Oceanic Moons

Oceanic Moons

Go to https://brilliant.org/IsaacArthur/ to get a 30-day free trial and 20% off their annual subscription. The galaxy has many stars orbited by many planets, and many of these are orbited by immense icy moons, but could others have oceans on their surface, or even...

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Space Hygiene

Space Hygiene

In order to survive and thrive in space, we have to be able to create and maintain clean and comfortable living spaces, and remain vigilant nothing disease or virus reaches Earth. Watch my exclusive video Ultra-Relativistic Spaceships:...

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Ammonia-Based Lifeforms

Ammonia-Based Lifeforms

Get a free bag of fresh coffee with any Trade subscription at https://www.drinktrade.com/isaacarthur Our search for extraterrestrial life assumes alien life based on water and carbon, but could there be biochemistries based on other substances? NSS Townhall...

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Aliens Beyond the Galactic Rim?

Aliens Beyond the Galactic Rim?

Worlds far from the Galactic Core are thought to be low in many important elements for life, but some new research calls that into doubt, indicating that the ancient old worlds of the galactic rim might harbor alien life. See our episode The Fermi Paradox: The...

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Life in 2323 A.D.

Life in 2323 A.D.

The first 1,000 people to use the link will get a 1 month free trial of Skillshare https://skl.sh/isaacarthur06237 What will life be like 300 years in our future, or for those living 300 million miles away? Visit our Website: http://www.isaacarthur.net Join Nebula:...

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Coexistence with Aliens

Coexistence with Aliens

One day we may encounter intelligent aliens, but can we ever hope to understand their psychology and coexist with them if we do? Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video on Space Freighters:...

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Life on Giant Moons

Life on Giant Moons

🌏 Get Exclusive NordVPN deal here ➼ https://nordvpn.com/isaacarthur It’s risk-free with Nord’s 30-day money-back guarantee! ✌ We often contemplate life on alien planets, but might giant moons orbiting distant immense worlds be a better candidate for where...

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Alien Environments

Alien Environments

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. Among the uncounted stars in this Universe there may be unnumbered strange new worlds, many of which may have environments...

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Synthetic Life

Synthetic Life

Sign up for a Curiosity Stream subscription and also get a free Nebula subscription (the streaming platform built by creators) here: https://curiositystream.com/isaacarthur We often discuss cybernetic, genetic engineering, artificial intelligence, and hybrids of them,...

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Super-Earths

Super-Earths

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. As we find more and more exoplanets, we glimpse enormous "Super Earths" worlds more massive than our own. Could these harbor...

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The Fermi Paradox: Drake’s Equation

The Fermi Paradox: Drake’s Equation

Get a free month of Curiosity Stream: https://curiositystream.com/isaacarthur Drake's Equation lies at the core of the Fermi Paradox and SETI, the Search for Extra-Terrestrial Intelligence, but is it a good guide in our search for aliens, and what does modern...

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The Fermi Paradox: The Phosphorus Problem

The Fermi Paradox: The Phosphorus Problem

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 genesis and origin of life may require a very rare and delicate mixture of certain chemicals. One of those is phosphorus,...

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