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Science26 Mar 2025

Study shows link between the start of the working day and time preferences

Those who start work earlier express more discomfort with the seasonal time change. This is the main conclusion of a study that the lecturers at the University of Santiago de Compostela (USC) and the University of Seville (US), Jorge Mira Pérez and José María Martín Olalla, have just published in the journal Chronobiology International, in which they analyse in detail the results of the public consultation organised by the European Commission in 2018 in the then 28 member states, which ...

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Environment26 Mar 2025

Scientists discovered chemical oscillations in palladium nanoparticles, paving the way for recycling precious metal catalysts

Scientists have for the first time filmed the real-time growth and contraction of Palladium nanoparticles, opening new avenues for utilising and recycling precious metal catalysts. Researchers at the University of Nottingham’s School of Chemistry used transmission electron microscopy (TEM) to observe the complete lifecycle of palladium nanoparticles in a liquid environment, from nucleation through growth to dissolution, with the entire cycle repeating multiple times. This study has been published today in Nanoscale. One of the most important applications of metal nanoparticles is in catalysis, which forms a backbone of chemical industries. Dr Jesum Alves ...

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Medicine26 Mar 2025

Tadpoles try to flee dangerous virus in their pond by growing much faster than normal

The world’s amphibians are in trouble. Because of their sensitivity to climate change, habitat loss, and pollution, they may be the canary in the coalmine for the nascent anthropogenic mass extinction. Approximately 200 amphibian species have become extinct since the 1970s, and the International Union for the Conservation of Nature estimates that 34% of the 7,296 known remaining species are likewise at risk. Another reason why amphibians are vulnerable is their susceptibility to disease. An emerging, potentially deadly disease of frogs and salamanders is ranavirus, a genus of at least seven species within the family Iridoviridae. Ranavirus can rapidly jump ...

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Science26 Mar 2025

Build it and they shall come

Designing walkable neighborhoods has gained attention as a method to increase physical activity among urban populations. Moreover, highly walkable areas stimulate increased neighborhood retail sales, higher property values, and greater urban sustainability. However, only limited methods are available for improving walkability in the urban centers of highly motorized suburban cities. In the urban areas of suburban cities, increasing land-use diversity by opening a multifunctional facility is considered one of the most effective strategies for an architecture-scale intervention. Dr. Haruka Kato, ...

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Energy26 Mar 2025

How elephants plan their journeys: New study reveals energy-saving strategies

UNDER EMBARGO UNTIL 05:01 GMT / 01:01 ET WEDNESDAY 26 MARCH 2025 How elephants plan their journeys: New study reveals energy-saving strategies A new study has revealed that African Elephants have an extraordinary ability to meet their colossal food requirements as efficiently as possible. Data from over 150 elephants demonstrated that these giants plan their journeys based on energy costs and resource availability. The findings – published today (26 March) in the Journal of Animal Ecology– could provide crucial information to help protect these iconic animals and their habitats. Being an elephant is no easy task. As massive herbivores weighing several ...

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Science26 Mar 2025

New study challenges the ‘monogamy-superiority myth’, as non-monogamous people report just as happy relationships and sex lives

Monogamous and non-monogamous individuals report similar levels of satisfaction in both their relationships and sex lives, according to a comprehensive new meta-analysis. Published today in The Journal of Sex Research, the peer-reviewed study debunks the prevailing belief that monogamous relationships – defined as exclusive romantic and sexual commitment to one partner – are inherently superior in fostering fulfilling relationships compared to alternative structures. While monogamy has been the predominant type of relationship in much of recent Western history, many individuals choose alternative structures. Non-monogamy includes various ...

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Medicine26 Mar 2025

Government of Guyana, Mount Sinai Health System and Hess Corporation announce five-year extension of national healthcare initiative.

His Excellency Dr. Irfaan Ali, President of the Co-operative Republic of Guyana, today announced a five-year extension of the national healthcare initiative to transform Guyana’s public health system with world-class healthcare services accessible to every Guyanese citizen. This next phase of the initiative, launched in 2022 by the Government of Guyana in collaboration with the Mount Sinai Health System and Hess Corporation, will include establishment of a national cancer center, continued modernization of national health facilities including Georgetown Public Hospital Corporation, and the implementation of one ...

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Medicine26 Mar 2025

Preclinical study: after heart attack, a boost in anti-inflammatory cells promoted healing

A scientific technique that rapidly increases the body’s production of anti-inflammatory cells promoted healing from heart attacks in mice, according to a new study by investigators from the Smidt Heart Institute at Cedars-Sinai. Once adapted to treat humans, the technique could potentially be used to repair heart muscle damage after a heart attack and be applied to a variety of inflammatory disorders. The investigators’ findings were published in the peer-reviewed Journal of Clinical Investigation. Heart attacks occur when the heart muscle is damaged by reduced blood flow from one or more arteries. They strike more than ...

