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Pioneering ADHD researcher reveals biological pathways linking genes to behavior

2025-05-27
NIJMEGEN, The Netherlands, 27 May 2025 – In a comprehensive Genomic Press interview published today, Professor Barbara Franke unveils her remarkable scientific journey from an inquisitive child fascinated by nature to becoming one of the world's most influential researchers in biological psychiatry. The molecular psychiatrist at Radboud University has fundamentally transformed our understanding of how genetic variations lead to altered behavior in neurodevelopmental conditions, particularly ...

Mitochondrial DNA mutation accumulation may not be a determining factor in aging

2025-05-27
Tsukuba, Japan—The human genome is broadly classified into the genome residing in the cell nucleus (nuclear DNA) and the genome residing in the mitochondria (mitochondrial DNA: mtDNA). Mitochondria are cell organelles that produce energy essential for life activities through oxidative phosphorylation (mitochondrial respiration), and mtDNA encodes a set of genes required for mitochondrial respiration. Previous research has led to the widely accepted hypothesis that the accumulation of multiple mutations in mtDNA with aging induces a decline in mitochondrial respiratory function, resulting in the "mitochondrial theory of aging." Nevertheless, whether the decrease in mitochondrial ...

Researchers unveil epigenetic mechanism of cold adaptation in rice

2025-05-27
Chinese researchers recently uncovered molecular evidence supporting Lamarckism—a long-debated theory from the early 19th century that acquired characteristics can be inherited.  The evidence was revealed in a new study by scientists from the Institute of Genetics and Developmental Biology of the Chinese Academy of Sciences, which deciphered the evolutionary patterns of cold adaptation during rice's northward expansion. The study was published on May 22 in Cell.  Led by Prof. CAO Xiaofeng, the researchers demonstrated that DNA methylation—a form of epigenetic variation ...

Hitting the right notes to play music by ear

2025-05-27
Learning to play music by ear is challenging for most musicians, but research from a team at the University of Waterloo may help musicians-in-training find the right notes. The Waterloo team analyzed a range of YouTube videos that focused on learning music by ear and identified four simple ways music learning technology can better aid prospective musicians – helping people improve recall while listening, limiting playback to small chunks, identifying musical subsequences to memorize, and replaying notes indefinitely. “There ...

ASH and ISTH publish revised clinical practice guidelines for pediatric venous thromboembolism

2025-05-27
(WASHINGTON—May 27, 2025) The American Society of Hematology (ASH) and the International Society on Thrombosis and Haemostasis (ISTH) released new and updated clinical practice guidelines for the treatment of pediatric venous thromboembolism (VTE). The guidelines, published in ASH’s peer-reviewed journal Blood Advances, were developed by an expert panel following a rigorous review process. They aim to improve health outcomes by providing evidence-based recommendations for managing VTE in children.    The ...

Space-to-ground infrared camouflage with radiative heat dissipation

2025-05-27
In recent years, the space industry has experienced unprecedented explosive growth, with the number of satellite launches increasing exponentially. By the end of 2023, the number of global operational spacecraft exceeded 9,850, and the annual revenue of the space economy reached a staggering $400 billion. As space technology becomes increasingly integrated into our daily lives, enhancing the stealth of high-value space objects like spacecraft to reduce the risk of detection has become a critical challenge.   Currently, space objects face ground-based detection threats primarily ...

High-speed binary phase-engraved superpixels improve complex light modulation

2025-05-27
Complex modulation of optical fields (i.e., the control of light’s amplitude and phase) is vital to the application of lasers in diverse fields, such as optical communication, three-dimensional display, biomedical imaging, and astronomy. Yet, despite dazzling progress seen by applications of complex field modulation (CFM), improvements to technical capabilities such as accuracy, speed, and versatility remain highly in demand.   Key to the overall performance of CFM technologies are spatial light modulators (SLMs): advanced devices that provide two-dimensional arrays of electronically addressable pixels whose optical properties can be independently controlled to ...

Herbal medicine for the mind: Traditionally used medicinal plants for memory loss from the Indian subcontinent

2025-05-27
Burden of Memory Disorders and the Role of Traditional Medicine The growing global population of elderly individuals has led to a dramatic rise in chronic diseases, including neurocognitive disorders such as Alzheimer’s disease. These conditions, which are expected to affect over 150 million people worldwide by 2050, are marked by memory loss, impaired judgment, and cognitive decline. While pharmacological interventions exist, their limitations in accessibility, affordability, and side effect profiles have prompted the exploration of holistic approaches. This review emphasizes traditional ...

