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Science News for April 15, 2025


VPM 3.0: a leap forward in global GPP estimation

The Vegetation Photosynthesis Model (VPM) 3.0 has been introduced, delivering a major leap in the accuracy of global gross primary production (GPP) estimates. The model enhances our understanding of terrestrial carbon dynamics and provides a powerful tool for climate change studies and ecosystem monitoring.

SourceJournal of Remote Sensing·JournalJournal of Remote Sensing·DateApr 15, 2025

Adjusting trees’ internal clocks can help them cope with climate change

A new study from Umeå University reveals that trees' circadian clocks regulate growth and seasonal events. Adjusting clock-associated genes could help trees synchronize with changing climates, improving forestry management. The study also has implications for global vegetation models predicting forest growth and carbon storage.

SourceUmea University·Journalnpj Biological Timing and Sleep·TypeExperimental study·DateApr 15, 2025

Can citizen science be trusted? New study of birds shows it can

A new study published in Citizen Science: Theory and Practice demonstrates that citizen science data from iNaturalist and eBird can be combined to reliably capture known seasonal patterns of bird migration. The researchers found similar seasonal patterns for over 97% of bird species observed in Northern California and Nevada.

SourceUniversity of California - Davis·JournalCitizen Science Theory and Practice·TypeData/statistical analysis·DateApr 15, 2025

Uncovering the hidden cost of water splitting

A Northwestern University study reveals that water molecules flip before releasing oxygen atoms, significantly increasing energy consumption. Increasing pH levels of water reduces this energy cost, making water splitting a more practical and cost-effective process.

SourceNorthwestern University·JournalNature Communications·TypeExperimental study·DateApr 15, 2025

In a preclinical study, a new jararaca antivenom serum was three times more effective than the standard one

Researchers developed a new, three times more effective version of the antibothropic serum used to treat snake venom poisoning. The improved serum had increased neutralizing antibodies and fewer proteins associated with side effects, resulting in greater potency and reduced risk of adverse reactions.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalJournal of Proteome Research·DateApr 15, 2025

Communication challenges for individuals with hearing impairments during the COVID-19 pandemic: A cross-sectional study

A cross-sectional study found that 55.6% of individuals with hearing impairment experienced communication difficulties caused by others wearing face masks during the pandemic. Those with daily support and older adults were less affected, while those who went out more or had more severe hearing loss reported greater difficulty.

SourceUniversity of Tsukuba·JournalBMC Public Health·DateApr 15, 2025

Scientists uncover spin–catalytic activity correlation in single-atom and -electron tailored gold nanoclusters

Researchers develop novel synthesis method for multi-shelled gold clusters and precisely remove atoms to study magnetic spin influence on catalytic behavior. They find that spin density concentrates more on iodine atoms than sulfur atoms, indicating potential role in tuning catalytic properties.

SourceChinese Academy of Sciences Headquarters·JournalScience Advances·TypeExperimental study·DateApr 15, 2025

New study reveals updating climate baselines affects detection of extreme events in China

A new study published in Journal of Geophysical Research: Atmospheres finds that updating climate baselines significantly alters the intensity, trend, and timing of detectable climate signals across Chinese mainland. Changing baselines leads to misjudgments in risk assessments and planning, especially in vulnerable areas.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalJournal of Geophysical Research Atmospheres·DateApr 15, 2025

The growing interest in the Spanish language and culture in China has brought about the emergence of new channels for learning, such as translating reggaeton songs, according to a study by UPF

A study by UPF examines the emergence of Chinese students translating Hispanic songs, including reggaeton, into Chinese on music streaming platforms. The researchers analyzed two non-professional translators' work and found that they use intercultural mediation strategies to make Spanish culture more accessible to a Chinese audience.

SourceUniversitat Pompeu Fabra - Barcelona·JournalLanguage and Intercultural Communication·TypeContent analysis·DateApr 15, 2025

“Petrificus totalus!” — 3D-printed hydrogel switches from kPa-Soft to GPa-hard on command

Researchers at Zhejiang University developed a novel 3D-printed hydrogel that can easily switch its Young's modulus from kPa to GPa through on-demand crystallization. The hydrogel exhibits a hardness of 86.5 Shore D and a Young's modulus of 1.2 GPa, surpassing current 3D-printed hydrogels.

