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Ancient Genomes Solve Indo-European Language Origins Mystery

2024-12-28

Ancient Genomes Solve Indo-European Language Origins Mystery

A groundbreaking study involving 91 researchers analyzed 314 ancient genomes, finally unraveling the mystery of Indo-European language origins. The research revealed a significant genetic divergence between eastern and western Mediterranean Indo-European populations during the Bronze Age, consistent with Italo-Celtic and Graeco-Armenian linguistic models. Spanish, French, and Italian populations received steppe ancestry from Bell Beaker groups, while Greek and Armenian groups acquired ancestry directly from Yamnaya populations. Strontium isotope analysis further confirmed active mobility patterns during the Bronze Age. This study provides compelling genetic and linguistic evidence for the origins of Indo-European languages and challenges alternative linguistic hypotheses.

(phys.org)

Tech genomics Indo-European languages

Big Tech's New Power: US Intel Agencies Embrace Corporate Partnerships

2025-01-27

Big Tech's New Power: US Intel Agencies Embrace Corporate Partnerships

A new directive from US intelligence agencies reveals a deepening partnership with major tech corporations, even at the risk of compromising security. This underscores the immense power wielded by tech giants, whose influence now surpasses many nation-states, forcing intelligence agencies to rely on them for information. The directive authorizes the sharing of classified information and streamlines cooperation, raising concerns about power imbalances and potential misuse of information by corporations. The article argues this marks a significant shift of power towards Big Tech.

(www.kenklippenstein.com)

Tech Intelligence Cooperation

Let Users Help Solve Their Own Transit Problems: Beyond Algorithmic Route Planning

2025-01-16

The author criticizes current map apps for relying solely on algorithms to plan public transit routes, neglecting user needs and expertise. He proposes allowing users to customize route options, such as specifying particular bus route combinations, and including these in route planning comparisons. This mirrors the "report spam" and "not spam" functions of email filters, improving algorithms through user feedback. Despite privacy concerns, user participation could enhance route accuracy and user satisfaction, ultimately improving algorithms. The ability for users to add their own route combinations, even without sharing data, would be a significant improvement.

(boredzo.org)

Development public transit

arXivLabs: Experimental Projects with Community Collaborators

2025-03-01

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on the website. Individuals and organizations involved embrace arXiv's values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners who adhere to them. Have an idea to enhance the arXiv community? Learn more about arXivLabs.

(arxiv.org)

Development

Datasaurus Dozen: Exposing Statistical Pitfalls

2024-12-17

Thirteen datasets, nearly identical simple descriptive statistics, yet wildly different distributions and visualizations! This is the fascinating Datasaurus Dozen. Comprising a dinosaur-shaped dataset and twelve others with varying forms, they all share almost identical means, variances, and correlations. This powerfully demonstrates the danger of relying solely on basic descriptive statistics; visualization is crucial. The Datasaurus Dozen serves as a cautionary tale, urging data analysts to prioritize visualization before analysis to avoid misleading conclusions.

(en.wikipedia.org)

AI statistical analysis data traps

Rust's `#[derive]` Macro Limitations and Workarounds

2025-07-08

Rust's `#[derive]` macro, when generating implementations for traits like `Clone`, requires all generic parameters to also implement `Clone`. This limits its applicability. The article analyzes two examples showing why this restriction prevents code from compiling. The author proposes two solutions: submitting an RFC to change compiler behavior, and writing a custom macro to circumvent the limitation. The author opts for the latter, planning to implement more flexible derive macros in the `derive_more` crate or a self-created crate to address this issue.

(rgbcu.be)

Development

Blue95: A Nostalgic 90s Desktop Experience

2025-03-30

Blue95: A Nostalgic 90s Desktop Experience

Blue95 offers a lightweight desktop experience reminiscent of the 1990s, built on Fedora Atomic Xfce with the Chicago95 theme. While the included installer is still in alpha, the recommended installation method is rebasing from another Fedora Atomic desktop, such as winblues/vauxite. Blue95 prioritizes usability and accessibility over exact replication of older operating systems, incorporating improvements from Universal Blue (codecs, automatic updates, etc.) for a better out-of-the-box experience. A live ISO is also available for testing without installation.