Study finds significant declines in maternal mental health across US

2025-05-27
A new study published in JAMA Internal Medicine reveals a concerning decline in self-reported mental health among mothers in the United States between 2016 and 2023. Conducted by researchers at the Columbia University Mailman School of Public Health, the study also found modest but measurable declines in self-reported physical health during the same period. This large-scale analysis examined data from 198,417 mothers who participated in the National Survey of Children’s Health (NSCH), a nationally representative annual survey of households with children aged 0–17. Most participating mothers were over age 30, and over half had a privately ...

Characterizing long COVID symptoms during early childhood

2025-05-27
About The Study: This cohort study identified symptom patterns and derived research indices that were distinct between the 2 age groups (infants/toddlers [0-2 years] vs preschool-aged children [3-5 years]) and differed from those previously identified in older ages, demonstrating the need to characterize long COVID separately across age ranges.  Corresponding Author: To contact the corresponding author, Rachel S. Gross, MD, MS, email rachel.gross@nyulangone.org. To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/ (doi:10.1001/jamapediatrics.2025.1066) Editor’s ...

Weight loss in midlife, chronic disease incidence, and all-cause mortality during extended follow-up

2025-05-27
About The Study: In this study, conducted when surgical and pharmacological weight-loss interventions were nearly nonexistent, sustained midlife weight loss compared with persistent overweight was associated with a decreased risk of chronic diseases beyond type 2 diabetes and decreased all-cause mortality. Corresponding Author: To contact the corresponding author, Timo E. Strandberg, MD, PhD, email timo.strandberg@helsinki.fi. To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/ (doi:10.1001/jamanetworkopen.2025.11825) Editor’s Note: Please see the article for additional information, ...

Patient-delivered continuous care for weight loss maintenance

2025-05-27
About The Study: In this trial, patient-delivered lifestyle intervention (mentor interventionists plus peer support) yielded significantly better weight loss maintenance and cardiovascular risk outcomes compared with standard-of-care treatment delivered by professionals. Future research may examine the effectiveness of this novel treatment approach in community and clinical settings.  Corresponding Author: To contact the corresponding author, Tricia M. Leahey, PhD, email tricia.leahey@uconn.edu. To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/ (doi:10.1001/jamainternmed.2025.1345) Editor’s ...

HIV drug can improve vision in patients with common diabetes complication, clinical trial suggests

2025-05-27
An inexpensive, long-approved HIV drug can improve vision in patients with a blinding complication of diabetes more effectively and a much lower cost than many existing treatments, an initial clinical trial suggests. Further, the drug is taken orally, potentially offering patients an alternative to monthly injections directly into their eyes. The drug, lamivudine, could represent an important new option for millions of patients with diabetic macular edema (DME), a condition which causes fluid to build up in the retina of the eye. ...

New fuel cell could enable electric aviation

2025-05-27
Batteries are nearing their limits in terms of how much power they can store for a given weight. That’s a serious obstacle for energy innovation and the search for new ways to power airplanes, trains, and ships. Now, researchers at MIT and elsewhere have come up with a solution that could help electrify these transportation systems. Instead of a battery, the new concept is a kind of fuel cell — which is similar to a battery but can be quickly refueled rather than recharged. In this case, the fuel is liquid sodium metal, an inexpensive and widely available commodity. The other side of the cell is just ordinary air, which serves as ...

New clinical practice guideline for the surgical management of chronic rhinosinusitis in adults

2025-05-27
ALEXANDRIA, VA —The American Academy of Otolaryngology–Head and Neck Surgery Foundation (AAO-HNSF) published the new Clinical Practice Guideline (CPG): Surgical Management of Chronic Rhinosinusitis today in Otolaryngology–Head and Neck Surgery. Chronic rhinosinusitis (CRS) affects 11.6% of adults and prompts 4.1 million annual ambulatory visits. "Chronic rhinosinusitis doesn't just affect the nose—it can influence a person's general life. Patients can struggle with poor sleep, ...

Newly discovered ‘molecular fingerprints’ could transform diabetes treatment and diagnosis

2025-05-27
Scientists have unearthed surprising details about how our bodies handle insulin – the hormone that plays a crucial role in regulating blood sugar and developing diabetes. The discovery could lead to better treatment of type 2 diabetes and earlier diagnosis, potentially even before the disease develops. In a new paper in the scientific journal Cell, researchers from the University of Copenhagen found that all individuals have unique and varying degrees of insulin resistance at the molecular level. The discovery of this ‘molecular fingerprint’ for insulin sensitivity challenges the traditional binary classification ...

MicroRNA-124-3p and brain-derived neurotrophic factor in rat spinal cord injury: Inverse expression pattern

2025-05-27
Spinal cord injury (SCI) significantly impacts the central nervous system, with limited effective treatments available. Brain-derived neurotrophic factor (BDNF) plays a crucial role in neuronal growth, survival, and regeneration after SCI. MicroRNAs, particularly miR-124-3p, have been implicated in SCI pathophysiology. However, the relationship between miR-124-3p and BDNF in the context of SCI remains unclear. This study aimed to investigate the correlation between miR-124-3p expression and BDNF levels in a rat model of spinal cord injury and to assess how the timing of injury affects this relationship. Methods This study included 72 male Wistar rats divided ...

