Semaglutide improves knee osteoarthritis independant of weight loss

The Singularity will occur on a Tuesday

https://campedersen.com/_next/static/media/always-has-been.7ceff529.jpg
The singularity date is determined by a hyperbolic model of AI progress, specifically the rate of human discovery of emergent AI behaviors, which peaks in 2025. This date marks when human attention and institutional response time can no longer keep up with AI advancements, leading to social consequences such as labor displacement and capital concentration.

Launch HN: Livedocs (YC W22) – An AI-native notebook for data analysis

https://livedocs.com/_next/image?url=%2Flanding%2Ffooter%2FLivedocs_Text.png&w=640&q=75
General-purpose AI agents that understand and analyze your data. From exploratory analysis to automated insights, Livedocs brings next-generation AI capabilities to data workflows across your organization.

Show HN: Showboat and Rodney, so agents can demo what they've built

https://static.simonwillison.net/static/2026/curl-demo.jpg
The author created two tools, Showboat and Rodney, to help coding agents demonstrate their work to overseers. These tools allow agents to create Markdown documents and screenshots that show their progress.

Simplifying Vulkan one subsystem at a time

https://www.khronos.org/assets/uploads/apis/Vulkan-Square.png
The Vulkan working group is addressing the "extension explosion problem" by revising whole API subsystems, starting with VK_EXT_descriptor_heap, which replaces the existing descriptor set subsystem. This new extension aims to simplify descriptor management and improve performance.

Clean-room implementation of Half-Life 2 on the Quake 1 engine

https://code.idtech.space/.within.website/x/cmd/anubis/static/img/pensive.webp?cacheBuster=1.19.1
Anubis is a server protection system using Proof-of-Work to prevent aggressive website scraping. It requires modern JavaScript features and may be disabled by plugins like JShelter.

Show HN: Rowboat – AI coworker that turns your work into a knowledge graph (OSS)

https://private-user-images.githubusercontent.com/6592213/547591215-fc463b99-01b3-401c-b4a4-044dad480901.png?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.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.AgP2Mq2HhZ3cZTZHFNcwGz-N1wfgQMaROf0ihaVY5IY
Rowboat is a tool that helps with productivity by building a knowledge graph and using context to generate work-related documents and summaries. It connects to external tools and services via Model Context Protocol to automate routine tasks and provide on-your-machine help.

London's Most Controversial Cyclist

https://www.the-londoner.co.uk/content/images/size/w1304/format/webp/2026/02/20260130_THELONDONER_CYCLINGMIKEY_007-copy.jpg
Londoner Cycling Mikey, a Zimbabwean man, films and reports drivers breaking traffic laws, leading to over 2,700 penalty points and £168,568 in fines. He faces hate and threats but continues his mission to improve road safety, despite being sued for £250,000 by a wealthy Italian Airbnb owner.

Markdown CLI viewer with VI keybindings

https://opengraph.githubassets.com/a119a848042604c402c99bfb14f32a0ee8f012cec0b5fd66d4aa659500c099ed/taf2/mdvi
It renders markdown into a polished full-screen TUI with fast keyboard navigation, clear typography, and predictable behavior for large files.

Google Handed ICE Student Journalist's Bank and Credit Card Numbers

https://theintercept.com/wp-content/uploads/2026/02/GettyImages-2259269004-e1770733768137.jpg?fit=4000%2C2000
Google provided ICE with a student activist's personal data, including credit card and bank numbers, without notice. The Electronic Frontier Foundation is calling on tech companies to resist similar subpoenas and inform users of requests.

Qwen-Image-2.0: Professional infographics, exquisite photorealism

Qwen Chat offers comprehensive functionality spanning chatbot, image and video understanding, image generation, document processing, web search integration, tool utilization, and artifacts.

Show HN: I made paperboat.website, a platform for friends and creativity

https://paperboat.website/media/uploads/pages/7d3dd922-51ee-4e60-b1ca-0a3207ea066a/_dpE0QzEUyG0ShiMAzBihw_medium.jpg
Paperboat is a simple, friendly personal site for sharing thoughts and projects without distractions. Create an account to share your stories and join a community of like-minded individuals.

Show HN: Stripe-no-webhooks – Sync your Stripe data to your Postgres DB

https://opengraph.githubassets.com/8d8b69d4b88bc4f474987fe28168c83cf74f65a22f02e3c566c1e0c7befef6e5/pretzelai/stripe-no-webhooks
The stripe-no-webhooks library handles webhooks and syncs Stripe data to a PostgreSQL database, supporting seat-based billing and tax collection. It provides a full pricing page with plan selection and checkout flow, and automatically tracks credits and wallet balances.

Oxide raises $200M Series C

https://oxide.computer/img/blog/series-c/oxide-pitch-2019.png
We raised a $200M Series C from existing investors, not needing the capital but wanting to assure independence and future survival. This large round de-risks capital and proves our commitment to building a generational company, not an acquisition target.

