The 1,100-year-old mystery of Montana’s lost bison hunting site finally solved

For nearly 700 years, Indigenous hunters repeatedly used a bison kill site in central Montana—then suddenly stopped, even though bison were still abundant. Researchers uncovered evidence that recurring, decades-long droughts likely made the site less practical by reducing access to the water needed to process large numbers of animals. At the same time, hunting groups were shifting toward larger, more coordinated operations that required dependable resources and specialized locations.

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Scientists propose a radical new theory for how life began on Earth

Researchers propose that tiny mineral nanoparticles may have been the hidden engines that transformed Earth’s early chemistry into the first building blocks of life. By acting as natural catalysts and energy processors, these “nanozymes” could help explain how lifeless matter gradually became living systems.

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Earth's first animals barely evolved until sex changed everything

Earth’s earliest animals may have held evolution back because they reproduced asexually, creating low-competition communities that changed very little over time. When environmental pressures pushed them toward sexual reproduction, biodiversity exploded and evolution accelerated dramatically.

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Stonehenge's most mysterious stone traveled 700 kilometers across Britain

Scientists have uncovered new evidence that Stonehenge’s six-ton Altar Stone was deliberately transported hundreds of kilometers from Scotland by ancient people. The feat would have required extraordinary planning, teamwork, and determination, revealing a surprisingly sophisticated level of organization thousands of years ago.

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Scientists found a new Alzheimer’s trigger and a drug that stops it

Researchers have identified a new Alzheimer’s target and created an experimental compound that blocks a damaging process inside brain cells. In mice, the treatment slowed nerve cell loss, reduced Alzheimer’s-related changes, and even appeared to promote healthier aging.

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Everyone thought these helmets were Roman until scientists uncovered the truth

Researchers have solved a decades-old mystery by showing that a cache of 43 helmets found off the Spanish coast is medieval, not Roman. The remarkable discovery exposes a thriving weapons trade network that connected Mediterranean powers during a time of piracy, warfare, and growing demand for military equipment.

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Scientists finally complete Schrödinger’s 100-year-old color theory

Researchers have finally resolved a key problem in a 100-year-old theory of color, showing that the qualities we perceive in colors are intrinsic to the mathematics of color space itself. The discovery sharpens our understanding of human vision and could lead to more precise color technologies and visualizations.

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Ozempic and similar weight-loss drugs linked to 30% lower breast cancer risk

A large study found that women taking GLP-1 drugs, the medication class behind Ozempic, Wegovy, Mounjaro, and Zepbound, were about 30% less likely to develop breast cancer. Researchers say the findings are promising but not yet proof, and clinical trials are now being planned to test whether these drugs could help prevent breast cancer.

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Scientists discover a hidden quantum world inside cobalt

Scientists have uncovered unexpected quantum complexity inside cobalt, a metal long thought to be fully understood. Advanced measurements revealed a dense network of topological electronic states that remain robust at room temperature. These states enable extremely fast electron behavior and can be switched or controlled using magnetism. The discovery could open new paths toward next-generation computing and spin-based devices.

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Scientists discover the master clock that controls biological growth and development

A newly discovered genetic clock acts as the master timekeeper for development, orchestrating crucial bursts of gene activity throughout a worm’s growth. When the clock is disrupted, development stops, offering fresh clues about how growth-related disorders may arise.

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NASA's Webb detects methane and strange chemistry on interstellar comet 3I/ATLAS

NASA's James Webb Space Telescope has uncovered unusual chemistry in interstellar comet 3I/ATLAS, including the first direct detection of methane on a visitor from another star system. The comet also contains exceptionally high levels of carbon dioxide, making it unlike most comets born in our solar system. Scientists believe the methane was hidden beneath the surface and only emerged after solar heating reached deeper icy layers.

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Brain scans reveal two distinct types of autism

Scientists have uncovered evidence that autism may include at least two biologically distinct subtypes, each marked by a different pattern of brain communication. By combining brain scans from nearly 1,000 people with autism with insights from 20 genetically engineered mouse models, researchers identified a “hyperconnectivity” subtype, where brain regions communicate more than usual, and a “hypoconnectivity” subtype, where communication is reduced.

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This blood-feeding fly sacrifices its sight after finding a host

Deer keds rely on flight and vision to find a host, but everything changes once they land. After shedding their wings forever, these parasites reduce the activity of key vision-related genes by about half. Scientists believe they are effectively trading sharp eyesight for extra energy that can be used for feeding and reproduction.

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