(github.com)

Development Retro Desktop

Heat Accelerates Auto Chip Aging, Raising Safety Concerns

2024-12-18

Heat Accelerates Auto Chip Aging, Raising Safety Concerns

New research shows that automotive chips are aging significantly faster than expected in hot climates, shortening the lifespan of electric vehicles and potentially creating new safety issues. In areas like Phoenix, Arizona, where high temperatures can persist for weeks, cabin temperatures can reach 93°C, severely impacting chip longevity. Studies reveal that for a chip designed for a 30-year lifespan, high temperatures reduce life expectancy by an additional 10% annually. Chipmakers are working to address this, requiring new materials, design redundancy, and active cooling solutions. Increased chip utilization due to autonomous driving exacerbates the problem. Proactive monitoring and predictive failure analysis will become crucial, impacting both vehicle reliability and safety.

(semiengineering.com)

Hardware automotive chips aging high temperatures

Open-Source AI Video Starter Kit for Browser-Based Production

2025-01-23

Open-Source AI Video Starter Kit for Browser-Based Production

The open-source project video-starter-kit offers a browser-based toolkit for AI-powered video creation. Built with Next.js, Remotion, and fal.ai, it integrates AI models like Minimax, Hunyuan, and LTX, enabling browser-native video processing, multi-clip composition, audio track integration, voiceover support, and extended video duration handling. Developers can leverage ready-to-use UI components and TypeScript support for rapid AI video application development.

(github.com)

Development AI video

Sherlock Project: Hunt Down Social Media Accounts Across 400+ Networks

2024-12-25

The Sherlock Project is a powerful tool allowing users to search for social media accounts across 400+ networks using only a username. It's easy to get started with simple installation and usage instructions, and supports a wide range of sites. Community contributions are welcome, enabling users to add new sites and improve functionality.

(sherlockproject.xyz)

Development social media search account search Sherlock Project

Bypassing Windows Kernel Mitigations: A Deep Dive into Violet Phosphorus

2024-12-13

This post delves into bypassing modern Windows 10 and 11 kernel mitigations like SMEP and VBS. The author details Violet Phosphorus, a universal VBS/SMEP bypass technique, providing PoC code and a ROP chain. It explains SMEP and VBS, demonstrating how to exploit a vulnerability in the HackSysExtremeVulnerableDriver to use ROP gadgets and the MiGetPteAddress function to modify page table entries for kernel code execution. The author also shows how to use Kristal-G's SYSRET shellcode to return to user mode. This is a valuable resource for kernel exploit development and security researchers, categorized as Development.

(wetw0rk.github.io)

Development kernel exploit SMEP bypass VBS bypass

Beyond print debugging: 7 superpowers of debuggers

2025-09-10

Beyond print debugging: 7 superpowers of debuggers

Tired of endless print statements for debugging? This article unveils seven hidden advantages of debuggers: inspecting the entire call stack, dynamically evaluating expressions (like a REPL), precisely catching exceptions, altering execution flow without code changes, standardizing project setup, simplifying collaboration, and providing a smoother onboarding experience for new contributors. Debuggers are not just code tracing tools; they're powerful weapons for boosting development efficiency and code quality, leading you from tedious print debugging to efficient development.

(mahesh-hegde.github.io)

Development

Ted Chiang: Beyond Hard Sci-Fi, a Philosophical Deep Dive

2025-08-19

Ted Chiang: Beyond Hard Sci-Fi, a Philosophical Deep Dive

This review delves into the unique writing style of acclaimed science fiction author Ted Chiang. He transcends the typical 'hard' vs. 'soft' sci-fi dichotomy, crafting universes with internally consistent scientific laws that serve as vehicles for exploring profound philosophical questions and human relationships. Chiang uses science not as mere backdrop, but as a central driver of the narrative. For instance, in 'Story of Your Life,' the Sapir-Whorf hypothesis (language shaping thought) becomes key to understanding alien intelligence. The review praises Chiang's masterful portrayal of compatibilism (reconciling free will and determinism) while pointing out his relative weakness in depicting society's interaction with technology and a lack of diversity in his philosophical explorations.

