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Middle Schooler Discovers New Compound in Goose Poop

2024-12-12

Middle Schooler Discovers New Compound in Goose Poop

A middle school student, participating in a research program with a local university, discovered a novel compound, orfamide N, in a goose poop sample collected from a park. While not responsible for the initial observed antibiotic activity of the bacteria, orfamide N inhibited the growth of human melanoma and ovarian cancer cells in lab tests. This research demonstrates the success of combining educational outreach with natural product discovery, highlighting the importance of university-community partnerships. The project provided invaluable hands-on experience for the student, showcasing the potential of young scientists.

(phys.org)

Tech scientific discovery middle school research new compound

Michael Larabel: 20 Years of Linux Hardware Benchmarking

2025-03-09

Michael Larabel, founder and principal author of Phoronix.com, has dedicated himself since 2004 to enriching the Linux hardware experience. He's penned over 20,000 articles covering Linux hardware support, performance, graphics drivers, and more. Beyond writing, he's the lead developer of automated benchmarking software like the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org. A true pioneer in the Linux open-source world.

(www.phoronix.com)

Tech

Arcan 0.7 Released: The All-Tomato Desktop Update Arrives

2024-12-26

Arcan 0.7 Released: The All-Tomato Desktop Update Arrives

Arcan 0.7 marks the end of the second phase of the 'anarchy on the desktop' project and the beginning of the final phase. This release focuses on bug fixes and improvements to Lash#Cat9 and Xarcan. Lash#Cat9, a Lua-based command-line environment, adds features such as a Debug Adapter Protocol implementation and an interactive spreadsheet. Xarcan allows for custom window managers, utilizing Arcan as a display driver and enabling interoperability with X servers. Arcan 0.7 aims to improve performance and security, with future versions planned to feature more flexible remote programming and simpler device connection.

(arcan-fe.com)

Development

Validating Global Gridded Population Datasets Using Dam Resettlement Data

2025-03-21

Validating Global Gridded Population Datasets Using Dam Resettlement Data

Researchers assessed the accuracy of five global gridded population datasets (GWP, GRUMP, GHS-POP, LandScan, and WorldPop) in predicting rural populations using data from the International Commission on Large Dams (ICOLD) database. They spatially overlaid resettlement data from 307 reservoirs with the population datasets, revealing systematic biases. The study improved prediction accuracy by adjusting for area biases in GeoDAR reservoir polygons. Results showed that while biases exist, these datasets offer reasonable accuracy in predicting rural populations, providing valuable insights for future research.

(www.nature.com)

Tech population data dams dam resettlement

Drone Footage Reveals Narwhals Using Tusks for Foraging, Exploration, and Play

2025-03-01

Drone Footage Reveals Narwhals Using Tusks for Foraging, Exploration, and Play

New research using drones has provided the first evidence of narwhals using their tusks in the wild for a variety of purposes. Researchers observed narwhals employing their tusks to investigate, manipulate, and potentially stun Arctic char, alongside what appears to be playful behavior. This study significantly advances our understanding of narwhal behavior and offers valuable data on how climate change impacts Arctic species.

(phys.org)

Tech narwhal Arctic

Recto: A Truly 2D Programming Language

2025-08-16

Recto: A Truly 2D Programming Language

Recto is a groundbreaking 2D programming language that uses nested rectangles as its core syntax, encoding structure and recursion directly in space instead of a linear stream of text. Challenging the one-dimensionality of traditional programming languages, Recto explores new ways to write, parse, and reason about code—and even natural language—spatially. Rectangles represent data structures, intuitively visualizing multi-dimensional data, and supporting functions, control flow, and more. While still in its prototype stage, Recto demonstrates potential for improved code readability and collaborative development, particularly beneficial for fields like linear algebra, computer graphics, and machine learning.

