Republican Rep. Nancy Mace of South Carolina displayed naked photos of herself Tuesday during a congressional hearing. Mace has clashed with Republican Attorney General Alan Wilson of South Carolina over

Despite its central role in human history, pregnancy has often been overlooked in archaeology.

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Google says it will commit up to $150 million to the consumer eyewear company Warby Parker to jointly develop AI-powered smart glasses based on Android XR, the companies said on Tuesday during Google I/O 2025. Google has already committed $75 million to Warby Parkers product development and commercialization costs, the companies said in a press []

Amanda Scales, the former xAI HR exec who helped lead billionaire Elon Musks Department of Government Efficiency initiative while working at the U.S. Office of Personnel Management, recently returned to xAI, according to The New York Times. Scales used to work on talent acquisition at xAI. Since April, shes worked on the talent side of []

The first test of Teslas long-promised robotaxi service in Austin, Texas next month will initially be limited to specific areas the company deems the safest, CEO Elon Musk told CNBC in an interview Tuesday. Teslas cars are not going to take intersections unless we are highly confident [theyre] going to do well with that intersection, []

If the universe is a vast LEGO set, then the Higgs boson particle decides just how heavy each brick should be. Physicists have already confirmed that it couples correctly to the heaviest blocks, but proving it also gives lighter bricks their weight has been nearly impossible.Charm quarks are mid-weight members of the quark family that occupy the middle ground between the common up/down quarks found in everyday matter and the rare bottom/top quarks produced only in high-energy collisions. They are tricky to study because they live only trillionths of a second before breaking into particle jets that look very similar to other types of particles.Now, with newly trained AI models on the case, researchers at CERNs CMS experiment are finally closing in on the elusive Higgs-to-charm decay signal.Why the Charm Quark Still Puzzles Particle PhysicistsSince its discovery at the Large Hadron Collider in 2012, the Higgs boson has anchored the Standard Model of particle physics by explaining how fundamental particles gain mass. Precise measurements have verified the Higgs interaction with top and bottom quarks, yet its coupling to lighter charm quarks remains unobserved. If the Higgs grants charm quarks a mass that deviates from theoretical predictions, it would hint at physics beyond the Standard Model.The search is a major challenge. Only about one in 70 billion protonproton collisions produces a Higgs boson alongside two top quarks that then decay into a pair of charm quarks. Those charm quarks survive for mere trillionths of a second before erupting into jets of other particles that look almost identical to jets from ordinary up and down quarks. Traditional tagging tools struggle to separate those similar particles, leaving researchers with a task akin to hunting for a single glitter grain in a vast desert of data.An AI Toolkit of Graph Neural Nets and TransformersCERN says the new AI-powered search method allows researchers to measure the Higgscharm interaction more precisely than ever before.Using machine learning models, the researchers have addressed the two biggest problems. The first is the identification of charm jets, which is performed by employing a graph neural network. The second challenge is distinguishing Higgs boson signals from background processes, which the researchers have addressed with a transformer network. Transformer networks are the same model architecture behind large language models, but this model was trained to classify events instead of generating text. The charm-tagging algorithm was trained on hundreds of millions of simulated jets to allow it to recognize charm jets with higher accuracy, CERN says.The Large Hadron Collider at CERN (Source: D-VISIONS/Shutterstock)With data collected from 2016 to 2018, combined with the results from previous searches for the decay of the Higgs boson into charm quarks via other processes, the CMS team set the most stringent limits yet on the interaction between the Higgs boson and the charm quark, reporting an improvement of around 35% compared to previous constraints. CERN says this places significant bounds on potential deviations from the Standard Model prediction.Our findings mark a major step, says Jan van der Linden, a postdoctoral researcher at Ghent University, in a CERN release. With more data from upcoming LHC runs and improved analysis techniques, we may gain direct insight into the Higgs bosons interaction with charm quarks at the LHCa task that was thought impossible a few years ago.What More Data and Smarter Algorithms Could Reveal NextCERN says that as the LHC collects more data, refinements in charm tagging and Higgs boson event classification could eventually allow CMS (and its companion experiment ATLAS) to confirm the Higgs bosons decay into charm quarks.Such a result would significantly advance the understanding of the Higgs mechanism across the full quark family while providing a rigorous benchmark for the Standard Model, which has guided particle physics for the past five decades. Should the AI sift out the charm quarks whisper, it will finish the cosmic LEGO set and prove the Higgs boson hands every brick its weight.

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