(linch.substack.com)

Tech Ted Chiang

Humanoid Robot Steals the Show at Shanghai Fashion Week

2025-03-30

Humanoid Robot Steals the Show at Shanghai Fashion Week

Unitree Robotics' humanoid robot, Unitree G1, made a stunning debut at Shanghai Fashion Week, walking the runway alongside human models. The 127cm tall, 35kg robot, boasting 23-43 joint motors, showcased impressive flexibility and seamless interaction. The show wasn't just about the G1; Unitree's quadruped robot also appeared, adding an unexpected twist by standing on two legs and 'walking hand-in-hand' with the G1. This innovative collaboration between technology and fashion redefines artistic expression and hints at a future where intelligent machines play a significant role in creative storytelling.

(chinaminutes.com)

Tech Shanghai Fashion Week Unitree Robotics

AI Tools and Critical Thinking: A Study on Cognitive Offloading

2025-01-13

AI Tools and Critical Thinking: A Study on Cognitive Offloading

A mixed-methods study of 666 participants reveals a significant negative correlation between frequent AI tool use and critical thinking skills, mediated by cognitive offloading. Younger participants showed higher AI tool dependence and lower critical thinking scores compared to older participants. The study highlights the potential cognitive costs of relying on AI, offering recommendations for educational strategies to mitigate its negative effects on critical thinking.

(www.mdpi.com)

AI Critical Thinking Cognitive Offloading

The VUS Problem in Genetic Testing: Can AI Provide a Solution?

2025-08-17

The VUS Problem in Genetic Testing: Can AI Provide a Solution?

Genetic testing has advanced rapidly, but the interpretation of 'variants of unknown significance' (VUS) remains a major challenge in clinical genetics. VUS, genetic variations with unclear health implications, cause significant patient anxiety. This article explores strategies to tackle the VUS problem, focusing on multiplexed assays of variant effect (MAVE) to generate large functional datasets and leverage AI to improve prediction tools. While a complete solution remains elusive, MAVE and AI offer hope for precision medicine, promising to greatly enhance the diagnostic accuracy of genetic testing in the future.

(stetson.substack.com)

AI variants of unknown significance

Byte-Equivalent Decompilation of GPL-Violating Devices: A Genetic Programming Approach

2025-09-12

This post explores the challenging problem of byte-equivalent decompilation of a Linux kernel binary from a GPL-violating device, aiming to recover the equivalent C code. The author proposes a genetic programming-based optimization approach to find a "perfect" solution, not just a "good enough" approximation. Challenges include generating the initial population, representing C code (using ASTs), representing the binary code (disassembly or IR), and improving the readability of the resulting C code. The author argues that population-based metaheuristics like genetic algorithms are better suited for this complex problem than single-point search heuristics. This is a long-term research project requiring deep understanding of decompilation techniques, kernel code, and optimization algorithms.

(far.chickenkiller.com)

Development genetic programming

Graft: A Novel Edge Replication Engine for Strong Consistency and Partial Syncs

2025-04-02

Graft: A Novel Edge Replication Engine for Strong Consistency and Partial Syncs

Graft, an open-source transactional storage engine, tackles the challenges of data synchronization in edge computing environments. Unlike traditional full replication or schema-aware diffing, Graft employs a lazy, partial replication strategy that combines strong consistency guarantees, horizontal scalability, and object storage durability. It allows clients to sync data on demand, fetching only necessary data, and supports syncing from edge and offline devices. At its core is the Volume, a sparse, ordered collection of fixed-size Pages, with clients interacting through a transactional API. This makes Graft suitable for various use cases, including offline-first apps, cross-platform sync, and stateless multi-writer replicas.