(masatohagiwara.net)

Development 2D programming language

Pure Nix Trigonometric Library: Ditching Python for Performance

2025-04-17

Pure Nix Trigonometric Library: Ditching Python for Performance

To calculate network latency between his 17 VPS nodes without manual ping tests, the author attempted to approximate latency by calculating the physical distance between node coordinates using Nix. Lacking native trigonometric functions in Nix, he implemented sin, cos, tan, arctan, and sqrt functions in pure Nix and used the Haversine formula to calculate distances and latencies. This project avoids external dependencies like Python, improving efficiency and reproducibility.

(lantian.pub)

Development Trigonometry

Pre-Viking Industrial Whaling? Game Pieces Reveal Early Norse Trade

2025-09-07

Pre-Viking Industrial Whaling? Game Pieces Reveal Early Norse Trade

Archaeologists have unearthed ancient game pieces—hnefatafl, similar to chess—made from whale bone at Vendel Culture sites in Sweden. Genetic analysis and archaeological evidence reveal the whale bones weren't from stranded whales, but from organized whaling, potentially the earliest evidence of industrial whaling in Scandinavia, dating back to 550-793 CE. This discovery reveals extensive trade networks and coastal resource use predating the Viking Age, laying the groundwork for later Viking expansion.

(hakaimagazine.com)

Tech Viking Culture Industrial Whaling

Bird Flu Pandemic? Seasonal Flu Immunity May Offer Some Protection

2025-03-24

Bird Flu Pandemic? Seasonal Flu Immunity May Offer Some Protection

While bird flu has ravaged the animal kingdom, human cases remain relatively low. However, scientists fear a potential pandemic if the virus mutates. New research suggests that immunity from seasonal flu might offer some protection against H5N1 bird flu. Studies using animal models and blood tests indicate that prior exposure to seasonal flu could lessen the severity of bird flu. This is due to shared traits between the viruses. However, this protection is not absolute and varies depending on individual immunity and other factors. While offering a glimmer of hope, scientists stress the need for continued research and vaccination efforts to prepare for a potential pandemic.

(www.npr.org)

Tech bird flu immunity seasonal flu

CSS Shapes Arrive in Firefox 62: Flowing Text Around Any Shape

2025-03-17

CSS Shapes Arrive in Firefox 62: Flowing Text Around Any Shape

Firefox 62 now officially supports CSS Shapes, enabling text and other content to flow around non-rectangular shapes. This article explores how to create shapes using images, gradients, and basic shapes, simplifying the process with the new tools in Firefox DevTools. Learn to use image alpha channels, gradient transparency, and predefined shapes (circle, ellipse, polygon) to control text flow, adjust spacing with `shape-margin`, and leverage `shape-image-threshold` for semi-transparent images. The article also demonstrates combining shapes with `clip-path` for advanced effects.

(www.smashingmagazine.com)

Development

Linux Context Switching Internals: Process State and Memory

2025-01-02

Linux Context Switching Internals: Process State and Memory

This article delves into the Linux kernel's representation of processes and their states, focusing on the key data structures: task_struct and mm_struct. task_struct manages the execution state, including process state, CPU time tracking, and scheduling information. mm_struct handles memory state, encompassing page tables, memory segment boundaries, and architecture-specific details. The article thoroughly explains the fields within these structures and their roles in context switching, offering a deep understanding of the Linux kernel's inner workings.

(blog.codingconfessions.com)

Development Context Switching Process Management

Mass Psychogenic Illness and Social Networks: A Changing Outbreak Pattern?

2024-12-21

A 2012 outbreak of conversion disorder at a New York high school saw numerous adolescent girls develop facial tics, muscle spasms, and speech problems. The diagnosis sparked controversy, with parents challenging the psychogenic explanation and suggesting environmental causes. This article analyzes the two types of mass psychogenic illness (MPI), its economic impact, and the shift in its spread in the social media age. The authors posit that social media may accelerate MPI transmission and amplify challenges to diagnoses, creating new public health hurdles. The Leroy case highlights the complexity of managing MPI in the digital age, suggesting traditional isolation strategies may be insufficient.