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateApr 15, 2025

New treatment for cryptococcal meningitis enters Phase II trial as global HIV funding cuts threaten to cause a massive increase in advanced HIV disease

A new, easier-to-administer sustained-release formulation of flucytosine has entered Phase II clinical trials in Malawi and Tanzania. The trial aims to address the growing concern of cryptococcal meningitis, a major health threat to people with weakened immune systems, particularly those with advanced HIV.

Hepatocellular carcinoma and the role of liver transplantation

Hepatocellular carcinoma is the most prevalent form of liver cancer, and liver transplantation offers a curative treatment option for appropriately selected patients. Bridging therapies, such as radiofrequency ablation and transarterial chemoembolization, can improve survival outcomes post-transplant by preventing tumor progression.

SourceXia & He Publishing Inc.·JournalJournal of Clinical and Translational Hepatology·DateApr 15, 2025

New evidence suggesting magnetar origin of GRBs

A new study finds that a millisecond magnetar could have triggered the flashes of GRB 230307A, an extremely bright GRB detected in March 2023. The observation suggests that the magnetar model is consistent with the features of the prompt emission and the long-lasting X-ray plateau.

SourceScience China Press·JournalNational Science Review·TypeObservational study·DateApr 15, 2025

Coastal heritage threatened by climate change

The article highlights the vulnerability of US Gulf coast archaeological sites to climate change-induced sea level rise and extreme weather. The study calls for an integrated approach combining coastal ecosystem management with archaeological and historical resource preservation using Indigenous traditional ecological knowledge.

SourcePNAS Nexus·JournalPNAS Nexus·DateApr 15, 2025

Unlocking faster orthodontic treatments: the role of atf6 in bone remodeling

Researchers have found that ATF6, a protein activated in macrophages during corticotomy, promotes inflammation and boosts TNFα production to accelerate bone remodeling. The study suggests that targeting the ATF6-TNFα pathway could lead to non-invasive therapies for faster and more efficient orthodontic procedures.

SourceWest China Hospital of Sichuan University·JournalInternational Journal of Oral Science·DateApr 15, 2025

A tale of two hummingbird bills

Researchers found that a narrow island separating the two species suggests recent speciation or extensive gene flow. The study proposes sexual selection as a key driver of species differentiation.

SourcePNAS Nexus·JournalPNAS Nexus·DateApr 15, 2025

Anxiety felt by today's young adults may be due to conflicting pressures to hurry up -- and wait

Young adults face anxiety due to conflicting pressures to accelerate their maturation and assume adult responsibilities earlier, while also encountering limitations that slow or limit their ability to take on these roles. This double bind creates a difficult navigation process for youths, with many things often outside of their control.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalJournal of Family Theory & Review·TypeSystematic review·DateApr 15, 2025

Young people with mental disorders are less likely to become parents

A nationwide Finnish register-based cohort study found that young people with mental disorders are less likely to become parents compared to those without such diagnoses. The strongest associations were for schizophrenia and depression, with men being 38% less likely to become fathers due to depression diagnosis.

SourceUniversity of Helsinki·JournalBJOG An International Journal of Obstetrics & Gynaecology·TypeData/statistical analysis·DateApr 15, 2025

A cocktail of drugs may work against a whole family of viruses

Researchers have identified a combination of drugs that prevents enteroviruses from replicating, which could lead to an effective treatment for global health problem. The combination includes pleconaril, AG7404, and mindeudesivir, which shows great potential for finding broad-spectrum treatment methods against enteroviruses.

SourceNorwegian University of Science and Technology·JournalCellular and Molecular Life Sciences·TypeExperimental study·DateApr 15, 2025

Researchers have mapped the hidden control system of vision

Researchers have mapped the hidden control system of vision, revealing a higher degree of systematic organization in visual cells. The study, published in Nature Neuroscience, used a new GABA sensor to observe and map inhibitory neuron activity, providing new insights into eye disorders such as congenital nystagmus.

SourceAarhus University·JournalNature Neuroscience·TypeComputational simulation/modeling·DateApr 15, 2025

Research Spotlight: Innovating kidney care in patients with cancer

A new inpatient onconephrology service has been established to care for patients with cancer and kidney disease, resulting in improved kidney recovery rates. The study found that patients treated by the dedicated service were more likely to have kidney recovery at discharge compared to those treated by general nephrology services.

SourceMass General Brigham·JournalClinical Journal of the American Society of Nephrology·TypeCase study·DateApr 15, 2025

Do “harm reduction” interventions for substance use lower or raise trust in government?

