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New Study Links Ultra-Processed Foods to 30% Higher Risk of Dementia
A landmark 15-year study tracking 72,000 participants across the UK has found that eating a diet high in ultra-processed foods increases dementia risk by 30%, with every 10% increase in UPF consumption raising risk by 25%.
Stanford's AI-Powered Tutor AITA Doubles Student Learning Speed in Global Pilot
A 50,000-student global pilot of Stanford's AI Teaching Assistant showed students learning concepts twice as fast as in traditional classrooms, with no reduction in deep understanding or long-term retention.
Arctic Sea Ice Reaches All-Time Low Extent: Scientists Warn of Irreversible Tipping Point
Arctic sea ice extent reached a record low of 3.1 million square kilometres in September, 900,000 km² below the previous record, prompting urgent warnings from climate scientists about approaching irreversible climate tipping points.
US Federal Reserve Holds Rates Steady Amid Mixed Economic Signals
The Federal Reserve maintained its benchmark interest rate at 5.25%-5.5% for the fourth consecutive meeting, citing ongoing uncertainty around inflation trajectory and labor market conditions.