Machine-learning tool gives doctors a more detailed 3D picture of fetal health

Machine-learning tool gives doctors a more detailed 3D picture of fetal health

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For pregnant women, ultrasounds are an informative (and sometimes necessary) procedure. They typically produce two-dimensional black-and-white scans of fetuses that can reveal key insights, including biological sex, approximate size, and abnormalities like heart issues or cleft lip. If your doctor wants a closer look, they may use magnetic resonance imaging (MRI), which uses magnetic fields to capture images that can be combined to create a 3D view of the fetus. MRIs aren’t a catch-all, though; the 3D scans […]

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The cost of thinking

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Large language models (LLMs) like ChatGPT can write an essay or plan a menu almost instantly. But until recently, it was also easy to stump them. The models, which rely on language patterns to respond to users’ queries, often failed at math problems and were not good at complex reasoning. Suddenly, however, they’ve gotten a lot better at these things. A new generation of LLMs known as reasoning models are being trained to solve complex problems. Like humans, […]

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New algorithms enable efficient machine learning with symmetric data

New algorithms enable efficient machine learning with symmetric data

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If you rotate an image of a molecular structure, a human can tell the rotated image is still the same molecule, but a machine-learning model might think it is a new data point. In computer science parlance, the molecule is “symmetric,” meaning the fundamental structure of that molecule remains the same if it undergoes certain transformations, like rotation. If a drug discovery model doesn’t understand symmetry, it could make inaccurate predictions about molecular properties. But despite some empirical […]

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Responding to the climate impact of generative AI

Responding to the climate impact of generative AI

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In part 2 of our two-part series on generative artificial intelligence’s environmental impacts, MIT News explores some of the ways experts are working to reduce the technology’s carbon footprint. The energy demands of generative AI are expected to continue increasing dramatically over the next decade. For instance, an April 2025 report from the International Energy Agency predicts that the global electricity demand from data centers, which house the computing infrastructure to train and deploy AI models, will more than double by […]

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Expert Commentary Available: U.S. sees 17% Drop in New Foreign Students

Expert Commentary Available: U.S. sees 17% Drop in New Foreign Students

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New international student enrollment at U.S. colleges and universities plunged 17% in fall 2025, the steepest non-pandemic decline in over a decade, according to data released today by the Institute of International Education. More than half of the 825 institutions surveyed reported decreases, with a majority citing visa application concerns. lead , Neal McCluskey, Director of Cato’s Center for Educational Freedom, warns: “Dropping international student enrollment is troubling for American higher education and the country. The United States […]

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Apple Researchers Release CLaRa: A Continuous Latent Reasoning Framework for Compression‑Native RAG with 16x–128x Semantic Document Compression

Apple Researchers Release CLaRa: A Continuous Latent Reasoning Framework for Compression‑Native RAG with 16x–128x Semantic Document Compression

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How do you keep RAG systems accurate and efficient when every query tries to stuff thousands of tokens into the context window and the retriever and generator are still optimized as 2 separate, disconnected systems? A team of researchers from Apple and University of Edinburgh released CLaRa, Continuous Latent Reasoning, (CLaRa-7B-Base, CLaRa-7B-Instruct and CLaRa-7B-E2E) a retrieval augmented generation framework that compresses documents into continuous memory tokens and then performs both retrieval and generation in that shared latent space. […]

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