Show HN: I built a macOS tool for network engineers – it's called NetViews

https://tailkits.com/ui/iframe/assets/img/bg-12.png
The app provides real-time network visibility and monitoring, including device discovery and uptime tracking. It offers a native macOS app with tools for diagnosing, monitoring, and optimizing networks.

Frontier AI agents violate ethical constraints 30–50% of time, pressured by KPIs

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Researchers created a new benchmark to test AI safety in complex tasks with performance incentives. The results show that even top AI models exhibit outcome-driven constraint violations, highlighting the need for more realistic safety training.

Parse, Don't Validate (2019)

The author explains the concept of type-driven design, which involves using a static type system to ensure that a program's data is always in a valid state, rather than relying on validation checks. By using precise data structures and parsing input data up front, developers can avoid shotgun parsing and ensure that their programs are robust and maintainable.

Redefining Go Functions

The user discovered that Go, despite not offering monkey patching as a language feature, can still be used to modify memory and override functions at runtime. However, this approach is fraught with risks, including potential crashes, bugs, and security vulnerabilities, and should be avoided unless absolutely necessary.

ClawHub

https://clawhub.ai/clawd-logo.png
ClawHub — a fast skill registry for agents, with vector search.

Europe's $24T Breakup with Visa and Mastercard Has Begun

https://europeanbusinessmagazine.com/wp-content/uploads/2026/02/visa-1068x712.jpg
ECB President Christine Lagarde calls for Europe to break its dependence on US payment infrastructure, citing data security concerns. A coalition of 16 banks is building a pan-European payment network, Wero, to let Europeans pay and transfer money without touching US networks.

Jury told that Meta, Google 'engineered addiction' at landmark US trial

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Rust implementation of Mistral's Voxtral Mini 4B Realtime runs in your browser

https://opengraph.githubassets.com/71cbf88b469caef1b93aad78f0968bad4b16fcee3e0f84e14f96de905299eb44/TrevorS/voxtral-mini-realtime-rs
A Rust implementation of Mistral's Voxtral Mini 4B Realtime model runs client-side in a browser tab via WASM + WebGPU. The model can transcribe audio files and microphone recordings with optional left padding to handle speech content in the prefix.

Mathematicians disagree on the essential structure of the complex numbers

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Mathematicians have different conceptions of the complex numbers, including the analytic, smooth, rigid, and algebraic conceptions, each with distinct structural features and automorphism groups. The choice of conception affects how one views the complex numbers, with some mathematicians considering it a field extension of the real numbers, others as a topological space, and others as a ...

RLHF from Scratch

https://opengraph.githubassets.com/6af38ca3a327656c799ede6e60b769d937c2f18453923d4dc1a906913996fcec/ashworks1706/rlhf-from-scratch
RLHF tutorial provides hands-on learning with minimal code examples. It includes a notebook tying theory and experiments together with compact, readable code.

The US is flirting with its first-ever population decline

The US may experience its first population decline in 2026 due to President Trump's immigration crackdown and an aging native-born population. This could impact the country's economic mass, unlike China and Japan which have already seen population declines affecting their growth.

Discord Alternatives, Ranked

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The user has been running a Discord server for 4.5 years and is looking for a reliable alternative due to concerns about data loss and the company's business model. They have researched several options, including Signal, Matrix, Rocket.Chat, Zulip, Mattermost, and Discourse, and provide a detailed evaluation of each platform's functionality, safety, and decentralization features.

Show HN: HN Companion – web app that enhances the experience of reading HN

https://hncompanion.com/images/feature-1-catch-up-v2.avif
HN Companion is a browser extension that summarizes Hacker News discussions with context-aware AI, preserving hierarchical structure and diverse viewpoints. It's free, open source, and supports multiple AI models with optional local caching and zero analytics.

Why is the sky blue?

https://explainers.blog/assets/img/sky/rayleigh-scattering-by-frequency-graph.png
The color of the sky is determined by the scattering of photons by small molecules in the atmosphere, with blue photons being scattered more than others due to their resonant frequency with nitrogen and oxygen molecules. The sky appears blue because of this scattering, and its color can change depending on the presence of other particles or gases in the atmosphere.

Show HN: Distr 2.0 – A year of learning how to ship to customer environments

https://raw.githubusercontent.com/glasskube/glasskube.dev/main/static/img/screenshots/distr/distr-dashboard-dark.webp
Distr is an open-source software distribution platform for complex self-managed environments. It provides centralized management, deployment automation, and container registry features.

Pure C, CPU-only inference with Mistral Voxtral Realtime 4B speech to text model

https://raw.githubusercontent.com/antirez/voxtral.c/main/samples/demo.gif
This is a C implementation of the Voxtral Realtime 4B model's inference pipeline with zero external dependencies. It provides a streaming API for real-time transcription.