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Subtle changes in brain blood flow and oxygen use are closely linked to hallmark signs of Alzheimer's, including amyloid plaques and memory-related brain shrinkage. Simple, noninvasive scans may one day help spot risk earlier--by looking at the brain ...

Deep inside the Milky Way, an invisible force is quietly holding everything together -- its magnetic field. Now, researchers have created one of the most detailed maps ever of this hidden structure, revealing surprising twists in how it flows through ...

Scientists have proposed a surprising connection between solar flares and earthquakes. When solar activity disturbs the ionosphere, it may generate electric fields that penetrate fragile fracture zones in Earth's crust. If a fault is already ...

Deep in the Congo Basin, vast peatlands quietly store enormous amounts of Earth's carbon -- but new research suggests this ancient vault may be leaking. Scientists studying Africa's largest blackwater lakes discovered that significant amounts of ...

A newly identified ichthyosaur from the UK's Jurassic Coast is rewriting part of the prehistoric playbook. Nicknamed the "Sword Dragon of Dorset," the three-meter-long marine reptile lived during a poorly understood window of evolution when major ...

Researchers are engineering bacteria to invade tumors and consume them from the inside. Because tumor cores lack oxygen, they're the perfect breeding ground for these microbes. The team added a genetic tweak that helps the bacteria survive longer ...

Training harder may do more than build muscle--it could transform your gut. Researchers found that intense workouts change the balance of bacteria and important compounds in athletes' digestive systems. When training loads dropped, diet quality ...

A UCLA study in mice reveals that aging muscle stem cells accumulate a protein that slows repair but boosts survival. This protein, NDRG1, acts like a brake, preventing cells from activating quickly after injury. When researchers blocked it in older ...

Far beneath the Atlantic Ocean, about 1,000 kilometers off Portugal's coast, lies a colossal underwater canyon system that dwarfs even the Grand Canyon. Known as the King's Trough Complex, this 500-kilometer stretch of trenches and deep basins formed ...

A century after Erwin Schrödinger sketched out a bold vision for how we perceive color, scientists have finally filled in the missing pieces. A Los Alamos team used advanced geometry to show that hue, saturation, and lightness aren't shaped by ...