Researchers report on the influence of an endophytic fungus of the genus Cladosporium on the defense of black poplars against herbivorous insects. The fungus, which lives inside the leaves, not only increases the production of defensive substances in the trees, but also produces an alkaloid itself that protects the trees from feeding damage. The research team has also shown in field studies that the presence of the fungus influences the... Read more ›
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With ideal conditions and strategic pacing and drafting, Kenyan Faith Kipyegon is on the brink of hitting the fabled track and field milestone, a new study suggests. The authors are now calling for a staged 'Breaking 4' event to help her do it. Read more ›
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Our organs age at different rates, and a blood test determining how much they've each aged could predict the risk of conditions like lung cancer and heart disease decades later, finds a new study. Read more ›
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How can the loss of species and habitats in agricultural landscapes be stopped? Up to now, measures have mostly been implemented by individual farms. In contrast, agri-environmental measures that are planned across farms at landscape level offer greater potential for creating suitable habitats for different species as a mosaic in the landscape. However, successful landscape level approaches also require cooperation between farms and other stakeholders from local governments, politics and... Read more ›
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From integrated photonics to quantum information science, the ability to control light with electric fields -- a phenomenon known as the electro-optic effect -- supports vital applications such as light modulation and frequency transduction. These components rely on nonlinear optical materials, in which light waves can be manipulated by applying electric fields. Read more ›
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Identifying and delineating cell structures in microscopy images is crucial for understanding the complex processes of life. This task is called 'segmentation' and it enables a range of applications, such as analyzing the reaction of cells to drug treatments, or comparing cell structures in different genotypes. It was already possible to carry out automatic segmentation of those biological structures but the dedicated methods only worked in specific conditions and adapting... Read more ›
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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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19.06.2026 08:20
Last update: 08:12 EDT.
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