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Single-Cell Sequencing Reveals Epigenetic Remodeling in White Adipose Tissue of Obese Mice and Humans

2025-04-17
Single-Cell Sequencing Reveals Epigenetic Remodeling in White Adipose Tissue of Obese Mice and Humans

This study employed single-cell RNA sequencing (snRNA-seq), CUT&TAG, and ATAC-seq to investigate white adipose tissue (WAT) in obese mice and humans, revealing significant alterations in the epigenetic landscape of WAT cell types during weight loss. A portion of gene expression changes persisted, suggesting an epigenetic memory mechanism of obesity. Researchers analyzed samples from three independent human studies (MTSS, LTSS, and NEFA) and a diet-induced obesity mouse model. Multi-omics analysis revealed changes in WAT cell types and their association with metabolic function.

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(www.nature.com)
AI white adipose tissue

RL's GPT-3 Moment: The Rise of Replication Training

2025-07-13
RL's GPT-3 Moment: The Rise of Replication Training

This article predicts a forthcoming 'GPT-3 moment' for reinforcement learning (RL), involving massive-scale training across thousands of diverse environments to achieve strong few-shot, task-agnostic abilities. This requires unprecedented scale and diversity in training environments, potentially equivalent to tens of thousands of years of 'model-facing task time'. The authors propose a new paradigm, 'replication training,' where AIs duplicate existing software products or features to create large-scale, automatically scoreable training tasks. While challenges exist, this approach offers a clear path to scaling RL, potentially enabling AIs to complete entire software projects autonomously.

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(www.mechanize.work)
AI Replication Training

The File Is Dead: Long Live the Database

2025-07-17
The File Is Dead: Long Live the Database

Recent data breaches, like the UK Ministry of Defence incident, highlight the persistent problem of file-based data sharing. The author argues this outdated practice stems from a deeply ingrained 'file' mentality, incompatible with modern collaboration tools and database technology. The piece calls for abandoning file sharing in favor of database-centric data management for improved security and efficiency. It uses the analogy of a car designed to carry hay to illustrate how modern computing remains stuck in the past.

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(shkspr.mobi)
Tech

Blast from the Past: A Catalog of 80s BASIC Games

2025-04-22
Blast from the Past: A Catalog of 80s BASIC Games

This article presents a fascinating list of BASIC games from the 1980s, spanning various computer systems like BASIC-PLUS, EduSystem, DECsystem 10, and HP. From simple number guessing games (Acey-Ducey, Bagles) to complex strategy games (Gomoko, Civil War) and simulations (HMRABI, KING), the variety showcases the creativity and ingenuity of programming during that era. These games, simple yet engaging, are sure to evoke nostalgia in many.

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(github.com)
Game BASIC programming 80s games

Chrome for Android Finally Gets a Bottom Address Bar

2025-06-25
Chrome for Android Finally Gets a Bottom Address Bar

Google has finally added a much-requested feature to Chrome for Android: a bottom address bar. Users can now move the address bar, tab switcher, and other shortcuts to the bottom of the screen, making one-handed use much easier. The update is optional, allowing users to choose between top and bottom placement in settings. The rollout begins today and will reach all users in the coming weeks. iOS users gained this feature in 2023.

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(9to5google.com)
Development Bottom Address Bar

Android 15: 16KB Memory Pages – A Performance Upgrade

2025-07-15
Android 15: 16KB Memory Pages – A Performance Upgrade

Android is transitioning to 16KB memory page sizes from the traditional 4KB, boosting performance on ARM CPUs. Starting November 1st, 2025, new apps and updates with native C/C++ code targeting Android 15+ must support 16KB pages. This change promises faster app launches (up to 30% for some), improved battery life, quicker camera starts, and speedier system boot times. Android Studio offers tools like APK Analyzer and alignment checks to help developers identify and fix compatibility issues. Developers need to recompile native code and avoid hardcoding 4KB page size assumptions. Emulator and certain devices support 16KB testing.