(pmc.ncbi.nlm.nih.gov)

Misc Mass psychogenic illness Conversion disorder Social media

Contemplative LLMs: A Viral Prompt Engineering Experiment

2025-01-12

Contemplative LLMs: A Viral Prompt Engineering Experiment

Maharshi's experiment on X (formerly Twitter) went viral: a prompt designed to make LLMs like Claude and GPT-4 'contemplate' before answering. Inspired by OpenAI's o1 model, which uses reinforcement learning and 'test-time compute' for enhanced reasoning, the prompt encourages LLMs to explore multiple possibilities, question assumptions, and mimic human thought processes. It emphasizes exploration over immediate conclusions, deep reasoning, showcasing the thinking process, and persistence. While effective for complex tasks, the author cautions against potential hallucinations. The prompt's structure uses XML tags to separate the contemplation phase and the final answer, guiding the LLM with specific phrasing to enhance clarity and accuracy.

(maharshi.bearblog.dev)

AI

100 Self-Driving Cars Tackle Rush Hour Congestion

2025-04-04

100 Self-Driving Cars Tackle Rush Hour Congestion

Researchers deployed 100 reinforcement learning (RL)-trained autonomous vehicles (AVs) onto a highway during rush hour to mitigate congestion and reduce fuel consumption. These AVs learned to smooth traffic flow, maximizing energy efficiency while maintaining throughput and safe operation around human drivers. The experiment demonstrated that even a small percentage of well-controlled AVs significantly improves traffic flow and fuel efficiency for all road users. This large-scale experiment provides valuable insights into deploying AVs to improve traffic conditions.

(bair.berkeley.edu)

Tech traffic optimization

Deep Dive into CLR Garbage Collection

2025-07-12

Deep Dive into CLR Garbage Collection

This article provides a comprehensive overview of garbage collection (GC) within the Common Language Runtime (CLR). The GC acts as an automatic memory manager, handling memory allocation and release for managed code, freeing developers from manual memory management and preventing issues like memory leaks. It details core GC concepts, memory management principles, allocation and release processes, generational garbage collection strategies (Gen 0, 1, 2, and the Large Object Heap), trigger conditions, phase breakdowns, and handling unmanaged resources. The article explains how the GC optimizes memory usage by dividing the heap into generations based on object lifespan, improving efficiency by focusing on shorter-lived objects first.

(learn.microsoft.com)

Development

Antarctica's Beloved Bus, Ivan, Escapes the Scrapyard

2025-03-31

Antarctica's Beloved Bus, Ivan, Escapes the Scrapyard

Ivan, a legendary Terra Bus that served at McMurdo Station in Antarctica since 1994, faced retirement and potential scrapping. Its unique charm and role in transporting countless researchers made it an Antarctic icon. A community effort, however, saved Ivan from the scrapyard. After a campaign by former passengers and staff, Ivan was shipped to Christchurch, New Zealand, where it's expected to find a new home in a museum, preserving a piece of Antarctic history. The story highlights the deep connection between people and objects imbued with shared experiences.

(www.atlasobscura.com)

Misc Preservation

uv and Ray: Revolutionizing Dependency Management for Distributed Python

2025-06-27

uv and Ray: Revolutionizing Dependency Management for Distributed Python

This article showcases the integration of the uv package manager with the Ray compute engine, addressing the challenges of dependency management in distributed Python applications. Traditional containerization methods slow down iteration speeds. The uv + Ray combination allows for rapid creation and synchronization of consistent Python environments across a cluster, dramatically improving development efficiency. By setting the environment variable `RAY_RUNTIME_ENV_HOOK`, Ray automatically detects the uv environment and applies it to all worker processes, ensuring consistent code execution. The article demonstrates its ease of use with examples using Ray Data and LLM integration, and covers advanced usage and best practices.

