UK Biobank leak: Health details of 500 000 people are offered for sale

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The operating cost of adult and gambling startups

Building an online casino or 18+ project is often driven by short-term goals and can be stigmatized, making it hard to find investment, employees, and reliable payment providers. Success in such a niche can be difficult to translate into a positive reputation outside of it.

S. Korea police arrest man over AI image of runaway wolf that misled authorities

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A 40-year-old man in South Korea was arrested for sharing an AI-generated image of a missing wolf, misleading authorities and prompting a nationwide search. He faces up to 5 years in prison for disrupting government work by deception.

Spinel: Ruby AOT Native Compiler

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Spinel compiles Ruby into native executables with significant speedups. It uses whole-program type inference and generates optimized C code.

How to be anti-social – a guide to incoherent and isolating social experiences

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Assume others' intentions are malicious or ignorant, trust intuition, and pivot conversations to avoid weakness. Exploit your network, present curated details, and dismiss detractors' credentials unless agreeing with them.

Aspartame is not that bad?

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Aspartame is broken down into normal chemicals in the body, with no conclusive evidence of harm from its consumption. The current science suggests that aspartame's health impact is essentially zero, with every credible body agreeing on its safety.

DeepSeek v4

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The DeepSeek API uses OpenAI/Anthropic compatible format and can be accessed with an API key. Model names will be deprecated on July 24, 2026.

Mounting tar archives as a filesystem in WebAssembly

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We can mount a tarball directly in memory without copying by generating a metadata file that lists file sizes and offsets, then using Emscripten's WORKERFS. This approach avoids unnecessary copying and improves performance, especially in memory-constrained environments.

US special forces soldier arrested after allegedly winning $400k on Maduro raid

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US soldier Master Sgt Gannon Ken Van Dyke was arrested and charged with stealing and misusing classified information after allegedly betting $32,000 on Venezuelan President Maduro's capture and winning $400,000. He faces five criminal charges and a related civil complaint from the Commodity Futures Trading Commission.

Why I Write (1946)

The author's early life influenced his writing, with a desire to escape loneliness and create a private world through words. He developed a habit of making up stories and describing scenes, which continued into adulthood.

An update on recent Claude Code quality reports

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Claude's responses worsened for some users due to three separate changes affecting Claude Code, the Claude Agent SDK, and Claude Cowork. We've fixed the issues and will implement changes to prevent similar problems in the future.

Show HN: How LLMs Work – Interactive visual guide based on Karpathy's lecture

Large language models like ChatGPT are built by collecting and filtering vast amounts of internet text, then training neural networks to predict the next token in a sequence. The final model learns conversations through imitation and reinforcement learning, allowing it to generate helpful and coherent responses, but it still has limitations and can hallucinate or refuse to answer certain questions.

Bitwarden CLI compromised in ongoing Checkmarx supply chain campaign

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Bitwarden CLI 2026.4.0 was compromised through a GitHub Action in its CI/CD pipeline as part of the Checkmarx supply chain campaign. Users are advised to review CI logs and rotate exposed secrets.

GPT-5.5

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OpenAI releases GPT-5.5, a more intelligent and efficient model that can handle complex tasks. GPT-5.5 excels at coding, research, and everyday work on a computer, providing better results with fewer tokens.

The Rich and Powerful Want to Live Forever. What If They Could?

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Show HN: Gova – The declarative GUI framework for Go

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Gova is a declarative GUI framework for Go that builds native desktop apps from a single codebase. It uses typed components, reactive state, and real platform dialogs with a single static binary.

Hear your agent suffer through your code

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To use Endless Toil, install it from the marketplace, restart Codex if needed, and invoke the plugin in a new thread. It plays escalating human groans as it scans code, printing results if an audio player is unavailable.

MeshCore development team splits over trademark dispute and AI-generated code

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A team member, Andy Kirby, secretly used AI-generated code to take over the MeshCore ecosystem, sparking a dispute over ownership and control. The core team has now separated from Andy and will continue to develop and release MeshCore firmware and app updates on their official website, meshcore.io.

Meta tells staff it will cut 10% of jobs

Meta plans to cut 10% of its workforce, around 8,000 employees, to boost efficiency and offset AI spending. Layoffs will occur on May 20, with 6,000 open roles left unfilled.

Show HN: Tolaria – Open-source macOS app to manage Markdown knowledge bases

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Tolaria is a Mac app for managing markdown knowledge bases with features like offline use, open source, and keyboard-first design. It's built for power-users with a focus on flexibility and portability.

The Era of Citizens United Could Be Nearing Its End

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Jacobin‘s special spring issue, “Teen Jacobin,” is out now. Follow this link to get a discounted subscription to our beautiful print quarterly. Slush funds of anonymous unregulated money are now the dominant institutions in American politics, converting our elections into auctions — and transforming the legislative process into a donor bidding war. In the last election, PACs and super PACs ...

Using the internet like it's 1999

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The author believes the internet has become a controlled echochamber where people are fed algorithmically generated content, and suggests using older technologies like RSS feeds, IRC, and email to reclaim agency over attention and information.

Familiarity is the enemy: On why Enterprise systems have failed for 60 years

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Enterprise knowledge management systems have failed for sixty years due to buyers selecting on the wrong axis, prioritizing familiarity over correctness, and vendors selling on the perception of safety rather than actual product value. The industry's repeated failures, including the current trend of adding AI to existing systems, demonstrate a pattern of buying the same shape of thing one ...

UK Biobank health data keeps ending up on GitHub

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UK Biobank has used copyright takedown notices to remove health data from GitHub, targeting 110 requests since July 2025. The notices mostly target Jupyter or R notebooks, genetic and genomic data files, and tabular datasets containing participant health records.

Habitual coffee intake shapes the microbiome, modifies physiology and cognition

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Coffee consumption influences gut function, stress, cognition, and the microbiome, with mechanisms poorly understood. This study found coffee drinkers had altered gut microbiome composition and function, and coffee intake was linked to improved cognitive performance and reduced impulsivity.

TorchTPU: Running PyTorch Natively on TPUs at Google Scale

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Google's Tensor Processing Units (TPUs) require a software stack that meets demands for performance, hardware portability, and reliability, leading to the development of TorchTPU, a PyTorch integration for native and efficient TPU usage. TorchTPU achieves this through its "Eager First" philosophy, Fused Eager mode, and native support for custom kernels, ensuring a seamless and ...

My phone replaced a brass plug

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The author spent six months developing a computer vision model to automate scoring of shooting targets, using a combination of OpenCV and YOLOv8, and eventually created an offline-first app to track shooting performance.

Composition Shouldn't be this Hard

The author, a seasoned data infrastructure engineer, argues that the current state of software development is plagued by brittleness and tedium due to the use of fragmented systems, which are assembled from components with incompatible internal models. He proposes the development of a general-purpose, domain-aligned, sealed model for internet software that would enable coherent systems and ...

Alberta startup sells no-tech tractors for half price

Ursa Ag, a small Canadian manufacturer, is selling tractors with remanufactured 1990s diesel engines and no electronics for half the price of comparable machines. The company's simple, mechanical design is appealing to farmers who want to avoid modern complexity and high costs.

Show HN: Agent Vault – Open-source credential proxy and vault for agents

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Agent Vault is an open-source credential broker that eliminates credential exfiltration risk by injecting credentials at the network layer. It works with any agent, including custom Python/TypeScript agents and coding agents like Claude Code.