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When Reasoning Needs Receipts: Graphs Over Guesswork in Medical AI

Opening — Why this matters now Medical AI has a credibility problem. Not because large language models (LLMs) can’t answer medical questions—they increasingly can—but because they often arrive at correct answers for the wrong reasons. In medicine, that distinction is not academic. A shortcut that accidentally lands on the right diagnosis today can quietly institutionalize dangerous habits tomorrow. ...

December 16, 2025 · 3 min · Zelina
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When Small Models Learn From Their Mistakes: Arithmetic Reasoning Without Fine-Tuning

Opening — Why this matters now Regulated industries love spreadsheets and hate surprises. Finance, healthcare, and insurance all depend on tabular data—and all have strict constraints on where that data is allowed to go. Shipping sensitive tables to an API-hosted LLM is often a non‑starter. Yet small, on‑prem language models have a reputation problem: they speak fluently but stumble over arithmetic. ...

December 16, 2025 · 3 min · Zelina
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When the AI Becomes the Agronomist: Can Chatbots Really Replace the Literature Review?

Opening — Why this matters now Generative AI has already conquered the low-hanging fruit: emails, summaries, boilerplate code. The harder question is whether it can handle messy, domain-heavy science—where facts hide behind paywalls, nomenclature shifts over decades, and one hallucinated organism can derail an entire decision. Agriculture is a perfect stress test. Pest management decisions affect food security, biodiversity, and human health, yet the relevant evidence is scattered across thousands of papers, multiple languages, and inconsistent field conditions. If AI can reliably translate this chaos into actionable knowledge, it could change farming. If it cannot, the cost of error is sprayed across ecosystems. ...

December 15, 2025 · 4 min · Zelina
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When Tools Think Before Tokens: What TxAgent Teaches Us About Safe Agentic AI

Opening — Why this matters now Agentic AI is having a moment. From autonomous coding agents to self-directed research assistants, the industry has largely agreed on one thing: reasoning is no longer just about tokens—it’s about action. And once models are allowed to act, especially in high‑stakes domains like medicine, the question stops being can the model answer correctly? and becomes can it act correctly, step by step, without improvising itself into danger? ...

December 15, 2025 · 4 min · Zelina
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Who Gets Flagged? When AI Detectors Learn Our Biases

Opening — Why this matters now AI-generated text detectors have become the unofficial referees of modern authorship. Universities deploy them to police academic integrity. Platforms lean on them to flag misinformation. Employers quietly experiment with them to vet writing samples. And yet, while these systems claim to answer a simple question — “Was this written by AI?” — they increasingly fail at a much more important one: ...

December 15, 2025 · 4 min · Zelina
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Markets That Learn (and Behave): Inside D2M’s Decentralized Data Marketplace

Opening — Why this matters now Data is abundant, collaboration is fashionable, and trust is—predictably—scarce. As firms push machine learning beyond single silos into healthcare consortia, finance alliances, and IoT swarms, the old bargain breaks down: share your data, trust the aggregator. That bargain no longer clears the market. Federated learning (FL) promised salvation by keeping data local, but quietly reintroduced a familiar villain: the trusted coordinator. Meanwhile, blockchain-based data markets solved escrow and auditability, only to discover that training neural networks on-chain is about as practical as mining Bitcoin on a smartwatch. ...

December 14, 2025 · 4 min · Zelina
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When Data Comes in Boxes: Why Hierarchies Beat Sample Hoarding

Opening — Why this matters now Modern machine learning has a data problem that money can’t easily solve: abundance without discernment. Models are no longer starved for samples; they’re overwhelmed by datasets—entire repositories, institutional archives, and web-scale collections—most of which are irrelevant, redundant, or quietly harmful. Yet the industry still behaves as if data arrives as loose grains of sand. In practice, data arrives in boxes: datasets bundled by source, license, domain, and institutional origin. Selecting the right boxes is now the binding constraint. ...

December 13, 2025 · 3 min · Zelina
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When LLMs Stop Guessing and Start Arguing: A Two‑Stage Cure for Health Misinformation

Opening — Why this matters now Health misinformation is not a fringe problem anymore. It is algorithmically amplified, emotionally charged, and often wrapped in scientific‑looking language that fools both humans and machines. Most AI fact‑checking systems respond by doing more — more retrieval, more reasoning, more prompts. This paper argues the opposite: do less first, think harder only when needed. ...

December 13, 2025 · 3 min · Zelina
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Safety Without Exploration: Teaching Robots Where Not to Die

Opening — Why this matters now Modern autonomy has a credibility problem. We train systems in silico, deploy them in the real world, and hope the edge cases are forgiving. They usually aren’t. For robots, vehicles, and embodied AI, one safety violation can be catastrophic — and yet most learning‑based methods still treat safety as an expectation, a probability, or worse, a regularization term. ...

December 12, 2025 · 4 min · Zelina
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When AI Becomes the Reviewer: Pairwise Judgment at Scale

Opening — Why this matters now Large scientific user facilities run on scarcity. Beam time, telescope hours, clean-room slots—there are never enough to go around. Every cycle, hundreds of proposals compete for a fixed, immovable resource. The uncomfortable truth is that proposal selection is not about identifying absolute excellence; it is about ranking relative merit under pressure, time constraints, and human fatigue. ...

December 12, 2025 · 4 min · Zelina