AI News

May 21, 2026

OpenAI & DeepMind

AI Research (general)

$\pi$-Bench: Evaluating Proactive Personal Assistant Agents in Long-Horizon Workflows

arXiv cs.AI · May 21

$\pi$-Bench: Evaluating Proactive Personal Assistant Agents in Long-Horizon Workflows

1GC-7RC: One Graphic Card -- Seven Research Challenges! How Good Are AI Agents at Doing Your Job?

arXiv cs.AI · May 21

1GC-7RC: One Graphic Card -- Seven Research Challenges! How Good Are AI Agents at Doing Your Job?

2.5-D Decomposition for LLM-Based Spatial Construction

arXiv cs.AI · May 21

2.5-D Decomposition for LLM-Based Spatial Construction

3D aperture-engineered diffractive neural networks for super-resolution electromagnetic wave computing

arXiv cs.AI · May 21

3D aperture-engineered diffractive neural networks for super-resolution electromagnetic wave computing

\ECUAS{n}: A family of metrics for principled evaluation of uncertainty-augmented systems

arXiv cs.LG (Machine Learning) · May 21

\ECUAS{n}: A family of metrics for principled evaluation of uncertainty-augmented systems

\textit{Stochastic} MeanFlow Policies: One-Step Generative Control with Entropic Mirror Descent

arXiv cs.LG (Machine Learning) · May 21

\textit{Stochastic} MeanFlow Policies: One-Step Generative Control with Entropic Mirror Descent

A 10,000-Year Global Stochastic Tropical Cyclone Catalog with Wind-Dependent Track Transitions (WHITS)

arXiv cs.LG (Machine Learning) · May 21

A 10,000-Year Global Stochastic Tropical Cyclone Catalog with Wind-Dependent Track Transitions (WHITS)

A Bitter Lesson for Data Filtering

arXiv cs.AI · May 21

A Bitter Lesson for Data Filtering

A Case for Agentic Tuning: From Documentation to Action in PostgreSQL

arXiv cs.AI · May 21

A Case for Agentic Tuning: From Documentation to Action in PostgreSQL

A Closed-loop, State-centric, Multi-agent Framework for Passenger Load Estimation from Heterogeneous Data Streams

arXiv cs.AI · May 21

A Closed-loop, State-centric, Multi-agent Framework for Passenger Load Estimation from Heterogeneous Data Streams

AI in Biotech & High-Impact Journals

A multi-level attention CNN-transformer based framework for the detection of brain tumor using regional dual-score explainability

Nature Medicine · May 21

A multi-level attention CNN-transformer based framework for the detection of brain tumor using regional dual-score explainability

Associations of the uric acid–to–high-density lipoprotein cholesterol ratio with hypertension: a cross-sectional study from the China health and retirement longitudinal study

Nature Medicine · May 21

Associations of the uric acid–to–high-density lipoprotein cholesterol ratio with hypertension: a cross-sectional study from the China health and retirement longitudinal study

Atherogenic index of plasma as a predictor of cardiovascular outcomes in patients with myocardial infarction with nonobstructive coronary arteries

Nature Medicine · May 21

Atherogenic index of plasma as a predictor of cardiovascular outcomes in patients with myocardial infarction with nonobstructive coronary arteries

Development and validation of a machine learning-based risk prediction model for hyperkalemia in patients with chronic kidney disease

Nature Medicine · May 21

Development and validation of a machine learning-based risk prediction model for hyperkalemia in patients with chronic kidney disease

Duration of empiric antibiotic coverage for ruling out early-onset sepsis in neonates

Nature Medicine · May 21

Duration of empiric antibiotic coverage for ruling out early-onset sepsis in neonates

Endovascular thrombectomy with or without intravenous thrombolysis in large-vessel ischemic stroke: an updated meta-analysis

Nature Medicine · May 21

Endovascular thrombectomy with or without intravenous thrombolysis in large-vessel ischemic stroke: an updated meta-analysis

Gender disparities in random blood glucose levels among Pakistani adults with type 2 diabetes: a cross-sectional analysis

Nature Medicine · May 21

Gender disparities in random blood glucose levels among Pakistani adults with type 2 diabetes: a cross-sectional analysis

Hsa-circ_0081481-miR 3960-FBXO24 regulatory axis in non-obstructive azoospermia identifies potential biomarkers of spermatogenic failure

Nature Medicine · May 21

Hsa-circ_0081481-miR 3960-FBXO24 regulatory axis in non-obstructive azoospermia identifies potential biomarkers of spermatogenic failure

Machine learning-enhanced modeling approach for optimally predicting household level food insecurity in Ethiopia during COVID-19

Nature Medicine · May 21

Machine learning-enhanced modeling approach for optimally predicting household level food insecurity in Ethiopia during COVID-19

Quality of life and associated factors among naturally postmenopausal women in Arar Saudi Arabia

Nature Medicine · May 21

Quality of life and associated factors among naturally postmenopausal women in Arar Saudi Arabia

AI in Computational Pathology

Unintended consequences of legacy oversight in digital medicine

Nature Pathology · May 20

Unintended consequences of legacy oversight in digital medicine

Shock-scattering micro-histotripsy-aided fine needle aspiration for enhanced biomarker profiling and cytopathology

Nature Pathology · May 02

Shock-scattering micro-histotripsy-aided fine needle aspiration for enhanced biomarker profiling and cytopathology

Boosting pathology foundation models via few-shot prompt-tuning for rare cancer subtyping

Nature Pathology · Apr 11

Boosting pathology foundation models via few-shot prompt-tuning for rare cancer subtyping

Leveraging artificial intelligence in eosinophilic esophagitis

Nature Pathology · Apr 04

Leveraging artificial intelligence in eosinophilic esophagitis

Adaptive diagnostic reasoning framework for pathology with multimodal large language models

Nature Pathology · Mar 07

Adaptive diagnostic reasoning framework for pathology with multimodal large language models

Spatial navigation as a digital marker for clinically differentiating cognitive impairment severity

Nature Pathology · Mar 05

Spatial navigation as a digital marker for clinically differentiating cognitive impairment severity

Author Correction: The contribution of mycetoma grains to suboptimal disease management

Nature Pathology · Feb 11

Author Correction: The contribution of mycetoma grains to suboptimal disease management

A High Magnifications Histopathology Image Dataset for Oral Squamous Cell Carcinoma Diagnosis and Prognosis

Nature Pathology · Feb 06

A High Magnifications Histopathology Image Dataset for Oral Squamous Cell Carcinoma Diagnosis and Prognosis

Generating crossmodal gene expression from cancer histopathology improves multimodal AI predictions

Nature Pathology · Dec 31

Generating crossmodal gene expression from cancer histopathology improves multimodal AI predictions

Knowledge-guided adaptation of pathology foundation models effectively improves cross-domain generalization and demographic fairness

Nature Pathology · Dec 12

Knowledge-guided adaptation of pathology foundation models effectively improves cross-domain generalization and demographic fairness