Oldest whale bone tools discovered

2025-05-27
Humans were making tools from whale bones as far back as 20,000 years ago, according to a study conducted by scientists from the Institute of Environmental Science and Technology of the Universitat Autònoma de Barcelona (ICTA-UAB), the French National Centre for Scientific Research (CNRS), and the University of British Columbia. This discovery broadens our understanding of early human use of whale remains and offers valuable insight into the marine ecology of the time.  Whales, the largest animals on Earth, were an important ...

Germinated flours in breadmaking: Striking a balance between nutrition and quality

2025-05-27
A recent study explores the potential of germinated flours as functional ingredients in breadmaking, highlighting both their nutritional benefits and their technological challenges. The growing demand for healthier foods has inspired the scientific community to reexamine traditional ingredients through a modern lens. One such example is germinated flours, which are emerging as a promising alternative for enhancing the nutritional profile of bread, one of the most widely consumed foods worldwide. At the Food Science and Technology Laboratory at ESPOL, researchers comprehensively reviewed the latest findings on the use of germinated ...

Timely initiation of statin therapy for diabetes shown to dramatically reduce risk of heart attack and stroke

2025-05-27
Taking a statin medication is an effective, safe, and low-cost way to lower cholesterol and reduce risk of cardiovascular events. Despite clinicians recommending that many patients with diabetes take statins, nearly one-fifth of them opt to delay treatment. In a new study, researchers from Mass General Brigham found that patients who started statin therapy right away reduced the rate of heart attack and stroke by one third compared to those who chose to delay taking the medication. The results, which can help guide decision-making conversations between clinicians and their patients, are published in the Journal of the ...

University of Houston awarded $3M to launch cancer biomarker facility for immunotherapy research

2025-05-27
Key takeaway:   The new University of Houston Cancer Immunotherapy Biomarker Core facility will accelerate biomarker discovery, improve immunotherapy targeting and expand research capacity across Texas — enhancing the state's competitiveness in cancer research and ultimately improving patient outcomes.  HOUSTON, May 27 -- As part of a $93 million grant package, the Cancer Prevention and Research Institute of Texas, known for funding groundbreaking projects, has awarded the University of Houston $3 million to set up a Cancer Immunotherapy Biomarker Core. This state-of-the-art facility will offer researchers in Texas ...

Record-breaking performance in data security achieved with quantum mechanics

2025-05-27
A joint team of researchers led by scientists at King Abdullah University of Science and Technology (KAUST) and King Abdulaziz City for Science and Technology (KACST) has reported the fastest quantum random number generator (QRNG) to date based on international benchmarks. The QRNG, which passed the required randomness tests of the National Institute of Standards and Technology, could produce random numbers at a rate nearly a thousand times faster than other QRNG.   “This is a significant leap for any industry that depends on strong data security,” said KAUST Professor Boon Ooi, who led the study, which is published in Optics Express. KAUST ...

ASCO: MD Anderson’s Christopher Flowers honored for teaching and mentorship

2025-05-27
CHICAGO, MAY 27, 2025 ― Christopher Flowers, M.D., division head of Cancer Medicine and chair of Lymphoma/Myeloma at The University of Texas MD Anderson Cancer Center, will be honored with the Jamie Von Roenn Excellence in Teaching and Mentorship Award at the 2025 American Society of Clinical Oncology (ASCO) Annual Meeting in recognition of his leadership and commitment to mentoring young oncology professionals. The ASCO Special Awards are the organization’s highest honors and highlight ...

Study: Emotional responses crucial to attitudes about self-driving cars

2025-05-27
PULLMAN, Wash. -- When it comes to public attitudes toward using self-driving cars, understanding how the vehicles work is important—but so are less obvious characteristics like feelings of excitement or pleasure and a belief in technology’s social benefits. Those are key insights of a new study from researchers at Washington State University, who are examining attitudes toward self-driving cars as the technology creeps toward the commercial market—and as questions persist about whether people will readily adopt them. The study, published in the journal Transportation Research, ...

NCSA shapes students’ computing dreams

2025-05-27
Students Pushing Innovation (SPIN) participant Mankeerat Singh Sidhu and National Center for Supercomputing Applications graduate student researcher Hetarth Chopra won first place in the 2025 Cozad New Venture Challenge for Tandemn, an innovative software solution designed to help democratize artificial intelligence computing resources. Tandemn links idle graphics processing units (GPUs) into unified, high-performance networks designed for AI computing. The goal is to lower costs and barriers to GPU access while providing owners with possible users for their underutilized resources. “While everyone talks about ‘democratizing ...
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