(sqlsync.dev)

Development Database Replication

Remembering Matilda: The Last Survivor of the Transatlantic Slave Trade

2025-01-16

Remembering Matilda: The Last Survivor of the Transatlantic Slave Trade

This article recounts the life of Matilda McCrear, the last known survivor of the Clotilda, the final ship to transport enslaved Africans to America. Kidnapped from West Africa in 1859, Matilda endured the horrors of slavery and the injustices of Reconstruction. Despite her unsuccessful legal claim for compensation, her story powerfully illuminates the brutality of this dark chapter in history and the enduring struggle for racial equality.

(www.aljazeera.com)

Misc slavery racial injustice American history

50 Lessons Learned Building Successful Products: Insights from Product for Engineers

2025-03-05

50 Lessons Learned Building Successful Products: Insights from Product for Engineers

Celebrating 50k subscribers, Product for Engineers shares 50 key lessons on building successful products. The article emphasizes the importance of small, autonomous teams, high hiring standards, building trust and transparency, and relying on trust and feedback over process. It also covers defining your Ideal Customer Profile (ICP), creating product principles, website design, rapid iteration, agile development, effective communication, clear ownership, user interviews, user support, dogfooding, A/B testing, growth engineering mindset, data analytics, and achieving product-market fit, offering valuable insights for product managers and engineers.

(newsletter.posthog.com)

Development

Unlocking New Colors: Laser Stimulation of Cone Cells

2025-07-21

Unlocking New Colors: Laser Stimulation of Cone Cells

A study used laser pulses to selectively stimulate cone cells in the retina, claiming to allow people to see unprecedented colors. While the study lacks detailed subject reports, an optical illusion animation seems to produce a similar effect. The animation saturates red cones with a red circle, highlighting green cone activity and producing an intense blue-green. However, due to overlapping cone spectra and screen display limitations, whether this approach reveals colors beyond the normal human color gamut remains questionable.

(dynomight.net)

Tech optical illusion cone cells

The Weird Parsing Rules of HTML `<script>` Tags and Escaping JSON

2025-08-09

This article delves into the often-unintuitive parsing rules of HTML's `` tags, which can surprisingly break web pages. It explains how browsers enter different states (script data, script data escaped, script data double escaped) while parsing content within `<script>` tags. Entering the 'script data double escaped' state prevents the closing `` tag from working correctly, leading to broken page rendering. The article recommends using `json_encode($data, JSON_HEX_TAG | JSON_UNESCAPED_SLASHES)` (or similar) to escape `<` and `>` characters in JSON strings, thereby avoiding the 'script data double escaped' state and ensuring correct page rendering.

(sirre.al)

Development

BMW's 'Heart of Joy': Redefining Driving Pleasure in the Electric Era

2025-02-17

BMW's 'Heart of Joy': Redefining Driving Pleasure in the Electric Era

BMW is developing a central computing unit called the "Heart of Joy" to revolutionize the electric driving experience. This small, eight-inch black box integrates driving dynamics and powertrain control, powering BMW's upcoming Neue Klasse electric vehicles. Unlike most manufacturers, BMW developed it in-house, enabling finer control over vehicle performance, improved braking efficiency and stability, faster response times, and lower maintenance costs. The Heart of Joy stems from BMW's reimagining of driving pleasure in an electrified future, aiming to differentiate its EVs and reduce reliance on global supply chains.

(www.theverge.com)

Tech BMW Central Computing Unit

Generative AI's Ghost in the Machine: Copilot Leaks Private GitHub Repos

2025-02-26

Generative AI's Ghost in the Machine: Copilot Leaks Private GitHub Repos

Israeli cybersecurity firm Lasso discovered that even briefly public GitHub repositories can be cached long-term by generative AI chatbots like Microsoft Copilot. Over 20,000 once-public repositories from major companies including Microsoft, Amazon, and Google are affected. Even after being set to private, Copilot can access their contents via Bing's caching mechanism, exposing sensitive data such as keys and tokens. Lasso notified affected companies, but Microsoft initially classified the issue as "low severity." While Microsoft disabled Bing cache links, Copilot still retains access, highlighting significant data security risks in generative AI.

