Contrastive Reflection (CORE
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CORE: Contrastive Reflection Enables Rapid Improvements in Reasoning
Announce Type: replace Abstract: Language models can use verifiable rewards to improve at a wide variety of reasoning tasks. However, both parametric (e.g. RLVR) and non-parametric (e.g. prompt optimization) approaches to doing so typically require hundreds of training samples and thousands of model rollouts, making them expensive in the best case and intractable in the worst. To address this challenge, we introduce Contrastive Reflection (CORE), a non-parametric learning algorithm that...
Gold nanoparticles unlock vibrant structural colors across the visible spectrum
June 7, 2026 report Gold nanoparticles unlock vibrant structural colors across the visible spectrum Sam Jarman Author Gaby Clark Scientific Editor Robert Egan Associate Editor Colloidal photonic glasses offer an appealing way to produce vivid colors without any chemical dyes—but so far, a stubborn optical effect has long prevented them from generating a true red color. Now, Yuwon Jeon and colleagues at KU-KIST in Seoul have developed a new approach that overcomes this limitation, producing...
Spatially Uniform and Defect-Tolerant Plasmonic Responses in 3D printed Gold Nanoparticle Assemblies
new Abstract: Three-dimensional (3D) assemblies of gold nanoparticles (AuNPs) offer a rich platform for plasmonic coupling and near-field engineering, yet their optical behavior is often complex due to structural disorder and fabrication-induced variability. Here, we present a systematic optical investigation of large-scale 3D AuNP assemblies fabricated via meniscus-guided assembly, focusing on the reproducibility and spatial uniformity. Spatially-resolved dark-field scattering measurements...
Light-induced quantum friction of carbon nanotubes in water
Abstract Friction slows down moving objects at both macroscopic and microscopic scales1. At the electronic level, quantum friction describes direct transfer of momentum between a liquid and the electrons of a solid2. Owing to its microscopic nature, this phenomenon remains experimentally challenging to capture3.
A silent strike by young doctors in Japan
Ongoing resident doctors' strikes indicate overt workforce tensions in the UK.1 By contrast, Japan faces a less visible but equally concerning “silent strike.” Despite universal health coverage, increasing numbers of young doctors are opting out of core specialties such as internal medicine, general surgery, and paediatrics.2Government data show that, between 2006 and 2024, the number of trainees under 30 declined by 48% in internal medicine, 36% in general surgery, and 17% in paediatrics.3...
Global Cross-Modal Geo-Localization: A Million-Scale Dataset and a Physical Consistency Learning Framework
arXiv:2603.08491v2 Announce Type: replace Abstract: Cross-modal Geo-localization (CMGL) matches ground-level text descriptions with geo-tagged aerial imagery, which is crucial for pedestrian navigation and emergency response. However, existing studies are constrained by narrow geographic coverage and simplistic scene diversity, failing to reflect the immense spatial heterogeneity of global architectural styles and topographic features. To bridge this gap and facilitate universal positioning,...
After Nagorno-Karabakh, Armenians vote for peace over nationalism
After Nagorno-Karabakh, Armenians vote for peace over nationalism Nikol Pashinyan’s victory suggests Russia’s influence in the country is waning. At a campaign rally in Armenia’s capital, Yerevan, on Saturday, one day before Armenia’s election, Prime Minister Nikol Pashinyan, outfitted in a white button-up shirt and a red-brimmed baseball cap, held a look of determination. Flanked by supporters waving their arms and flashing his campaign’s signature heart-shaped hand gesture, Pashinyan was...
Stanley Cup Final player rankings: Hart, Andersen,...
The 2026 Stanley Cup Final has arrived, and it represents the central tension of the 2026 playoffs. On the one hand, it's not a surprise to see the Carolina Hurricanes skating for Lord Stanley's Cup because they were the East's best team by record all season. Then again, this team had a long history of falling short of the Final before this year -- a trend the Hurricanes finally defied.
A prognostic human brain network for diffuse midline glioma
Abstract Diffuse midline gliomas (DMGs) are near-universally lethal tumours of the childhood central nervous system1,2. In animal models, DMGs form brain-wide integrated networks through neuron-to-glioma synapses3,4,5,6 and glioma-to-glioma gap junctional coupling3. This extensive connectivity robustly promotes the growth and invasion of DMG3,4,5,6,7,8,9 and other glial malignancies10,11,12 through paracrine mechanisms and direct neuron-to-glioma synapses.
Amplified Arctic iceberg traffic reshapes benthic biodiversity
Abstract The Arctic is undergoing rapid warming, resulting in retreating sea ice and glaciers1, yet how cryospheric changes propagate into the deep ocean remains poorly understood2. Here we identify a climate-driven mechanism linking accelerating glacier disintegration to an increase in deep-sea hard-bottom habitats far beyond calving fronts. Seafloor observations in Fram Strait show a localized increase in the density and patchiness of dropstones delivered by debris-laden icebergs.