Research finds that comprehensive drug policies, including harm reduction measures, are positively associated with perceptions of governmental support and trust in local government. In rural US communities, residents' trust in their local government increases when they perceive the government as supportive of these policies.

SourceAnnenberg Public Policy Center of the University of Pennsylvania·JournalHarm Reduction Journal·TypeExperimental study·DateApr 15, 2025

Northwestern study yields insights for improving outcomes for justice-involved youth

A Northwestern University study found that justice-involved youth with higher doses of incarceration had poorer outcomes, including lower education and employment rates. The study suggests that early interventions are crucial to reducing recidivism and promoting positive outcomes for these young individuals.

SourceNorthwestern University·JournalJournal of the American Academy of Child & Adolescent Psychiatry·TypeData/statistical analysis·DateApr 15, 2025

Medicaid expansion improves timely lung cancer treatment and access to high-volume hospitals

A new study published in The Annals of Thoracic Surgery found that Medicaid expansion significantly improved access to timely treatment for patients with early-stage non-small cell lung cancer. High-volume hospitals associated with decreased postoperative complications and in-hospital mortality rates compared to low-volume hospitals.

SourceThe Society of Thoracic Surgeons·JournalThe Annals of Thoracic Surgery·TypeData/statistical analysis·DateApr 15, 2025

Largest ever genome-wide association study uncovers new drug targets and potential therapies for osteoarthritis

A recent study has made a breakthrough in understanding the genetic underpinnings of osteoarthritis by identifying 962 genetic markers associated with the condition. The researchers found 513 new genetic markers that were not previously reported, providing potential new drug targets and opportunities for repurposing existing medications.

SourceUniversity of Maryland School of Medicine·JournalNature·TypeMeta-analysis·DateApr 15, 2025

Colombia’s peatlands could be a crucial tool to fight climate change. But first we have to find them

Researchers have mapped Colombia's eastern lowlands to identify areas of peatlands, a crucial carbon storage system that can help reduce the country's emissions. The study found an estimated 7,370-36,200 square kilometers of peatlands, with potential to store more carbon than all the world's trees.

SourceUniversity of California - Santa Cruz·JournalEnvironmental Research Letters·DateApr 15, 2025

Holy shift: More Americans finding faith outside church

A new study finds that large numbers of Americans are leaving organized religion to pursue spirituality in ways that align with their individual values. The research shows a decline in religious attendance and affiliation, but an increase in individual faith and meditation practice.

SourceCornell University·JournalSocius Sociological Research for a Dynamic World·TypeData/statistical analysis·DateApr 15, 2025

Teoxane announces new study reinforcing the biocompatibility, safety and efficacy of RHA®4 in dynamic facial support

A new study by Teoxane confirms the safety, biocompatibility, and efficacy of RHA4 in dynamic facial support. The study shows RHA4's ability to promote rapid collagen formation and support extracellular matrix remodeling, contributing to long-term structural and functional benefits.

SourceTEOXANE·JournalPlastic and Reconstructive Surgery Global Open·TypeRandomized controlled/clinical trial·DateApr 15, 2025

Uncovering the molecular drivers of liver cancer

A study published in Journal of Proteome Research reveals that inflammation and aging contribute to the development of non-viral liver cancer. Researchers analyzed gene expression and metabolites in normal and affected samples, identifying potential therapeutic targets for chemoprevention.

SourceHiroshima University·JournalJournal of Proteome Research·DateApr 15, 2025

Study identifies U.S. hotspots for drinking water quality violations and lack of access to safe, clean water

A study mapped US counties with high rates of water system violations and inequalities in access to safe drinking water. Counties in West Virginia, North Carolina, Oklahoma, and Pennsylvania ranked among the top 10 for violations, while Mississippi, South Dakota, and Texas topped the list for water injustice.

SourceSociety for Risk Analysis·JournalRisk Analysis·TypeImaging analysis·DateApr 15, 2025

Penn engineers first to train AI at lightspeed

Researchers have created a breakthrough photonic chip that can train nonlinear neural networks using light, accelerating AI training while reducing energy use. The chip uses a special semiconductor material to reshape how light behaves, enabling reconfigurable systems with wide mathematical function expression.

SourceUniversity of Pennsylvania School of Engineering and Applied Science·JournalNature Photonics·TypeExperimental study·DateApr 15, 2025

A type of immune cell strengthens immunotherapy and prevents tumor relapse in animal models

Scientists have discovered a new immunotherapy strategy using type I dendritic cells to activate strong immune responses and generate immune memory against cancer. The treatment helps prevent tumor relapse in mouse models by triggering an immune memory response.

