New research has revealed how massive ancient glaciers acted like giant bulldozers, reshaping Earth's surface and paving the way for complex life to flourish. By chemically analyzing crystals in ancient rocks, the researchers discovered that as glaciers carved through the landscape, they scraped deep into the Earth's crust, releasing key minerals that altered ocean chemistry. This process had a profound impact on our planet's composition, creating conditions that allowed complex... Read more ›
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A new AI model can flag female patients who are at higher risk of heart disease based on an electrocardiogram (ECG). Read more ›
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A new species of manzanita -- a native California shrub famous for its twisted branches and wildfire resilience -- has been discovered on the central coast, but its survival is already threatened by urban development that could destroy much of its fragile population. Read more ›
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A concussion clinic changed its childhood concussion policies in 2017. A new study of this protocol change shows the approach, which recommended concussed kids begin rehab two weeks or less after injury, benefited patients and decreased recovery time significantly. Read more ›
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Working toward more effective tuberculosis (TB) vaccines, researchers have developed two strains of mycobacteria with 'kill switches' that can be triggered to stop the bacteria after they activate an immune response. Read more ›
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Researchers are investigating whether certain viruses known as bacteriophages, or phages, which specifically infect bacteria but not human cells, affect the development of type 1 diabetes in young children. Read more ›
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When faced with multiple food options and ultimately choosing one, the factors of that decision-making process may be more physiological than previously assumed. A group of scientists recently discovered that the hormone fibroblast growth factor 21, or FGF21, plays an influential role in brain reward mechanisms like those involved in dietary choices. Read more ›
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Lowering the body temperature of preterm infants (born at 33 to 35 weeks of pregnancy) with hypoxic ischemic encephalopathy (HIE -- a type of brain damage caused by oxygen loss -- offers no benefits over standard care, according to a new study. Previous studies of near-term and term infants (born after 36 weeks) with HIE found that this cooling treatment, which lowers body temperature to about 92 degrees Fahrenheit, significantly... Read more ›
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New observations of 2024 YR4 conducted with the European Southern Observatory's Very Large Telescope (ESO's VLT) and facilities around the world have all but ruled out an impact of the asteroid with our planet. The asteroid has been closely monitored in the past couple of months as its odds of impacting Earth in 2032 rose to around 3%, the highest impact probability ever reached for a sizable asteroid. After the... Read more ›
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Researchers have investigated the structure and light energy transfer efficiency of a protein complex crucial to the photosynthesis of purple sulfur bacteria thriving in high-salt, high-alkaline environments. Cryo-electron microscopy observation and computer analysis revealed that this unique protein complex significantly enhances energy conversion ability. Read more ›
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Some animals are capable of cooperating with members of other species. An interdisciplinary team explores the cognitive underpinnings of such cross-species collaborations, opening up a new perspective on the evolution of intelligence and cooperation in the animal kingdom. Read more ›
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Scientists have found Siamese fighting fish are typically kept in containers just one-quarter the size they need to thrive, challenging decades of retail practice in the ornamental fish industry worldwide. Read more ›
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A study shows birds worldwide make strategic decisions about how they live based on their environmental conditions. Some live fast, die young, and leave as many chicks as possible. Others live long and prosper by not breeding much. Read more ›
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The Beatles said it best: Love is all you need. And according to new research, the same may be true in the animal kingdom. Well, at least for mosquitofish -- a matchstick-sized fish endemic to Central America and now found globally. According to the scientists, male mosquitofish possess impressive problem-solving skills and can successfully navigate mazes and other tests. Males that perform better have a higher chance of mating. Read more ›
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Labor market policies shape firms' innovation dynamics. A new study shows for the first time that higher minimum wages for low-skill jobs drive firms to develop automation technologies. Rising wages for high-skill labor, in contrast, can hamper this effect. Read more ›
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Blue-enriched light can improve sleep quality and daily activity in older adults living at home, according to new research. Researchers found that this type of light therapy led to greater daytime activity, earlier bedtimes, regular sleep patterns and improved sleep quality, offering a promising, non-pharmacological approach to address age-related sleep challenges. Read more ›
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Astronomers have discovered that the Solar System traversed the Orion star-forming complex, a component of the Radcliffe Wave galactic structure, approximately 14 million years ago. This journey through a dense region of space could have compressed the heliosphere, the protective bubble surrounding our solar system, and increased the influx of interstellar dust, potentially influencing Earth's climate and leaving traces in geological records. Read more ›
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Silicon is the best-known semiconductor material. However, controlled nanostructuring drastically alters the material's properties. Using a specially developed etching apparatus, a team has now produced mesoporous silicon layers with countless tiny pores and investigated their electrical and thermal conductivity. For the first time, the researchers elucidated the electronic transport mechanism in this mesoporous silicon. The material has great potential for applications and could also be used to thermally i Read more ›
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Cadmium selenide nanoplatelets provide a promising foundation for the development of innovative electronic materials. Since the turn of the millennium, researchers around the world have taken a particular interest in these tiny platelets, which are only a few atoms thick, as they offer extraordinary optical and other properties. A team has now taken an important step towards the systematic production of such nanoplatelets. Read more ›
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One particular challenge in the treatment of cancer is therapy resistance. An international research team has now discovered a mechanism that opens up new treatment strategies for tumours in which conventional chemotherapeutic agents have reached their limits. Read more ›
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21.06.2026 04:57
Last update: 04:45 EDT.
News rating updated: 11:50.
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