(www.anyscale.com)

Development

Bayesian Epistemology 101: Credences, Evidence, and Rationality

2025-02-03

This tutorial introduces Bayesian epistemology, focusing on its core norms: probabilism and the principle of conditionalization. Using Eddington's solar eclipse observation as a case study, it illustrates how Bayesian methods update belief in hypotheses. The tutorial then explores disagreements within Bayesianism regarding prior probabilities, coherence, and the scope of conditionalization, presenting foundational arguments like Dutch book arguments, accuracy-dominance arguments, and arguments from comparative probability. Finally, it addresses the idealization problem and the application of Bayesian methods in science.

(plato.stanford.edu)

AI Bayesian Epistemology Probabilism Conditionalization

GNU Free Documentation License Explained: A License for Free Documents

2025-05-18

The GNU Free Documentation License (GFDL) ensures the freedom to copy, distribute, and modify documents, commercially or non-commercially. Employing a 'copyleft' approach, it guarantees derivative works remain free. The GFDL details copyright notices, invariant sections, cover texts, and more, balancing author rights with free document distribution. It covers bulk copying, modifications, combining documents, translation, and violation handling. While designed for free software documentation, the GFDL applies to any textual work.

(dezyne.org)

Development Free Documentation License

Kalvad Ditches Ubuntu for Alpine and FreeBSD: A Deep Dive into OS Migration

2025-05-20

Kalvad Ditches Ubuntu for Alpine and FreeBSD: A Deep Dive into OS Migration

Kalvad recently underwent a significant server operating system migration, moving from Ubuntu to Alpine Linux and FreeBSD. This post details their rationale, including an in-depth evaluation of various OSes' performance, security, and resource efficiency. They chose Alpine Linux for stateless services and FreeBSD for those requiring high throughput and reliability, highlighting the advantages of ZFS, PF firewall, and pkg package manager. While challenges like software updates and tool compatibility arose, Kalvad found the benefits of FreeBSD and Alpine far outweighed the drawbacks, resulting in significantly improved system stability, efficiency, and security.

(blog.kalvad.com)

Development OS migration

Standalone GUI Module for Monitoring Self-Hosted Services and Raspberry Pis

2025-07-31

Standalone GUI Module for Monitoring Self-Hosted Services and Raspberry Pis

This project details a standalone GUI module, spun off from the open-source Ubo Pod project, designed for monitoring self-hosted services and Raspberry Pis. This module mounts in mini or full-size server racks, providing headless control of the Raspberry Pi, system resource monitoring, and application status monitoring. The author is currently redesigning the PCB and enclosure, and exploring a tilted display design for improved viewing. The GUI software is mature enough for testing in a web browser without any additional hardware.

(www.getubo.com)

Hardware

NASA Unveils Dual-Path Strategy for Martian Sample Return

2025-01-14

NASA Unveils Dual-Path Strategy for Martian Sample Return

To maximize the chances of successfully returning the first Martian rock and sediment samples to Earth, NASA announced a new approach to its Mars Sample Return (MSR) program. The agency will pursue two parallel landing architectures, leveraging existing sky crane technology and exploring new commercial capabilities. This dual-path strategy aims to reduce costs and timelines while increasing mission success. The ultimate goal is to unlock the mysteries of Mars, investigate the possibility of past life, and pave the way for future human exploration. A final decision on the program architecture is expected in the latter half of 2026.

(www.nasa.gov)

Tech Mars Sample Return

Chaos at the NNSA: Mass Firings Paused Amidst Confusion

2025-02-15

Chaos at the NNSA: Mass Firings Paused Amidst Confusion

The National Nuclear Security Administration (NNSA), responsible for the US nuclear weapons stockpile, experienced a chaotic mass firing of hundreds of employees over two days. Employees were given little warning, locked out of emails, and dismissed under a broader Department of Energy initiative spearheaded by the Trump administration and linked to Elon Musk's government efficiency push. Despite the agency's critical role, it received no national security exemption. The firings were ultimately paused amid confusion and uncertainty, with some terminations rescinded. However, the event raised serious concerns about the impact on morale and the retention of highly specialized nuclear security personnel.

