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NVIDIA Open-Sources FlashREINFORCE: Half Rollout Cost, Better Accuracy

NVIDIA FlashREINFORCE, published September 2026 and integrated into the Molt framework, trains AI agents using half as many rollouts as GRPO while matching or beating its accuracy on math and tool-use ...
eLife

Neural responses during natural vision are action-timed rather than locked to the onset of stable foveal input

This important study shows that neural responses to visual input during active vision are more closely aligned with self-generated eye movements than with fixation onset. The evidence for neural ...
eLife

An Itch Receptor Drives Melanoma

Mas-Related GPCR X4 (MRGPRX4) is a sensory neuron-restricted receptor for cholestatic itch. Here, we identify MRGPRX4 as an unexpected melanoma driver. MRGPRX4 is upregulated in melanoma and is ...
British Journal of Ophthalmology

Generalisation of a deep learning-based exophthalmometry system using facial photographs for non-thyroidal orbital disease

Aims To evaluate agreement between photo-based automated exophthalmometry and manual Hertel exophthalmometry in healthy ...
Science

Hierarchical repeating earthquakes with strong downward directivity

How and to what extent earthquakes repeat remain key open questions with important implications for early warning and hazard ...
Science

Super-enhancer–driven SGK1 activates polyamine metabolism to promote autoimmune uveitis

Uveitis, a leading cause of blindness, is driven by dysregulated immune responses, particularly autoreactive T cells. Despite advances in understanding its pathogenesis, key regulatory mechanisms ...