Our search for extraterrestrial life assumes alien life based on water and carbon, but could there be biochemistries based on other substances?
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Credits:
Ammonia-Based Lifeforms
Episode 404, July 20, 2023
Written, Produced & Narrated by:
Isaac Arthur

Editors:
David McFarlane
Edward Wright
Joshua Deily
Lukas Konecny

Ammonia-Based Lifeforms (Narration Only)

Eons from now the last stars will be born, living trillions of years before they too fade out, and in the gathering darkness will come the final sunset on the last planet.

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Credits:
The Last Planet August
Episode 407, August 10, 2023
Written, Produced & Narrated by:
Isaac Arthur

Editors:
David McFarlane
Lukas Konecny

The Last Planet (Narration Only)

In the future we may deploy armies of cybernetic superhumans to fight our battles, people so augmented they could tear through walls or dodge bullets. But would these invincible warriors be willing to fight for mundane humans, or merely fight each other to rule us?

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Credits:
Cyborg Armies 
Episode 407a, August 13, 2023

Produced, Written & Narrated by:
Isaac Arthur

Editors:
David McFarlane

Cyborg Armies (Narration Only)

In the future we may deploy armies of cybernetic superhumans to fight our battles, people so augmented they could tear through walls or dodge bullets. But would these invincible warriors be willing to fight for mundane humans, or merely fight each other to rule us?

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Credits:
Cyborg Armies 
Episode 407a, August 13, 2023

Produced, Written & Narrated by:
Isaac Arthur

Editors:
David McFarlane

Music Courtesy of:
Epidemic Sound http://epidemicsound.com/creator
Markus Junnikkala, "We Roam the Stars"
Stellardrone, "Red Giant" "Between The Rings"
Miguel Johnson, "Far From Home", "So Many Stars"
Aerium, "Fifth Star of Aldebaran"

Cyborg Armies

To celebrate 750,000 subscribers we're taking a look at the benefits and disadvantages of settling and terraforming planets vs constructing megastructure space habitats

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Credits:
Planets vs Megastructures
Science & Futurism with Isaac Arthur
Episode 406b, August 6, 2023
Written, Produced & Narrated by Isaac Arthur

Planets vs Megastructures (Narration Only) - SFIA 750,000 Subscriber Special Edition

Humanity has evolved in the face of much hardship and turmoil, and invented technologies to aid us, but could an end to hardships be our undoing and cause us to devolve?

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Credits:
Human Devolution: Morlocks & C.H.U.D.s 
Episode 409, August 24, 2023
Written, Produced & Narrated by:
Isaac Arthur

Editors:
Jerry Guern
Donagh Broderick
David McFarlane

Music Courtesy of:
Epidemic Sound http://epidemicsound.com/creator
Sergey Cheremisinov, "Labyrinth", "Forgotten Stars"

Human Devolution: Morlocks & C.H.U.D.s (Narration Only)

Human Devolution: Morlocks & C.H.U.D.s

Comets have awed, amazed, and even terrified humanity for thousands of years, with many believing they heralded the end of the world, but could they be the key to reaching and creating new worlds?
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Credits:
Comet Mining
Science & Futurism with Isaac Arthur
Episode 408, August 17, 2023
Written, Produced & Narrated by Isaac Arthur

Comet Mining (Narration Only)

Many millennia from now we may have journeyed out to colonize billions and billions of planets in our galaxy, but every journey has to start somewhere.

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Credits: Near Term Space Colonization 
Episode 410, August 31, 2023
Produced & Narrated by: Isaac Arthur

Written by:
Isaac Arthur
Jason Snyder

Editors:
David McFarlane

Near Term Space Colonization (Narration Only)

Many millennia from now we may have journeyed out to colonize billions and billions of planets in our galaxy, but every journey has to start somewhere.

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Credits: Near Term Space Colonization 
Episode 410, August 31, 2023
Produced & Narrated by: Isaac Arthur

Written by:
Isaac Arthur
Jason Snyder

Editors:
David McFarlane

Music Courtesy of: 
Epidemic Sound http://epidemicsound.com/creator
Stellardrone, "Red Giant" "Ultra Deep Field"
Sergey Cheremisinov, "Labyrinth" "Forgotten Stars"
Taras Harkavyi, "Alpha and ..."
Miguel Johsnon, "So Many Stars"

Near Term Space Colonization

Our monthly livestream Q&A session recorded on 57: August 27, 2023 at 4pm EST.

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