(www.npr.org)

Tech nuclear security mass firings trump administration

Standardizing AI Preferences: Addressing Copyright Concerns in AI Training Data

2025-03-22

Standardizing AI Preferences: Addressing Copyright Concerns in AI Training Data

To address copyright concerns arising from the use of internet content for training AI models, the IETF's newly formed AI Preferences Working Group (AIPREF) is working to standardize building blocks for expressing preferences on how content is collected and processed. Currently, AI vendors use a confusing array of non-standard signals (like robots.txt) to guide crawling and training, leading to a lack of confidence among authors and publishers that their preferences will be respected. AIPREF will define a common vocabulary to express authors' and publishers' preferences, methods for attaching this vocabulary to internet content, and a standard mechanism for reconciling multiple preference expressions. The working group's first meeting will be held during IETF 122 in Bangkok.

(www.ietf.org)

AI

GitSyncPad: One-Button Git Command Micro Keypad

2025-03-04

GitSyncPad: One-Button Git Command Micro Keypad

GitSyncPad is an innovative micro keypad designed for effortless Git version control. Execute commands like git add, git commit, and git push with a single button press. No software installation is required; simply connect it to your computer via USB and press the button to effortlessly execute Git commands. Only 10 units available!

(www.gitsyncpad.xyz)

Development micro keypad

NSA Releases Zero Trust Guidance for Applications and Workloads

2025-02-01

NSA Releases Zero Trust Guidance for Applications and Workloads

The National Security Agency (NSA) has released new guidance on advancing Zero Trust maturity, focusing on application and workload security. This practical guide offers recommendations for Department of Defense, Defense Industrial Base, and other organizations, emphasizing progressive capabilities within a Zero Trust framework. Key areas covered include application inventory, cybersecurity supply chain risk management (C-SCRM), CI/CD and DevSecOps, automated risk-based authorization, and continuous monitoring. The NSA advocates for implementing principles like least privilege, micro-segmentation, continuous monitoring, and logging to protect applications and workloads from sophisticated cyber threats.

(blog.aquia.us)

Tech

Google's Platforms & Devices Team Offers Voluntary Exit Program Amid Layoff Fears

2025-02-01

Google's Platforms & Devices Team Offers Voluntary Exit Program Amid Layoff Fears

Following layoffs last year, Google's Platforms and Devices team (responsible for Android, Pixel hardware, etc.) is offering a "voluntary exit program" to US employees, sparking concerns about wider layoffs. This comes after Google integrated its Android and hardware teams and its CFO prioritized "cost efficiencies." Despite increased Pixel phone sales, Google faces cost pressures, particularly with its heavy AI investment. A petition from some employees urges the CEO to offer voluntary buyouts before involuntary layoffs.

(www.theverge.com)

Tech

Tetris in PostScript: A Real-time Game in Under 600 Lines

2025-02-22

Tetris in PostScript: A Real-time Game in Under 600 Lines

A developer has implemented a real-time Tetris game using PostScript, remarkably achieving it with only 600 lines of code (around 10KB) and 69 distinct operators. The game features arrow and spacebar controls, increasing game speed, 7 tetrominoes, high scores, and a Nintendo-style scoring system. It runs in GhostView on macOS and draws some implementation inspiration from MeatFighter.

(github.com)

Game Real-time game

NZ Opens Doors to Digital Nomads with Relaxed Visa Rules

2025-01-27

NZ Opens Doors to Digital Nomads with Relaxed Visa Rules

New Zealand is loosening its visitor visa rules to attract digital nomads, particularly high-skilled IT professionals from the US and Asia. This move, announced by Economic Growth Minister Nicola Willis, aims to boost the country's economy by bringing in high-value tourists. While the changes apply to all visitor visas, allowing remote work for foreign companies, those working over 90 days may need to declare themselves as tax residents. The government acknowledges potential risks, such as increased infrastructure strain, but believes the benefits outweigh them.

(www.abc.net.au)

Startup digital nomad visa policy

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

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