(techcrunch.com)

Tech

FFmpeg Assembly Language: Unlocking High-Performance Multimedia Processing

2025-02-22

FFmpeg Assembly Language: Unlocking High-Performance Multimedia Processing

This tutorial introduces the fundamentals of assembly language programming within FFmpeg, focusing on SIMD vector programming. Writing assembly code by hand can dramatically improve multimedia processing speed, leading to smoother video playback, for example. The tutorial covers basic assembly concepts, the x86-64 instruction set, vector registers, and commonly used tools within FFmpeg. Prior knowledge of C pointers and high school mathematics is required.

(github.com)

Development Assembly Language

Slack's Automated Accessibility Testing: Challenges and Triumphs

2025-01-08

Slack's Automated Accessibility Testing: Challenges and Triumphs

The Slack engineering team details their journey implementing automated accessibility testing. Initial attempts to integrate Axe into their React Testing Library and Jest framework failed due to complexities. They pivoted to Playwright, using custom functions and strategies to successfully automate accessibility checks and integrate them into CI/CD. While not fully hiding automated checks, they minimized developer overhead by simplifying workflows, improving reporting, and establishing clear processes. Future plans include further optimization and exploring AI-assisted testing.

(slack.engineering)

Development automated testing accessibility testing

Google Search's AI Revolution: AI Mode Arrives

2025-03-05

Google Search's AI Revolution: AI Mode Arrives

Google is accelerating the AI-ification of its search engine. Their latest offering, "AI Mode," a search-centric chatbot, is poised to transform how users interact with search. This mode uses Google's search index to generate answers, interspersed with a few supporting links, similar to Gemini or other chatbots, but better at leveraging real-time data and interacting directly with the web. This move signals the growing importance of AI-generated content to Google Search, despite ongoing issues with its models. Google is also expanding AI Overviews to handle more complex queries, such as math and coding. While concerns exist about reduced reliance on website links, Google states AI Mode and AI Overviews are designed to supplement, not replace, traditional search results, attracting new users and increasing engagement.

(www.theverge.com)

Tech

Understanding C Memory Management: A Deep Dive into Stacks, Heaps, and Leaks

2025-01-16

Understanding C Memory Management: A Deep Dive into Stacks, Heaps, and Leaks

This article provides a detailed explanation of C's memory management, starting with how programs use memory and progressing through the roles of the stack and heap, the usage of malloc() and free(), and the causes of memory leaks and Use After Free (UAF) vulnerabilities. Using a simple example, the author demonstrates manual memory management and explains the inner workings of a memory allocator (malloc), including memory fragmentation. Suitable for readers with some programming experience, this article enhances understanding of memory management and helps avoid common memory errors.

(educatedguesswork.org)

Development Stack Heap

arXivLabs: Experimenting with Community Collaboration

2025-02-06

arXivLabs is a framework for collaborators to develop and share new arXiv features directly on the website. Individuals and organizations working with arXivLabs embrace our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only partners with those who share them. Got an idea for a project that will benefit the arXiv community? Learn more about arXivLabs.

(arxiv.org)

Development

Dyna: A Declarative Language for Machine Learning Researchers

2025-08-17

Dyna is a programming language designed by and for machine learning researchers. Building upon logic programming paradigms like Datalog and Prolog, Dyna allows flexible execution orders and weighted rules, enabling complex programs to be expressed concisely. From matrix multiplication and Fibonacci sequences to CKY parsing and even infinite neural networks, Dyna achieves impressive brevity. Started in 2004 to bridge the gap between mathematical concepts and executable code, Dyna has evolved through versions 1.0 and 2.0, continuously improving and expanding its capabilities. Current research focuses on building a flexible and complete implementation using relational algebra and term rewriting, and employing reinforcement learning to optimize execution strategies.

(dyna.org)

Development declarative programming

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