

Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur

Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30.

Visit our Website: http://www.isaacarthur.net

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SFIA Discord Server: https://discord.gg/53GAShE

Credits:

Civilizations At The End Of Time: Eternal Intelligence

Episode 483; January 23, 2025

Written, Produced & Narrated by: Isaac Arthur

Edited by: Ludwig Luska

Graphics by: Jeremy Jozwik

Select imagery/video supplied by Getty Images

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

Phase Shift, "Forest Night"

Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector"

Stellardrone, "Billions and Billions"

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Explore the fascinating world of string theory, where tiny vibrating strings may hold the key to unifying quantum mechanics and general relativity. Dive into the mysteries of extra dimensions and the quest for a 'theory of everything.

Watch my exclusive video The Fermi Paradox: Air https://nebula.tv/videos/isaacarthur-the-fermi-paradox-air

Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur

Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur

Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30.

Visit our Website: http://www.isaacarthur.net

Join Nebula: https://go.nebula.tv/isaacarthur

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Credits:

Untangling String Theory

Episode 482; January 16, 2025

Produced & Narrated by:Isaac Arthur

Written & Edited by:Isaac Arthur & Jonathan Maltz

Select imagery/video supplied by Getty Images

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

Chris Zabriskie, "Unfoldment, Revealment"

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Explore the fascinating world of string theory, where tiny vibrating strings may hold the key to unifying quantum mechanics and general relativity. Dive into the mysteries of extra dimensions and the quest for a 'theory of everything.

Watch my exclusive video The Fermi Paradox: Air https://nebula.tv/videos/isaacarthur-the-fermi-paradox-air

Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur

Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur

Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30.

Visit our Website: http://www.isaacarthur.net

Join Nebula: https://go.nebula.tv/isaacarthur

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Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.

SFIA Discord Server: https://discord.gg/53GAShE

Credits:

Untangling String Theory

Episode 482; January 16, 2025

Produced & Narrated by:Isaac Arthur

Written & Edited by:Isaac Arthur & Jonathan Maltz

Select imagery/video supplied by Getty Images

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

Chris Zabriskie, "Unfoldment, Revealment"

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.