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(android-developers.googleblog.com)
Development 16KB Pages

Frustration Tolerance: The Key to Surviving Large Organizations

2025-01-20
Frustration Tolerance: The Key to Surviving Large Organizations

In large organizations, ambitions often clash with reality. This article explores 'frustration tolerance,' a crucial factor determining success in navigating organizational complexities, conflicts, and slow progress. High frustration tolerance enables individuals to view challenges as manageable, while low tolerance leads to giving up, negativity, and burnout. Four root causes of low frustration tolerance are identified: demands for comfort, fairness, achievement, and emotional control. Reframing organizational friction as a catalyst for innovation allows for developing higher frustration tolerance and thriving in complex environments.

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(www.leadingsapiens.com)
Development Leadership Organizational Behavior Frustration Management

Firefox Delivers Tab Groups Based on 4,500+ Community Requests

2025-04-29
Firefox Delivers Tab Groups Based on 4,500+ Community Requests

Firefox's new tab groups feature is a direct result of over 4,500 user requests on Mozilla Connect. This highly requested feature allows users to group browser tabs for better organization and management of numerous open pages. The development process highlights the power of community feedback, with the Firefox team actively listening to user suggestions and iterating through beta testing. The final feature balances flexibility and ease of use. Looking ahead, Firefox is exploring AI-powered smart tab groups for even more efficient tab management.

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(blog.mozilla.org)
Development Tab Groups Community Feedback

Google's AI Mode Search Engine Goes Public Beta

2025-05-01
Google's AI Mode Search Engine Goes Public Beta

Google is rolling out its AI Mode search engine to a small percentage of US users. This AI-powered search will answer queries with AI-generated responses based on Google's index, unlike traditional search results. Positioned prominently in the search tab, AI Mode competes with similar offerings from Perplexity and OpenAI. Google has removed the waitlist and added features such as saved searches and clickable cards for products and places, enhancing user experience.

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(www.theverge.com)
AI

IBM's PC: An Open Secret to its Downfall?

2025-09-14
IBM's PC: An Open Secret to its Downfall?

Launched in 1981, the IBM PC quickly set the standard for personal computing. However, the PC wasn't entirely an IBM creation; key components like the CPU and OS came from Intel and Microsoft respectively. This openness fueled the PC's success, but also sowed the seeds of IBM's downfall. While IBM controlled the BIOS and manufacturing, it lacked control over the PC ecosystem. Ultimately, IBM sold its PC business to Lenovo in 2005. This article argues that IBM's failure wasn't due to its open approach, but rather a strategic underestimation and internal cultural resistance towards the PC, coupled with a failure to leverage its strengths, leading to the loss of market dominance.

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(thechipletter.substack.com)
Tech

AI Coding Subscriptions vs. Top-Tier CPUs: A Productivity Showdown

2025-08-24

While AI coding subscriptions like Cursor are all the rage, costing upwards of $500 annually, the author argues that investing in a high-performance CPU offers a superior return. A top-end CPU like the AMD Ryzen 9 9950X costs roughly the same but provides a dramatic performance boost, often exceeding a 10x improvement in compile times. Benchmarks comparing CPUs across generations highlight the significant productivity gains from superior hardware. The author concludes that businesses should prioritize high-performance hardware over solely relying on AI tools for productivity improvements.

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(blog.howardjohn.info)
Development

Bluesky Blocks Mississippi Users Over Age-Verification Law

2025-08-23
Bluesky Blocks Mississippi Users Over Age-Verification Law

Bluesky, a social networking startup, has opted to block access from Mississippi users rather than comply with a new state law mandating age verification for all users. Citing resource constraints and concerns about the law's broad scope and privacy implications, Bluesky argues the required technical changes are too extensive for its small team. The company highlights the law's potential to stifle innovation and disproportionately harm smaller platforms. This decision affects only the Bluesky app built on the AT Protocol; other apps may choose a different course of action.

