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Science News Archive 2024 - Page 201


Page 201 of 484

New PET/MRI probe developed by IOCB Prague promises early discovery of covert diseases

A new hybrid contrast agent has been developed to combine the benefits of MRI and PET imaging techniques, offering improved accuracy and opening new diagnostic applications. The agent has shown potential in detecting kidney problems and other conditions, paving the way for personalized diagnostics and precise imaging.

Sex bias in pain management at emergency departments new study reveals

A new study found a significant sex bias in pain management at emergency departments, with female patients consistently receiving fewer pain medication prescriptions compared to male patients. Female patients also spend more time in the emergency department and have their pain scores less frequently recorded.

SourceThe Hebrew University of Jerusalem·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateAug 5, 2024

Ultrafine particles linked to over 1,000 deaths per year in Canada’s two largest cities

A study by McGill University researchers has found a link between ultrafine particle exposure and increased mortality risk, particularly for respiratory deaths and coronary artery disease. Long-term exposure to these tiny particles is associated with a 7.3% increase in non-accidental death risk.

SourceMcGill University·JournalAmerican Journal of Respiratory and Critical Care Medicine·TypeComputational simulation/modeling·DateAug 5, 2024

Sometimes it hurts to think

A meta-analysis of 170 studies found that mental effort is consistently associated with unpleasant feelings such as frustration, irritation, stress or annoyance. The association holds true across different populations, including health care employees, military personnel, amateur athletes and college students.

SourceAmerican Psychological Association·JournalPsychological Bulletin·TypeMeta-analysis·DateAug 5, 2024

Heart transplant list doesn’t rank kids by medical need, Stanford Medicine-led study finds

A Stanford Medicine-led study found that the US method for ranking children on the waitlist for heart transplants does not consistently rank patients based on their medical need. The current system prioritizes geographic location, immune compatibility, and body size over medical urgency.

SourceStanford Medicine·JournalJournal of the American College of Cardiology·TypeData/statistical analysis·DateAug 5, 2024

Early menopause linked to increased breast cancer risk

A recent study published in The Journal of Clinical Endocrinology and Metabolism found that women who underwent menopause before age 46 were nearly twice as likely to develop breast cancer as other women of similar ages. Relatives of these women were also more likely to have breast, prostate, or colon cancer.

SourceHuntsman Cancer Institute·JournalThe Journal of Clinical Endocrinology & Metabolism·DateAug 5, 2024

Unlocking clarity in the skies: subcarrier modulation for enhanced GNSS

Global Navigation Satellite Systems (GNSS) researchers have developed a novel approach to enhance the precision of signal acquisition and tracking using subcarrier modulated signals. The innovations sharpen spectral efficiency and accuracy, tackling ambiguity challenges inherent in conventional GNSS algorithms.

Does transparency help or hurt businesses dominated by one-time transactions

A recent study published in the American Economic Review suggests that transparency about past transactions can improve market efficiency when sellers have high profits due to competition. However, it may worsen outcomes when buyers observe previous sales quantities, as sellers are more likely to heavily discount their services.

SourceSouthern Methodist University·JournalAmerican Economic Review·TypeComputational simulation/modeling·DateAug 5, 2024

Cancer screening estimated to cost $43 billion a year in the United States

A modeling study estimates that cancer screening costs over $40 billion annually in the US, with an emphasis on enhancing equitable access to recommended screenings. However, experts argue that this estimate may underestimate the true cost due to lack of consideration for subsequent testing, ineligible patients, and overdiagnosis.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·TypeNews article·DateAug 5, 2024

Association between osteoporosis and telomere shortening

Researchers found that osteoporosis is independently associated with rapid leukocyte telomere length shortening over a 2-year period. A total of 233 subjects were enrolled in the study, and multivariable linear regression analysis indicated that only osteoporosis was significantly linked to LTL shortening.

SourceImpact Journals LLC·JournalAging-US·TypeNews article·DateAug 5, 2024

Configuration design method of mega constellation for low earth orbit observation

The design method proposes a novel approach to configuring mega constellations in Low Earth Orbit (LEO) observation. By categorizing satellites into basic and accompanying satellites, the authors optimize their orbits to minimize differences between ascending and descending nodes of basic satellites. Additionally, they utilize the Nond...

SourceBeijing Institute of Technology Press Co., Ltd·JournalSpace: Science & Technology·DateAug 5, 2024

Air quality regimes around the world are playing catch up as science evolves and policy ambitions are too blunt, researchers say

Researchers call for coordinated action to address air pollution's complexity, including elevating policy ambition, expanding regulatory scope, and integrating scientific policymaking. The paper highlights urgent need for clean air globally as health harms arise from lower concentrations.

SourceUniversity College London·JournalScience·TypeLiterature review·DateAug 5, 2024

How can territorial ecological restoration of counties be used to increase carbon sinks?

