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ScienceDaily · 12/18/2025 05:18 EDT

Traces of opium found inside an ancient alabaster vase suggest drug use was common in ancient Egypt, not rare or accidental. The discovery raises the possibility that King Tut’s famous jars once held opiates valued enough to be buried with pharaohs—and stolen by tomb raiders. Read more ›

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ScienceDaily
ScienceDaily · 12/18/2025 03:11 EDT

More than 20% of young adults say they use cannabis or alcohol to fall asleep, with cannabis leading by a wide margin. Researchers warn this strategy can backfire, disrupting sleep quality and increasing the risk of long-term sleep and substance-use problems. Read more ›

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ScienceDaily
ScienceDaily · 12/17/2025 23:53 EDT

AI tools designed to diagnose cancer from tissue samples are quietly learning more than just disease patterns. New research shows these systems can infer patient demographics from pathology slides, leading to biased results for certain groups. The bias stems from how the models are trained and the data they see, not just from missing samples. Researchers also demonstrated a way to significantly reduce these disparities. Read more ›

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ScienceDaily
ScienceDaily · 12/17/2025 23:18 EDT

Researchers have identified a previously overlooked protein that helps regulate appetite and energy use in the body. This “helper” protein supports a key system that decides whether the body burns energy or stores it, and when it does not function properly, appetite signals can weaken. Read more ›

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ScienceDaily
ScienceDaily · 12/17/2025 11:25 EDT

Researchers have shown that quantum signals can be sent from Earth up to satellites, not just down from space as previously believed. This breakthrough could make global quantum networks far more powerful, affordable, and practical. Read more ›

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ScienceDaily
ScienceDaily 1 place · 12/17/2025 10:52 EDT

A long-standing physics mystery has been solved with the discovery of emergent photon-like behavior inside a strange quantum material. The finding confirms a true 3D quantum spin liquid and unlocks a new way to study deeply entangled matter. Read more ›

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ScienceDaily
ScienceDaily · 12/17/2025 08:25 EDT

A missing brain molecule may be disrupting neural wiring in Down syndrome, according to new research. Replacing it in adult mice rewired brain circuits and improved brain flexibility, challenging the idea that treatment must happen before birth. Read more ›

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ScienceDaily
ScienceDaily · 12/17/2025 08:25 EDT

California researchers are preparing for the possible return of the New World screwworm, a parasitic fly that feeds on living flesh and once devastated U.S. livestock. By monitoring traps and educating veterinarians and farmers, they hope to stop the pest before it gains a foothold. Read more ›

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ScienceDaily
ScienceDaily 2 place · 12/17/2025 08:24 EDT

A rare tick-borne allergy linked to red meat has now been confirmed as deadly for the first time. A healthy New Jersey man collapsed and died hours after eating beef, with later testing revealing a severe allergic reaction tied to alpha-gal, a sugar spread by Lone Star tick bites. Symptoms often appear hours later, making the condition easy to miss. Researchers warn that growing tick populations could put more people... Read more ›

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ScienceDaily
ScienceDaily · 12/17/2025 08:02 EDT

Kimchi may do far more than add flavor to meals—it could help fine-tune the human immune system. A clinical study using advanced single-cell genetic analysis found that regular kimchi consumption strengthens immune defenses while preventing harmful overreactions. Researchers observed improved activity in key immune cells, with effects varying depending on fermentation methods. Read more ›

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ScienceDaily
ScienceDaily · 12/17/2025 06:15 EDT

Scientists at Northern Arizona University are developing a promising new way to detect Alzheimer’s disease earlier than ever before—by tracking how the brain uses sugar. Using tiny particles in the blood called microvesicles, researchers may soon be able to gather brain-specific information without invasive procedures. If successful, this approach could transform Alzheimer’s diagnosis, monitoring, and even prevention, much like how doctors manage heart disease today. Read more ›

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ScienceDaily
ScienceDaily · 12/17/2025 05:21 EDT

A mysterious cloud of ultra-hot dust around Kappa Tucanae A may finally have an explanation: a hidden companion star. The star’s extreme orbit carries it straight through the dust zone, strongly suggesting it plays a key role in keeping the dust alive. This finding could help astronomers untangle one of the biggest challenges in imaging Earth-like exoplanets. It also opens the door to discovering similar hidden companions around other stars. Read more ›

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ScienceDaily
ScienceDaily · 12/17/2025 04:08 EDT

People think online platforms are overflowing with toxic and misleading content, but the reality is far calmer. A small group of highly active users creates most of the harm, while the majority remain relatively civil. Still, many Americans assume the worst about each other because of this imbalance. Correcting that belief can noticeably improve how people feel about society. Read more ›

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ScienceDaily
ScienceDaily · 12/17/2025 02:35 EDT

Researchers used miniature human brains grown in the lab to uncover why certain genetic mutations lead to abnormally small brains. Changes in actin disrupted the orientation of early brain cell divisions, causing crucial progenitor cells to disappear too soon. This reduced the brain’s ability to grow normally. The work offers a clear cellular explanation for microcephaly linked to Baraitser-Winter syndrome. Read more ›

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ScienceDaily
ScienceDaily · 12/16/2025 23:26 EDT

Over 8,000 years ago, early farming communities in northern Mesopotamia were already thinking mathematically—long before numbers were written down. By closely studying Halafian pottery, researchers uncovered floral and plant designs arranged with precise symmetry and numerical patterns, revealing a surprisingly advanced sense of geometry. Read more ›

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ScienceDaily
ScienceDaily 2 place · 12/16/2025 09:25 EDT

A museum visit sparked a revelation when a Roman glass cup was turned around and its overlooked markings came into focus. These symbols, once dismissed as decoration, appear to be workshop identifiers used by teams of skilled artisans. The findings challenge centuries of assumptions about how Roman glass was made. They also restore identity and agency to the anonymous makers behind these stunning objects. Read more ›

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ScienceDaily
ScienceDaily 3 place · 12/16/2025 08:54 EDT

Cells may generate their own electrical signals through microscopic membrane motions. Researchers show that active molecular processes can create voltage spikes similar to those used by neurons. These signals could help drive ion transport and explain key biological functions. The work may also guide the design of intelligent, bio-inspired materials. Read more ›

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ScienceDaily
ScienceDaily · 12/16/2025 08:32 EDT

Cases of colorectal cancer in younger adults are climbing worldwide, driven by lifestyle changes and inherited genetic risks. Diet, obesity, and lack of early screening are playing a major role in this shift. New genetic tests offer hope for earlier detection, but access and awareness lag behind. Health experts say urgent action is needed to reverse the trend. Read more ›

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ScienceDaily
ScienceDaily · 12/16/2025 08:19 EDT

Scientists have digitally reconstructed the face of a 1.5-million-year-old Homo erectus fossil from Ethiopia, uncovering an unexpectedly primitive appearance. While its braincase fits with classic Homo erectus, the face and teeth resemble much older human ancestors. This discovery challenges long-held ideas about where and how Homo erectus evolved. It also hints at a complex web of migrations and possible mixing between early human species. Read more ›

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ScienceDaily
ScienceDaily · 12/16/2025 08:19 EDT

Ramanujan’s elegant formulas for calculating pi, developed more than a century ago, have unexpectedly resurfaced at the heart of modern physics. Researchers at IISc discovered that the same mathematical structures behind these formulas also describe real-world phenomena like turbulence, percolation, and even black holes. What once seemed like pure mathematics now appears deeply intertwined with the physical laws governing the universe. Read more ›

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