SourceCentro Nacional de Investigaciones Cardiovasculares Carlos III (F.S.P.)·JournalNature Communications·TypeExperimental study·DateApr 15, 2025

New analysis underscores health risks of e-cigarettes

A recent study of 249,190 individuals found a significant link between exclusive e-cigarette use and chronic obstructive pulmonary disease (COPD) and hypertension in adults aged 30-70. In contrast, traditional combustible cigarette smoking was associated with increased risks for various cardiometabolic diseases.

SourceJohns Hopkins Medicine·JournalNicotine & Tobacco Research·DateApr 15, 2025

Amount of sunlight reaching Earth’s surface varies over decades, researchers report

A research team found that stages of 'dimming' and 'brightening' correspond with increased air pollution and implementation of clean energy solutions. The study suggests that reducing air pollution can lead to more sunlight reaching the Earth's surface, which could have compounding benefits for solar power production.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateApr 15, 2025

Primate mothers display different bereavement response to humans

A study by University College London anthropologists found that macaque mothers experience a short period of physical restlessness after the death of an infant, but do not exhibit typical human signs of grief. In contrast to human bereavement, macaque mothers spent less time resting in the first two weeks after their infants' deaths.

SourceUniversity College London·JournalBiology Letters·TypeObservational study·DateApr 15, 2025

Preventing onset and development of heart failure with preserved ejection fraction

Researchers discovered a natural mechanism that protects the heart from heart failure with preserved ejection fraction (HFpEF), a serious condition in need of effective treatment. Restoring this mechanism prevents progression of HFpEF and alleviates lipid overload in heart cells, providing molecular evidence for a promising therapeutic...

SourceBaylor College of Medicine·JournalCirculation·TypeExperimental study·DateApr 15, 2025

Politicians’ dark personalities deepen political divisions

A recent study found that politicians with narcissistic, psychopathic, or Machiavellian traits contribute to greater hostility towards opponents and deepen emotional divides. The researchers suggest that these 'dark' leaders pose risks to democratic processes by weakening public discourse and social cohesion.

SourceUniversiteit van Amsterdam·JournalEuropean Journal of Political Research·TypeData/statistical analysis·DateApr 15, 2025

The American Geriatrics Society names the Honorable Jan Schakowsky, United States House of Representatives, as its 2025 David H. Solomon Memorial Public Service Award recipient

The American Geriatrics Society names Congresswoman Jan Schakowsky as its 2025 recipient of the David H. Solomon Memorial Public Service Award, recognizing her efforts to strengthen the geriatrics workforce and enhance quality care for older Americans. The award celebrates her leadership in advancing critical programs like the Geriatri...

While AI could be the game changer in predicting health outcomes it should not be the only method

Combining AI with traditional mathematical modeling can improve cancer treatment outcomes by providing specificity and accuracy. The researchers emphasize the importance of ethically sharing health data to create reproducible science, protecting patient privacy while promoting scientific integrity.

SourceUniversity of Maryland School of Medicine·JournalNature Biotechnology·TypeCommentary/editorial·DateApr 15, 2025

Hold-up - are high support bras bad for the back?

Researchers from the University of Portsmouth found that high-support bras could unintentionally increase loading on the spine. The study suggests that a balance between comfort and breast support is needed in bra design to prevent potential musculoskeletal impacts.

SourceUniversity of Portsmouth·JournalEuropean Journal of Sport Science·TypeData/statistical analysis·DateApr 15, 2025

New type of handheld detector for all types of ionizing radiation improves radiation safety

A new handheld multi-purpose radiation detector detects all types of ionizing radiation, including alpha, beta, X-rays, and gamma-rays. The device has versatile measurement capabilities and can be used in various applications, such as nuclear industry, military, and first responders.

SourceUniversity of Jyväskylä - Jyväskylän yliopisto·JournalNuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment·TypeCase study·DateApr 15, 2025

Is my red your red?

A team of researchers from the University of Tokyo and Monash University developed a novel approach to quantify consciousness, specifically analyzing color similarity judgments. They found that color-neurotypical red is relationally equivalent to other color-neurotypical's red, but not to colorblind people's red.

SourceUniversity of Tokyo·JournaliScience·TypeExperimental study·DateApr 15, 2025