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Nvidia to bring DLSS 5 support to RTX 40-series GPUs after modders leak it early

Nvidia confirmed it will officially extend DLSS 5 support to RTX 40-series graphics cards, though the rollout will happen only after performance tuning for RTX 50-series GPUs is complete. The move comes after modders reverse-engineered and ported a leaked version of DLSS 5 to run on older cards, including RTX 30 and RTX 20 series, with mixed results. Nvidia also clarified that gamers will only get a simple on/off toggle for DLSS 5, while granular controls like Structure Intensity and Tone Intensity remain reserved for developers.

Ultrahuman raises $70M from Qualcomm Ventures to build gesture-control smart rings

Ultrahuman, a rival to Oura in the smart ring market, secured $70 million from investors including Qualcomm Ventures, Labcorp, Alpha Wave and Blume to fund development of next-generation AI wearables. The company plans to use the funding to advance sensing, materials, electronics and algorithms, and is exploring a future ring that could work with devices like Meta's smart glasses for gesture control, according to chief business officer Bhuvan Srinivasan.

Two-year Shigella outbreak in lab primates yields data for broader vaccine design

Researchers analyzed immune responses from over 150 non-human primates infected during a prolonged Shigella outbreak at a research facility, identifying specific bacterial molecules and antibody binding sites linked to protective immunity. The findings, published in Science Translational Medicine, pinpoint precise structural targets that could inform vaccine design against multiple Shigella strains.

South Carolina Couple's 16 Handles Franchise Hits $1M in Sales in Six Months

Ken and Sarah Barlow opened a 16 Handles self-serve frozen yogurt franchise in Forest Acres, South Carolina in June 2025 after signing on with the brand in early 2024. The idea stemmed from their daughter wanting to customize her own frozen yogurt, and the couple noticed no such business existed in their town. Within six months of opening, the location generated $1 million in sales.

OpenAI Launches GPT-6 Astra Model Upgrading ChatGPT and Codex

OpenAI has unveiled GPT-6 Astra, a new flagship model succeeding last year's GPT-5, bringing major gains in computer use, browsing, software engineering, and scientific reasoning. The company reports near-perfect scores on benchmarks like FrontierMath Tier 4, ARC-AGI-3, and ExploitBench, and says Astra is its best model yet for coding tasks. Astra also introduces a new memory system for Codex that lets it retain notes across long coding sessions instead of relying solely on context summarization.

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