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Medicine26 Mar 2025

Glucose revealed as a master regulator of tissue regeneration in Stanford Medicine study

The sugar glucose, which is the main source of energy in almost every living cell, has been revealed in a Stanford Medicine study to also be a master regulator of tissue differentiation — the process by which stem cells give rise to specialized cells that make up all the body’s tissues. It does so not by being catabolized, or broken down, to release the energy sequestered in its chemical bonds, but instead by binding in its intact form to proteins that control which genes in the genome are made into proteins and when. The discovery of glucose’s undercover double life was so surprising the researchers ...

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Medicine25 Mar 2025

Open-label placebo appears to reduce premenstrual symptoms, study suggests

Women affected by premenstrual syndrome (PMS) appear to experience less intense and debilitating symptoms after taking placebo pills even when told they do not contain any active medication, suggests a study published in the open-access journal BMJ Evidence-Based Medicine. PMS can result in significant distress for women of reproductive age and cause psychological symptoms such as irritability, depressed mood, and mood swings as well as physical symptoms including breast tenderness, bloating, and joint pain. Women ...

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Science25 Mar 2025

New mums advised to do two hours of moderate to vigorous exercise a week

New mums should be strongly encouraged to begin clocking up at least two hours of moderate to vigorous intensity physical activity such as brisk walking and muscle strengthening exercises each week in the first three months after birth, when physically able, to improve health and well-being, say experts in a new guideline published by the British Journal of Sports Medicine. They also strongly recommend daily pelvic floor muscle training to reduce the risk of urinary incontinence, and taking steps to improve sleep ...

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Medicine25 Mar 2025

Milk as Medicine: New Study Shows Breast Milk Transforms Challenges into Triumphs

OKLAHOMA CITY – In 2010, University of Oklahoma researcher David Fields, Ph.D., was pouring over research data when he discovered something he thought was odd: His data showed that at 6 months of age, formula-fed babies born of mothers who were categorized as medically obese weighed about 5% units less fat than breastfed babies in the same dataset. That discovery struck him as unusual and led him on a research journey to better understand breast milk. Now, he’s studying the connections between maternal gestational diabetes, breastfeeding and infant health. Fields is part of the research team behind a recent study ...

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Medicine25 Mar 2025

CU Cancer Center researchers identify the ‘switch’ that allows intestinal cells to regenerate after injury

Researchers from the University of Colorado Cancer Center have solved a cellular mystery that may lead to better therapies for colorectal and other types of cancer. Peter Dempsey, PhD, professor of pediatrics–developmental biology in the CU School of Medicine, and Justin Brumbaugh, PhD, assistant professor of molecular, cellular, and developmental biology at CU Boulder, recently published a paper in the journal Nature Cell Biology showing the importance of the H3K36 methylation process in regulating plasticity and regeneration in intestinal cells. “The intestine has an ...

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Medicine25 Mar 2025

Special issue of Academic Emergency Medicine explores the science of errors in emergency care

Des Plaines, IL — Academic Emergency Medicine (AEM), the peer-reviewed journal of the Society for Academic Emergency Medicine (SAEM), has published its March issue dedicated to the topic of errors in emergency care, with a strong emphasis on diagnostic error. This special issue, supported by the Agency for Healthcare Research and Quality (AHRQ), brings together leading scholars and clinicians to discuss aspects of errors relevant to emergency care and propose actionable solutions. Following the landmark 2015 National Academies report, “Improving Diagnosis in Healthcare,” national awareness of diagnostic errors has increased significantly. Errors—ranging from ...

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Medicine25 Mar 2025

Organoid fusions as models to study meninges-brain signaling

A new study in the peer-reviewed journal Stem Cells and Development describes the development of a co-culture system of neural organoids generated from human induced pluripotent stem cells (iPSCs) fused with fetal leptomeninges from mice with fluorescently labeled meninges, called leptomeningeal neural organoid (LMNO) fusions. Click here to read the article now. Vivian Gama, PhD, from Vanderbilt University, Julie Siegenthaler, PhD, from University of Colorado Anschutz Medical Campus, and coauthors, present a proof-of-concept study that tests the stability of the different cell types in the leptomeninges (fibroblasts and macrophages) and the fused neural organoid ...

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Science25 Mar 2025

A multimodal light manipulator

Interferometers, devices that can modulate aspects of light, play the important role of modulating and switching light signals in fiber-optic communications networks and are frequently used for gas sensing and optical computing. Now, applied physicists at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have invented a new type of interferometer that allows precise control of light’s frequency, intensity and mode in one compact package. Called a cascaded-mode interferometer, it is a single waveguide on a silicon-on-insulator ...

