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Life on Generation Ships: A Journey Through the Stars Across Centuries

In this video, we explore one of the most fascinating concepts in interstellar travel: **generation ships**, massive spacecraft that would carry human civilizations across the stars, with journeys lasting hundreds or even thousands of years. As humanity dreams of traveling beyond the solar system, the idea of generation ships offers a possible solution to the immense distances between stars—a journey that could span multiple human lifetimes.

Join us as we dive deep into the science, challenges, and philosophical questions surrounding these massive space-faring habitats.

What you’ll learn in this video:

**The Structure and Design of a Generation Ship**: Discover how these spacecraft could be built to support life for centuries, from creating artificial gravity to maintaining a self-sustaining ecosystem. We’ll explore the futuristic technologies, such as nuclear fusion engines and advanced life support systems, that could make these ships possible.

**Daily Life Aboard a Generation Ship**: What would day-to-day life look like on a ship traveling through deep space for centuries? We’ll talk about the work, education, and entertainment that would keep future generations engaged. How would people handle the psychological strain of never seeing Earth or their final destination?

**Society and Governance**: How would politics and society evolve in the isolated, confined world of a generation ship? We explore the potential for new social structures, systems of governance, and the ethical dilemmas surrounding generations born aboard who may have never chosen this life.

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Abstract: Presenting a cutting-edge discovery on the mechanisms by which immune cells influence health and disease at the later stages of cerebral ischemic stroke

Here, Chuan Qin & team use complementary models in experimental ischemic stroke, showing early post-stroke stages in which microglia recruit B cells into ischemic lesions through MIF/CD74/CXCR4, while later stage post-stroke effects involve interferon signaling in B cells that drives neuroinflammation and brain injury:

The image shows B lymphocytes (Green) in mouse dura tissue colocalizing with CD31+ blood vessels (Red).

1Department of Neurology, Tongji Hospital, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases;

2Key Laboratory of Vascular Aging, Ministry of Education, Tongji Hospital of Tongji Medical College; and.

3Hubei Key Laboratory of Neural Injury and Functional Reconstruction, Huazhong University of Science and Technology, Wuhan, Hubei, China.

Andrew Yang: UBI Before UHI

Solving Job Loss, and the Future of Work ## Andrew Yang advocates for the implementation of Universal Basic Income (UBI) as a necessary solution to address job loss, income inequality, and societal unrest caused by technological advancements and AI-driven changes in the economy ## ## Questions to inspire discussion.

Universal Basic Income Implementation.

🔹 Q: What UBI amount should be set to provide an effective safety net?

A: UBI should be set at twice the poverty level, around $25,000 per person per year, providing enough for survival but not happiness to maintain work incentives while protecting against economic collapse.

🔹 Q: How can UBI be funded without government action initially?

A: Well-resourced tech billionaires could fund UBI directly to local communities to keep the middle class afloat during AI-driven changes, potentially catalyzing further philanthropy and government action.

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Eye tracking and brain signals reveal how some skills become second nature

Expertise isn’t easy to pass down. Take riding a bike: A seasoned cyclist might talk a beginner through the basics of how to sit and when to push off. But other skills, like how hard to pedal to keep balanced, are more intuitive and harder to articulate. This implicit know-how is known as tacit knowledge, and very often, it can only be learned with experience and time.

But a team of MIT engineers wondered: Could an expert’s unconscious know-how be accessed, and even taught, to quickly bring a novice up to an expert’s level?

The answer appears to be “yes,” at least for a particular type of visual-learning task.

Mysteries of Math and the Langlands Program — Episode 1

The first in a series of 4 lectures by Edward Frenkel filmed at MSRI, Berkeley and broadcast on the Japanese TV channel NHK in the Fall of 2015 in the “Luminous Classroom” series. The lectures went from elementary topics such as Pythagoras theorem, prime numbers and symmetries to Fermat’s last theorem and the general Langlands conjectures, and to the recent work connecting the Langlands Program to Quantum Physics. Even though the Intro is in Japanese, the lecture itself is in English.

SRIC4 Newsletter #04 — What is Quality of Life?