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(techcrunch.com)
Tech

Desert Miracle: An American's Return After 26 Years

2025-07-25
Desert Miracle: An American's Return After 26 Years

In 1999, Robert Bogucki embarked on a solo trek into Australia's Great Sandy Desert, triggering a massive international rescue effort. Twenty-six years later, he returns to meet the people who saved him, revisiting a story of survival, cultural exchange, and spiritual questioning. Bogucki's deliberate journey sparked controversy, but his reunion with Aboriginal trackers reveals a powerful story of reconciliation and a deeper understanding of life's purpose.

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(www.abc.net.au)
Misc survival story spiritual journey

Building a 2FA App That Notifies You of Cool Number Sequences

2025-03-14
Building a 2FA App That Notifies You of Cool Number Sequences

Inspired by the nostalgic "GET" meme from early image boards, the author built an app that leverages the patterns in 2FA codes. The app generates 6-digit 2FA codes and sends push notifications when interesting number sequences (like repeating digits or consecutive numbers) appear. The article details the development process, from implementing the TOTP algorithm and scheduling notifications to UI design and performance optimization using Combine and Metal shaders. Challenges included handling background processes and efficient code generation. The final app is released, with future plans for performance improvements and additional features.

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(blog.jacobstechtavern.com)
Development two-factor authentication

VIM Master: A Lightweight Browser-Based Vim Tutor

2025-08-28
VIM Master: A Lightweight Browser-Based Vim Tutor

VIM Master is a lightweight, browser-based game that teaches core Vim motions and editing commands through short, focused levels. No installation is needed—just open index.html and start practicing. Features include normal/insert modes, a command log, level validation, and undo/redo support. It supports a wide range of Vim commands and numeric counts. A challenge mode tests command recall under time pressure. Built with plain HTML, CSS, and JS, it's lightweight, dependency-free, and perfect for quickly learning essential Vim skills.

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(github.com)
Game

Microplastics Linked to Alzheimer's-Like Symptoms in Mice Study

2025-09-20
Microplastics Linked to Alzheimer's-Like Symptoms in Mice Study

A new study from the University of Rhode Island College of Pharmacy reveals a concerning link between microplastics and cognitive decline. Researchers exposed genetically modified mice (carrying the APOE4 gene, a strong Alzheimer's risk factor) to microplastics in their drinking water. The results showed that mice exposed to microplastics exhibited cognitive impairment, with males showing increased apathy and females demonstrating memory deficits, mirroring sex-dependent differences seen in human Alzheimer's patients. This research highlights the potential dangers of microplastic exposure and underscores the need for further investigation and regulation.

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(www.uri.edu)
Tech environmental toxins

Automattic Halts Tumblr's Migration to WordPress

2025-07-01
Automattic Halts Tumblr's Migration to WordPress

Automattic CEO Matt Mullenweg announced that the plan to migrate Tumblr's backend to WordPress is on hold. The plan, announced last year to simplify cross-platform sharing for Tumblr's half-billion blogs, is being paused to prioritize user-facing improvements. While the migration is currently stalled, Mullenweg hasn't ruled it out entirely. This also means Tumblr posts won't be readily available on the fediverse in the near future. While WordPress.com has an ActivityPub plugin, migrating Tumblr to WordPress would have provided a simpler path to fediverse integration. For now, Automattic plans to implement fediverse support directly within the Tumblr codebase.

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(www.theverge.com)
Tech

Saudi Arabia's Futuristic 'The Line' City Faces Major Setbacks

2025-07-15
Saudi Arabia's Futuristic 'The Line' City Faces Major Setbacks

Saudi Arabia's ambitious plan to build a futuristic 170km-long city, 'The Line,' a key part of the Neom megaproject, is facing significant challenges. The Public Investment Fund (PIF) has commissioned consultants to review the project's feasibility, following reports of substantial downsizing. The initial goal of 1.5 million residents by 2030 has reportedly been slashed to under 300,000, with only a small portion of the city expected to be completed by then. This reflects broader difficulties faced by Saudi Arabia's Vision 2030 projects due to high costs and falling oil prices, casting doubt on the future of 'The Line'.

