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A major 10-year clinical trial is turning one of the world's most common knee surgeries on its head. Researchers found that trimming a damaged meniscus--a procedure long believed to relieve pain--offers no real benefit over placebo surgery. Even more ...

A chaotic sleep schedule in your 40s might be quietly setting the stage for heart trouble later. Researchers tracking thousands of people for over a decade found that those with highly inconsistent bedtimes--especially when they slept less than eight ...

Oak trees have a surprising trick to fight back against hungry caterpillars: they simply wait. When trees are heavily attacked one year, they delay leaf growth by just three days the next spring--long enough to leave newly hatched caterpillars with . ...

A scorching, airless world just 48 light-years away is offering scientists a rare glimpse into the geology of distant planets. Using the James Webb Space Telescope, researchers studied LHS 3844 b--a tidally locked "super-Earth" with a permanent ...

Creating complex molecules usually requires years of experience and countless decisions, but a new AI system is changing that. Synthegy lets chemists guide synthesis and reaction planning using simple language, while powerful algorithms generate and ...

A surprising genetic twist shows that boosting a seemingly ordinary "housekeeping" gene can dramatically improve fruit quality without any trade-offs. By increasing the activity of a tRNA-related gene in strawberries, researchers unlocked richer ...

A strange kind of matter that "ticks" forever without energy input has just taken a major leap toward real-world use. Known as a time crystal, this quantum system repeats its motion endlessly--like a clock that never winds down--and scientists have . ...

Researchers at Stanford have developed a compact optical amplifier that dramatically boosts light signals using very little power. By recycling energy inside a looping resonator, the device achieves strong amplification with minimal noise and wide .. ...

Astronomers have spotted something surprising in the far outer Solar System--a faint, short-lived atmosphere clinging to a tiny icy world that shouldn't be able to hold one at all. The object, called 2002 XV93, is far smaller than Pluto, yet ...

Scientists have developed a breakthrough injectable biomaterial that travels through the bloodstream to repair damaged tissue from within, reducing inflammation and jumpstarting healing. In animal studies, it successfully treated heart attack damage ...