Researchers evaluated current carbon sinks in Wensu County, identified spatial patterns, and developed ecological restoration strategies. The study found that southern foothills have the best carbon sequestration capacity, with proposed strategies to boost carbon sinks by integrating with other ecological goals

SourceHigher Education Press·JournalLandscape Architecture Frontiers·TypeExperimental study·DateAug 5, 2024

Pennsylvania policymakers underestimate public support for solar projects, survey says

A survey of Pennsylvanians and policymakers reveals bipartisan support for solar energy and other renewables, but elected officials underestimate their constituents' preferences. The study highlights the need for clear communication between the public and local representatives to ensure informed decision-making about energy projects.

SourcePrinceton University, Engineering School·JournalNature Energy·TypeSurvey·DateAug 5, 2024

Evaluating diet quality in community café meals for individuals facing food insecurity

Research published in the Journal of Nutrition Education and Behavior found that meals from community cafés had significantly higher diet quality than meals not eaten at the café, measured by the Healthy Eating Index. This improvement was particularly pronounced for individuals with very low food security. The study suggests that commu...

SourceElsevier·JournalJournal of Nutrition Education and Behavior·TypeSurvey·DateAug 5, 2024

Measuring “quality of life” is an important trend in cancer care

A nationwide study found that brentuximab vendotin significantly improved the quality of life for young patients with high-risk pediatric Hodgkin lymphoma. Nearly 44% of patients reported poor quality of life before treatment, but researchers saw significant improvement as treatment progressed.

SourceUniversity of Rochester Medical Center·JournalJournal of Clinical Oncology·TypeRandomized controlled/clinical trial·DateAug 5, 2024

Moffitt Consortium study answers questions about long-term survivorship following CAR T treatment

The study found that 29% of patients experienced progression-free survival at five years and 40% achieved overall survival. However, important survivorship issues were identified, including nonrelapse mortality rates of 16.2%, with over half occurring beyond two years post-treatment.

SourceH. Lee Moffitt Cancer Center & Research Institute·JournalJournal of Clinical Oncology·TypeObservational study·DateAug 5, 2024

Spanish researchers reveal why vaccines have lower efficacy in patients with multiple myeloma

A Spanish research study has described the composition of the immune system in blood samples from patients with multiple myeloma and found that altered immune cells influence vaccine efficacy. The study reveals a more severe immune suppression in patients with multiple myeloma compared to those with other tumors.

SourceCentro de Investigación Médica Aplicada (CIMA) Universidad de Navarra·JournalBlood Cancer Journal·TypeExperimental study·DateAug 5, 2024

Dance, dance revolution: New Drexel research shows dance and movement therapy can increase emotional and social intelligence in middle school students

A new Drexel University study reveals that dance and movement therapy (DMT) can foster empathy, positive peer relationships, and cultural self-efficacy among middle school students. The program, developed by Nalini Prakash, aimed to address ethnic bullying and promote cross-cultural connections.

SourceDrexel University·JournalSocial Sciences & Humanities Open·DateAug 5, 2024

Catching a new star

Researchers at the University of Tokyo have discovered a new species of starfish off the coast of Japan, shedding light on the country's marine biodiversity. The newly named Paragonaster hoeimaruae is a distinctive red and beige color with five arms and spans over 10 centimeters.

SourceUniversity of Tokyo·JournalJournal of Natural History·TypeObservational study·DateAug 4, 2024

Novel micro-OLED technology with over 20K ppi resolution

Researchers developed a photolithography-compatible technology for ultra-high-resolution organic semiconductor devices, enabling OLED displays with resolutions of over 20K ppi. This breakthrough addresses the challenge of damaging organic materials during photolithographic processing, paving the way for next-generation displays.

SourceKeAi Communications Co., Ltd.·JournalWearable Electronics·TypeExperimental study·DateAug 4, 2024

New progress in wearable blood pressure monitoring enabled by flexible electronics and machine learning

Researchers have reviewed advancements in wearable cuffless blood pressure monitoring, focusing on flexible electronics and machine learning. The integration of sensors, signal processing, and algorithms enables accurate blood pressure estimation, promising personalized medicine applications.

SourceKeAi Communications Co., Ltd.·JournalWearable Electronics·TypeLiterature review·DateAug 4, 2024

Strengthening global regulatory capacity for equitable access to vaccines in public health emergencies

Global regulatory bodies, particularly in low- and middle-income countries, need enhanced capacity to ensure timely and safe access to essential medical products. Experts suggest expanding regulatory pathways to prioritize public health by enabling faster reach of diagnostics, therapeutics, and vaccines.

SourceGeorgetown University Medical Center·JournalNew England Journal of Medicine·TypeCommentary/editorial·DateAug 3, 2024

Not the day after tomorrow: Why we can't predict the timing of climate tipping points

A new study shows that predicting exact tipping times for critical Earth system components is challenging due to large uncertainties. The authors identified three primary sources of uncertainty and found that predicted tipping times for the Atlantic Meridional Overturning Circulation (AMOC) ranged from 2050 to 8065.

SourceTechnical University of Munich (TUM)·JournalScience Advances·TypeData/statistical analysis·DateAug 2, 2024