I talk about the science of Project Hail Mary and why it makes the story feel so grounded, exciting, and believable.
From microbes in space to the real challenges of long-duration space travel, this section looks at how the movie uses science as more than just background decoration. It also gets into why stories like this feel so refreshing right now, because they make curiosity, intelligence, and problem-solving feel dramatic again.
This is a conversation about the real science behind Project Hail Mary, what NASA’s work has to do with the movie, and why science fiction can still inspire wonder.
Today thanks to progress in medicine and science our generation may live longer than any previous one. There wasn’t better time to start taking care of our health than today. Future is amazing. To participate in it we must to take care of our health today.
Humanity may not colonize planets—we may build our own worlds. Explore how rotating space habitats could spread across the Solar System and beyond, forming a vast diaspora of artificial worlds that reshape civilization and interstellar expansion.
Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur. Watch my exclusive video Settling Saturn’s Rings: https://nebula.tv/videos/isaacarthur–… SFIA Merchandise: https://isaac-arthur-shop.fourthwall… 🌐 Visit our Website: http://www.isaacarthur.net ❤️ Support us on Patreon: / isaacarthur ⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-a… 👥 Facebook Group: / 1,583,992,725,237,264 📣 Reddit Community: / isaacarthur 🐦 Follow on Twitter / X: / isaac_a_arthur 💬 SFIA Discord Server: / discord Credits: The Space Habitat Diaspora – Humanity Spreads Without Planets Written, Produced & Narrated by: Isaac Arthur Graphics from Bryan Versteeg, Jeremy Jozwik, Sergio Botero, Udo Schroeter Select imagery/video supplied by Getty Images 0:00 Intro — Rethinking What a World Can Be 2:37 Why Habitats Win on Physics, Engineering… and Scalability 10:13 The Birth of a Habitat Civilization 14:54 Nebula 15:54 Life Without Planets: Cultures That Grow in Steel Valleys 18:59 Resilience: Fragile Shells, Immortal Civilizations 21:37 The True Diaspora: Leaving the Solar System.
🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall… 🌐 Visit our Website: http://www.isaacarthur.net. ❤️ Support us on Patreon: / isaacarthur. ⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-a… 👥 Facebook Group: / 1583992725237264 📣 Reddit Community: / isaacarthur. 🐦 Follow on Twitter / X: / isaac_a_arthur. 💬 SFIA Discord Server: / discord. Credits: The Space Habitat Diaspora – Humanity Spreads Without Planets. Written, Produced & Narrated by: Isaac Arthur. Graphics from Bryan Versteeg, Jeremy Jozwik, Sergio Botero, Udo Schroeter. Select imagery/video supplied by Getty Images.
0:00 Intro — Rethinking What a World Can Be. 2:37 Why Habitats Win on Physics, Engineering… and Scalability. 10:13 The Birth of a Habitat Civilization. 14:54 Nebula. 15:54 Life Without Planets: Cultures That Grow in Steel Valleys. 18:59 Resilience: Fragile Shells, Immortal Civilizations. 21:37 The True Diaspora: Leaving the Solar System.
A recent study provides proof of principle that a single genetic edit can overcome the effect of nonsense variants in different genes, akin to a one-size-fits-many model.
A quiet revolution is underway in modern medicine: Drug development is aiming to move from managing disease to correcting it through RNA and gene-editing therapies. But delivering these treatments safely and precisely to the right cells remains a major hurdle—especially in hard-to-target organs like the brain and kidneys.
Now, researchers led by a University of Ottawa Faculty of Medicine team offer highly compelling evidence that an elegant, nature-inspired solution lies in ultra-tiny, bubble-like structures called small extracellular vesicles (sEVs). These metabolic messengers, refined over millions of years of evolution, carry RNA—a nucleic acid that is a chemical cousin of DNA—and other molecules between cells.
In a nutshell, the research team’s new findings show that not all sEVs are alike: their cell of origin determines where they travel, with certain vesicles naturally targeting specific tissues in the body.
Percutaneous coronary intervention (PCI) for calcified lesions poses risks of major adverse cardiac events (MACE), increased radiation exposure, and contrast use for patients.
Predictors of major adverse cardiac events, high radiation exposure, and contrast use in percutaneous coronary interventions for calcified lesions.
