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Plants constantly juggle oxygen inside their cells, but scientists have now discovered a surprising twist in how that balance works. Researchers at the University of Helsinki found that mitochondria--the cell's energy generators--can actively pull .. ...

A prehistoric mass grave in Serbia reveals that more than 77 people--mostly women and children--were deliberately killed in a brutal act of violence about 2,800 years ago. Genetic evidence suggests the victims came from different communities, ...

Physicists have long struggled to unite quantum mechanics--the theory governing tiny particles--with Einstein's theory of gravity, which explains the behavior of stars, planets, and the structure of the universe. Researchers at TU Wien have now taken ...

Engineers have discovered an unexpected link between two very different realms of physics: the behavior of electrons in graphene and magnetic waves in specially engineered materials. By designing a thin magnetic film with a hexagonal pattern of holes ...

Astronomers have created the largest and most detailed 3D map yet of a glowing signal from the early universe, revealing hidden galaxies and gas from 9-11 billion years ago. By analyzing faint "Lyman-alpha" light emitted by energized hydrogen, ...

A new brain-imaging study has revealed how ketamine produces its fast antidepressant effects in people with treatment-resistant depression. Researchers tracked changes in a critical brain receptor that helps neurons communicate and found that ...

While exploring ancient seabeds in Morocco, scientists discovered strange wrinkle-like textures in deep-water sediments that shouldn't have been there. These structures are usually made by sunlight-loving microbial mats in shallow waters. But the ...

Satellites are giving scientists a powerful new way to watch over the world's bridges. Using radar imaging, researchers can detect millimeter-scale movements that may signal early structural problems long before inspectors notice them. The study ...

Scientists are exploring a new way to harness the medical promise of psychedelic compounds without the mind-bending side effects. Researchers created modified versions of psilocin -- the active form of psilocybin from "magic mushrooms" -- that still ...

Scientists have uncovered a surprising new role for little-known brain cells called tanycytes that may influence the development of Alzheimer's disease. These specialized cells appear to help remove toxic tau protein from the brain by transporting it ...