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Technology25 Mar 2025

OU researcher leverages technology for alcohol disorder interventions in primary care

OKLAHOMA CITY – According to the Centers for Disease Control and Prevention, 1 in 7 adults in the United States will experience a substance use disorder during their lifetime. University of Oklahoma College of Medicine faculty member Brandi Fink, Ph.D., is working with primary care clinics and health care systems to identify people with an alcohol use disorder and intervene early before the problem worsens. Fink, an associate professor in the Department of Psychiatry and Behavioral Sciences, created an assessment for patients to fill out on an iPad while waiting for an appointment ...

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Technology25 Mar 2025

Automated lead nurturing boosts sales—but only under the right conditions

Businesses invest billions in marketing automation, and many assume that Automated Lead Nurturing (ALN) is a proven driver of sales. However, a new Journal of Marketing study reveals that ALN is not a one-size-fits-all solution. The research finds that while ALN improves engagement and enhances salesperson–lead interactions, its impact on sales conversions varies significantly across industries and customer segments. Authored by Johannes Habel (University of Houston), Nathaniel Hartmann (University of South Florida), Phillip Wiseman (Texas Tech University), Michael Ahearne (University of ...

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Science25 Mar 2025

Lessons from Venezuela’s democratic collapse: How opposition movements can defy autocratic leaders

Until the 1990s, Venezuela was home to one of the most established democracies in Latin America. Today, however, it stands as one of the region’s most firmly entrenched authoritarian regimes. How did this shift occur, and what can other countries learn from Venezuela’s transformation? A new paper from political scientist Laura Gamboa at the University of Notre Dame chronicles the country’s 25-year evolution, during which Hugo Chávez and his successor, Nicolás Maduro, destroyed ...

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Environment25 Mar 2025

USU ecologists document Utah's bee species and say beehive state is rich in bee diversity

TOOELE, UTAH, USA -- Wildlife conservation is critical to sustaining the planet’s biodiversity and health. But putting together a conservation plan is a tall order. First of all, you need to determine what species you’re conserving, along with their numbers, habitat needs, threats and how they fit into a complex ecosystem. As pollinators for native plants and food crops, bees play a pivotal role in our ecosystem, according to Utah State University ecologist Joseph Wilson. He and undergraduate researcher Anthony Hunsaker took on the herculean task of documenting Utah’s bee species using online occurrence records from the Symbiota Collection of Arthropods ...

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Science25 Mar 2025

A hit of dopamine tells baby birds when their song practice is paying off

DURHAM, N.C. -- In his home office in Durham, Duke neuroscientist Richard Mooney shows a series of images of a bird’s brain on song. In one, what looks like a pointillist painting illustrates a young zebra finch’s myriad attempts to sound more like an adult, capable of wooing a mate. In another, squiggly lines trace the ebb and flow of chemical signals in the reward circuit of the bird’s brain. “Their songs don’t sound like much at first,” said Mooney, who has studied birdsong for four decades. That’s because some things take considerable practice to master. Nobody walks onto a tennis court for the first time and plays ...

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Science25 Mar 2025

Basketball analytics investment is key to NBA wins and other successes

If you filled out a March Madness bracket this month, you probably faced the same question with each college match-up: What gives one team an edge over another? Is it a team’s record through the regular season? Or the chemistry among its players? Maybe it’s the experience of its coaching staff or the buzz around a top scorer. All of these factors play some role in a team’s chance to advance. But according to a new study by MIT researchers, there’s one member who consistently ...

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Science25 Mar 2025

Scientific cooperation is strategic for Brazil to strengthen relations with Europe

Relations between Europe and South America – and especially with Brazil - are at a favorable moment, due to factors such as the free trade agreement between Mercosur and the European Union, signed in December 2024 and currently being approved. However, in order to take advantage of this window of opportunity and be competitive, Brazil must continue to expand scientific and technological cooperation with European partners. This assessment was made by the Brazilian Ambassador to Germany, Roberto Jaguaribe, ...

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Medicine25 Mar 2025

Engineering antibodies with a novel fusion protein

The Food and Drug Administration has approved more than 100 monoclonal antibodies to treat a range of diseases. Other antibodies are used by physicians to diagnose conditions or by scientists to advance research projects. Even with significant expansion in the global market for antibodies used in clinical care and research, scientists recognize that there is still untapped potential for finding new antibodies. Many proteins group together in what are called protein complexes to carry out biological functions. The traditional method of generating antibodies by immunizing animals struggles to make antibodies related to these protein complexes. The conventional ...

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Medicine25 Mar 2025

Transforming cardiovascular care through upfront combination therapy

NEW ORLEANS - Ochsner Health Medical Director for Cardiac Rehabilitation and Preventive Cardiology, Carl J. “Chip” Lavie, Jr., MD, recently co-authored a groundbreaking research study featured in the prestigious Mayo Clinic Proceedings highlighting the comparative efficacy of lipid-lowering therapies for reducing cardiovascular risks and led by Maciej Banach, MD,PhD from Poland and leader of the International Lipid Expert Panel ( ILEP). Impact of Lipid-Lowering Combination Therapy With Statins ...

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