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Scientists at Rice University have produced the first full, dye-free molecular atlas of an Alzheimer's brain. By combining laser-based imaging with machine learning, they uncovered chemical changes that spread unevenly across the brain and extend ...

That photogenic cup of bubble tea may come with hidden downsides. Tapioca pearls made from cassava can absorb heavy metals like lead, and in large amounts they may slow digestion or even cause blockages. The drink is often loaded with sugar- ...

Scientists at Oregon State University have engineered a powerful new nanomaterial that zeroes in on cancer cells and destroys them from the inside out. Designed to exploit cancer's unique chemistry--its acidity and high hydrogen peroxide levels--the ...

Scientists have pulled off a feat long considered out of reach: getting light to mimic the famous quantum Hall effect. In their experiment, photons drift sideways in perfectly defined, quantized steps--just like electrons do in powerful magnetic ...

Astronomers have long known the universe is expanding--but exactly how fast remains one of the biggest mysteries in cosmology. Different techniques for measuring the Hubble constant stubbornly disagree, creating the so-called "Hubble tension." Now .. ...

Jupiter's icy moons may have been seeded with the chemical ingredients for life from the very beginning. An international team of scientists modeled how complex organic molecules--essential building blocks for biology--could have formed in the ...

Struggling to fall asleep and stopping breathing at night may be a far riskier combo than previously thought. In a study of nearly a million veterans, researchers found that having both insomnia and sleep apnea dramatically raises the risk of ...

Scientists are taking a closer look at the pill forms of Wegovy and Ozempic. In an animal study, the ingredient SNAC, which helps semaglutide survive the stomach and enter the bloodstream, was associated with changes in gut bacteria, inflammation ...

Scientists have built a massive cellular atlas showing how aging reshapes the body across 21 organs. Studying nearly 7 million cells, they found that aging starts earlier than expected and unfolds in a coordinated way throughout the body. About a ...

A popular climate theory suggested that melting Antarctic glaciers would release iron into the ocean, sparking algae blooms that pull carbon dioxide from the air. New field data from West Antarctica reveal that meltwater provides far less iron than . ...