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Science

When Believable Sounds Right: The Hidden Roots of AI Error

22.12.2025 by qfx

New research reveals that the mistakes made by artificial intelligence aren’t simply bugs, but stem from a human tendency to prioritize compelling narratives over verifiable facts.

Categories Science

Mapping the Flow: AI Predicts River Behavior with Causal Reasoning

22.12.2025 by qfx

CauSTream elucidates system dynamics by modeling two distinct causal structures: an immediate, instantaneous influence and a lagged, streamflow-based relationship defined over an $\ell$-window, thereby capturing both present forces and their temporal evolution.

A new deep learning framework leverages causal discovery to improve the accuracy and interpretability of streamflow forecasting, particularly for long-range predictions.

Categories Science

Decoding the Neural Network ‘Code’: Targeted Edits for Predictable AI

21.12.2025 by qfx

The study demonstrates that sparse autoencoders, when applied with ResNet-18 and ViT-B/16 backbones, achieve diminishing returns in reconstruction fidelity as training progresses-evidenced by the convergence of reconstruction and $L_1$ sparsity losses-and ultimately approximate, but do not perfectly replicate, original feature activations, as indicated by the deviation from ideal reconstruction ($Â = A$).

Researchers have developed a new framework for understanding and controlling the inner workings of neural networks, allowing for precise, quantifiable manipulation of their behavior.

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Smarter Tools: AI-Powered Control for Impact Wrenches

21.12.2025 by qfx

The controllers-a neural network and model predictive control-demonstrate precise tracking of a $0.2$ rad reference angle at impact, while also adhering to a $0.012$ m positional constraint, a feat the baseline speed controller fails to achieve, indicating superior performance in both accuracy and safety.

Researchers have developed a learning-based control system that dramatically improves the speed and reliability of impact wrench operation.

Categories Science

When AI Doesn’t Know What It Doesn’t Know

21.12.2025 by qfx

A new benchmark reveals that large language models are often overconfident in their predictions and struggle to accurately assess their own uncertainty.

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Decoding Neutron Star Collisions with Machine Learning

21.12.2025 by qfx

The study demonstrates that excluding shared components in the Event Triggered (ET) configuration, and conversely including them in the Non-Event-Triggered Maximum Output (NEMO) configuration, fundamentally alters the classification of purely noise-based samples at a signal-to-noise ratio of $0$, highlighting the sensitivity of these systems to underlying architectural choices.

A new approach uses sparse dictionary learning to classify the elusive equation of state governing the behavior of neutron stars by analyzing gravitational waves from simulated mergers.

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The Echo Chamber Effect: How Language Models Amplify Bias

21.12.2025 by qfx

The study demonstrates that large language models exhibit discernible political leanings in news summarization, as evidenced by the cosine similarity between summaries generated from center reporting and source articles from left or right outlets-a metric where deviations from orthogonality indicate bias-and further quantified by the means and covariance ellipses of these similarity distributions across models like Qwen, DeepSeek, Gemini, and GPT.

A new systematic analysis reveals that even the most advanced language models exhibit and perpetuate significant biases across political, cultural, and social domains.

Categories Science

Beyond the Black Box: Standardizing Predictive Process Mining

21.12.2025 by qfx

The SPICE workflow establishes a systematic process for analyzing data.

A new framework aims to address the critical lack of reproducibility in predictive process mining, offering a path toward more reliable and comparable model evaluations.

Categories Science

Sharing Data, Saving Diagnoses: AI Collaboration for Rare Muscle Diseases

21.12.2025 by qfx

A new approach to machine learning allows researchers to improve diagnostic accuracy for collagen VI-related dystrophies without compromising patient privacy.

Categories Science

Echoes of the Cosmos: Unifying Black Hole Mergers Across the Spectrum

21.12.2025 by qfx

The fraction of gravitational wave background originating from supermassive black hole binaries-descended from dual active galactic nuclei within the COSMOS-Mock and DESI-Mock samples, alongside data from AXIS and the upcoming Roman space telescope-reveals the contribution of these systems to the low-frequency band detectable by pulsar timing arrays, specifically at $f=0.1\,{\rm yr}^{-1}$.

New research connects observations of dual active galactic nuclei with the expected gravitational wave signals from merging supermassive black holes, offering a path towards multi-messenger astronomy.

Categories Science
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