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(www.middleeasteye.net)
Tech The Line

The Embodied Alphabet: From Renaissance Humanism to Pedagogical Commentary

2025-02-13
The Embodied Alphabet: From Renaissance Humanism to Pedagogical Commentary

Typographic characters have long been linked to the human form. Renaissance figures like Luca Pacioli and Geoffroy Tory used human anatomy as a basis for letter proportions, as seen in Peter Flötner's 1534 woodcut 'Menschenalphabet'. Later works, such as 'The Comical Hotch Potch' (1782), shifted the focus, using the alphabet to subtly comment on the character-forming aspects of education, depicting figures comically contorting themselves to mimic letter shapes.

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(publicdomainreview.org)
Design Renaissance human body

Giant Gullies Swallowing African Cities

2025-08-31
Giant Gullies Swallowing African Cities

Massive gullies are opening up in African cities, swallowing homes and businesses, displacing hundreds of thousands. A new study reveals that an average of 118,600 people in the Democratic Republic of Congo alone were displaced between 2004 and 2023 due to these expanding fissures. The problem stems from a combination of natural and human factors—cities built on sandy soils with inadequate drainage systems, leading to erosion during heavy rains. Unless urgent action is taken, millions more could be displaced in the next decade. Researchers urge increased investment in improved drainage, sustainable infrastructure, and community engagement to find effective and long-term solutions.

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(www.scientificamerican.com)
Misc natural disasters

A Guide to Traveling Stateless: Tips and Tricks

2025-04-02
A Guide to Traveling Stateless: Tips and Tricks

This guide offers advice for stateless individuals traveling internationally. It emphasizes the importance of visiting embassies in person, securing visas through business contacts, sticking to reliable airlines and hotels, dressing appropriately, preparing thoroughly before immigration, and maintaining a calm and polite demeanor. The author shares personal experiences and disclaims legal responsibility.

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(taejun.substack.com)
Misc stateless

Home Assistant: A Kernel Dev's Journey to Smart Home Freedom

2025-05-17

A kernel developer recounts their experience using Home Assistant, an open-source home automation system, to manage their smart home. The article details how Home Assistant solved real-world problems: replacing a defunct solar panel monitoring system after SunPower's bankruptcy, creating virtual sensors to calculate home energy consumption using 'Helpers', locally controlling Mitsubishi heat pumps without cloud dependency, and using a Refoss power monitor to precisely track appliance energy usage and diagnose issues. Home Assistant offers complete control but requires a technical learning curve.

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(lwn.net)
Development

A Deep Dive into Static Single Assignment (SSA) Compiler Optimizations

2025-02-11
A Deep Dive into Static Single Assignment (SSA) Compiler Optimizations

This article chronicles the decades-long evolution of Static Single Assignment (SSA) compiler optimization techniques. From the early papers on code motion and global value numbering, through Cytron's seminal work on minimizing phi instructions, to Brandis and Mössenböck's single-pass generation approach, and Click and Paleczny's Sea of Nodes IR, the article traces several key papers and discusses their strengths and weaknesses. It also touches upon Appel's work on the relationship between functional programming and SSA, Aycock and Horspool's iterative phi node removal, and more recent approaches based on abstract interpretation. The article concludes with a list of further papers and resources, providing a more comprehensive perspective for readers interested in learning more about SSA.