What truly defines “Quality of Life” (QoL), and why we have titled the SRI IV World Congress on it?QoL is a broad concept, including all of the aspects of the life of us, human inhabitants of the third planet of this Solar System. Traditionally, we define QoL through the essentials—food, shelter, health, and education. These are the pillars of economic and cultural development, and they are non-negotiable. Yet, at Space Renaissance, we believe QoL aims higher. It is the freedom to pursue our highest ideals, to have a beautiful life, to explore spirituality, and to seek a global reduction in suffering. Interestingly, the perception of QoL varies wildly across our globe today. The Western post-industrial societies are often clouded by a lack of confidence and a fading hope for what lies ahead. The Eastern emerging societies, fueled by rapid industrial growth, look toward the horizon with immense anticipation. If we could measure QoL through the lens of hope, these emerging societies might actually outrank the West. Why? Because the belief that one is part of a “great project”—one that glorifies human intelligence and potential—is the ultimate antidote to social suffering.

Whether we progress or regress, fall into crisis or rise in a renaissance, it all depends on the mass-psychological mood of the people. When survival is secured, and economic growth creates opportunities for all, social fear dissolves. And as John Lennon famously sang, when fear fades, we finally “give peace a chance.”

We align ourselves with this progressive spirit, like a modern Promethean manifesto. However, we must be realistic: this hope has an expiration date. Without the launch of civil space development by 2030, the “closed world” will inevitably reach its limits. Eastern hopes will be dashed, and Western lifestyles will suffer a sharp decline.

Finally Released! The James Webb Telescope Has Found The Object That Holds Our Universe Together

#jameswebbspacetelescope #jwst.
Finally Released! The James Webb Telescope Has Found The Object That Holds Our Universe Together.

Containing nearly 800,000 galaxies, this image from NASA’s James Webb Space Telescope is overlaid with a map of dark matter, represented in blue. Researchers used Webb data to find the invisible substance via its gravitational influence on regular matter.

You see, Scientists using data from NASA’s James Webb Space Telescope have made one of the most detailed, high-resolution maps of dark matter ever produced. It shows how the invisible, ghostly material overlaps and intertwines with “regular” matter, the stuff that makes up stars, galaxies, and everything we can see.

Published Monday, Jan. 26, in Nature Astronomy, the map builds on previous research to provide additional confirmation and new details about how dark matter has shaped the universe on the largest scales — galaxy clusters millions of light-years across — that ultimately give rise to galaxies, stars, and planets like Earth.

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Teaching NeuroImage: Honeycomb Appearance of the Basal Ganglia Suggests Biallelic Nitrilase-1 Variants

The Letters section represents an opportunity for ongoing author debate and post-publication peer review. View our submission guidelines for Letters to the Editor before submitting your comment.

View the Letters for this article.

Jobs AI Will Never Replace, Study Finds

Which Careers Are Most At Risk from AI Impact.

Artificial intelligence is reshaping the global labor market, with white-collar workers, especially those with higher education, facing the highest risk of job displacement.

Routine and structured tasks in administration, customer service, translation, and content production are most vulnerable, while roles requiring empathy, creativity, or physical skill, such as doctors, teachers, and electricians, remain relatively protected.

By 2026, AI is expected to handle up to 75% of customer service interactions, while 40% of the global workforce will need reskilling. Governments and companies must prioritize training and social protection to prevent widening labor and social inequality.

CHAPTERS:
0:12 Safest Jobs.
0:37 AI-Proof Careers.
1:05 Jobs AI Cannot Replace.
1:49 Future-Proof Jobs.
2:26 Tech Job Market.
3:01 AI and Employment.
3:44 Most Secure Careers.
4:22 Jobs Safe from Automation.
4:59 Jobs Safe from Automation 2025
5:18 Artificial Intelligence Impact.
6:57 Stable Tech Careers.

Produced by: Samantha Harvey.

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UAT-10027 Targets U.S. Education and Healthcare with Dohdoor Backdoor

A previously undocumented threat activity cluster has been attributed to an ongoing malicious campaign targeting education and healthcare sectors in the U.S. since at least December 2025.

The campaign is being tracked by Cisco Talos under the moniker UAT-10027. The end goal of the attacks is to deliver a never-before-seen backdoor codenamed Dohdoor.

“Dohdoor utilizes the DNS-over-HTTPS (DoH) technique for command-and-control (C2) communications and has the ability to download and execute other payload binaries reflectively,” security researchers Alex Karkins and Chetan Raghuprasad said in a technical report shared with The Hacker News.

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