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(bernsteinbear.com)
Development static single assignment

Fruit Fly Gyroscopes: Unveiling the Internal Architecture of Flight Stabilizers

2025-06-15
Fruit Fly Gyroscopes: Unveiling the Internal Architecture of Flight Stabilizers

Spanish researchers have discovered that the fruit fly's haltere, a gyroscopic organ essential for flight stability, is not hollow. Its unique shape arises from an intricate internal cellular structure acting like architectural supports. These structures connect via cellular projections and a protein matrix (laminin and collagen), creating an internal tension system that counteracts external forces and maintains the haltere's shape. Experiments with genetically modified fruit flies showed that disrupting this system leads to haltere deformation and impaired flight stability. This research not only reveals the developmental mechanism of the fruit fly haltere but also offers new insights for tissue engineering and biomimetic structure design.

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(phys.org)
Tech fruit fly flight

Gemini: A Simpler, More Private Internet Alternative

2025-09-14

Gemini is a new way to use the internet, distinct from the World Wide Web. It prioritizes simplicity, featuring text-based pages with minimal formatting, avoiding complex programs and distracting ads. Gemini emphasizes human scale, encouraging individual and small-team development, and offers enhanced privacy protection with independent and encrypted requests. The article details installing Gemini clients on various platforms, finding content (blogs, directories, search engines), and publishing content (using third-party apps and shared hosting). Gemini aims for a purer, less distracting online experience.

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(geminiquickst.art)
Tech

Anthropic's Claude Code SDK: Powering AI-Driven Coding Assistants

2025-05-19

Anthropic has released the Claude Code SDK, enabling developers to integrate Claude Code into their applications and build AI-powered coding assistants. The SDK currently supports command-line usage, with TypeScript and Python SDKs coming soon. It offers features like multi-turn conversations, custom system prompts, and MCP configuration for extending functionality via external servers. The SDK provides text, JSON, and streaming JSON output formats, along with best practices for error handling, session management, and rate limiting. A real-world example is the Claude Code GitHub Actions, which automates code review and more.

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(docs.anthropic.com)
Development

Easy Bypass for Windows 11's Microsoft Account Requirement

2025-04-03
Easy Bypass for Windows 11's Microsoft Account Requirement

Microsoft is pushing for Microsoft account usage in Windows 11, but a newly discovered trick makes bypassing it easy. Previously, Microsoft removed the 'BypassNRO.cmd' script, but registry edits still worked. Now, a simpler method exists: during Windows 11 setup, press Shift+F10 to open a command prompt, type "start ms-cxh:localonly", and press Enter to create a local account, skipping the Microsoft account login. This method, being directly integrated into the system, is likely harder for Microsoft to remove than the previous script-based approach.

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(www.bleepingcomputer.com)
Development Local Account

Cloudflare's Signed Agents: A Path to a Closed Web?

2025-08-29
Cloudflare's Signed Agents: A Path to a Closed Web?

Cloudflare's new "signed agents" system, pitched as a safety measure, is argued to be a dangerous path towards a closed web. The system functions like an allowlist, deciding which agents can access the web, contradicting the open nature of the internet. The author advocates for open, portable, and company-independent authentication based on verifiable chains of delegation and request-level proof, rather than a single company's control. The article draws parallels to historical events, highlighting how open standards consistently beat closed plugins, and calls for an open, verifiable, and decentralized authentication system to manage the increasing number of web agents, ensuring the openness and innovation of the internet. The author even offers to open-source a first cut of their proposed solution.

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(positiveblue.substack.com)
Tech open standards

Ex-Dev Imprisoned for Sabotaging Ex-Employer's Network with Kill Switch

2025-08-22
Ex-Dev Imprisoned for Sabotaging Ex-Employer's Network with Kill Switch

Davis Lu, 55, was sentenced to four years in prison for sabotaging his former employer's Windows network. After being terminated, Lu activated malicious code he'd secretly embedded, causing system crashes and locking out thousands of users via a kill switch. He also deleted encrypted data from his company laptop. The act resulted in significant financial losses for the Ohio-based company. He was found guilty of intentionally damaging protected computers and will serve three years of supervised release following his prison sentence.

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(www.bleepingcomputer.com)
Development
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