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Science News for August 29, 2024


What’s in the microbiome of the foods we eat?

Researchers have developed a comprehensive database of the 'food microbiome' by sequencing metagenomes from 2,533 foods, identifying 10,899 food-associated microbes. The study shows that these microbes can influence human health and provide insights into how to improve food quality, safety, and authenticity.

SourceCell Press·JournalCell·TypeExperimental study·DateAug 29, 2024

Muslims felt excluded from health policies during COVID-19

A new study by the University of Leeds has found that British Muslims faced significant challenges accessing palliative care services during the COVID-19 pandemic. The research highlighted the need for culturally aware healthcare policies and greater inclusion of minority groups in decision-making processes to address these inequities.

SourceUniversity of Leeds·JournalBMJ Open·TypeSurvey·DateAug 29, 2024

The Lancet: Managing early stages of abortion care at home after 12 weeks of pregnancy is safe and reduces time spent in hospital, study finds

A randomized controlled trial found that administering the first dose of misoprostol at home reduces hospital stay time by 71% and improves patient satisfaction. Women who took misoprostol at home also reported feeling more autonomous during a stressful process.

SourceThe Lancet·JournalThe Lancet·TypeRandomized controlled/clinical trial·DateAug 29, 2024

Wavelength-independent and photoinitiator-free laser 3D nanolithography

Researchers develop wavelength-independent 3D polymerisation using low peak power laser oscillators, enabling rapid and efficient printing of non-photosensitized materials. The method uses high pulse repetition rate oscillators to achieve localized photo-crosslinking and controlled energy deposition per focal volume.

Morphing facial technology sheds light on the boundaries of self-recognition

A study by Dr. Shunichi Kasahara found that levels of identification with one's face remain consistent regardless of agency or control over facial movements. The results suggest that a sense of agency does not significantly impact our ability to judge our facial identity, even in scenarios like deepfakes.

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournalScientific Reports·TypeExperimental study·DateAug 29, 2024

MCG scientists working to understand why men with prostate cancer are at higher risk of Alzheimer’s

Researchers investigated the connection between androgen deprivation therapy for prostate cancer and Alzheimer's disease. They found that ADT can exacerbate cognitive decline by increasing brain immune cell infiltration, but a combination with Natalizumab improved integrity of the blood-brain barrier and reduced inflammation.

Snapshot compressive microscopy: Advancing in-situ and real-time monitoring in laser material processing

A team of researchers developed a novel imaging system to address real-time monitoring challenges in ultrafast laser material processing. The Dual-Path Snapshot Compressive Microscopy (DP-SCM) system offers high-speed, high-resolution imaging capabilities.

Messinian salinity crisis nearly reset Mediterranean biodiversity

A recent meta-analysis found that the Messinian Salinity Crisis significantly altered Mediterranean biodiversity, with 66.8% dissimilarity between species before and after the crisis. The study also showed that only a few endemic species survived the event, while new species were introduced following the reconnection to the Atlantic.

Gene therapy gets a turbo boost from University of Hawaii researchers

Researchers at the University of Hawaii have developed a new gene editing technology that can efficiently deliver healthy genes to the body. This method addresses limitations of current methods and has shown success rates of up to 96%, potentially leading to faster and more affordable treatments for various genetic diseases.

SourceUniversity of Hawaii at Manoa·JournalNucleic Acids Research·TypeExperimental study·DateAug 29, 2024

New study assesses the efficacy of suvorexant in reducing delirium in older adults

Researchers tested suvorexant's effectiveness in reducing delirium in older adults, with findings suggesting it may benefit hyperactive and mixed subtypes but not hypoactive delirium. The study included 203 Japanese adults aged 65-90 years hospitalized for sudden illness or scheduled surgery.

SourceJuntendo University Research Promotion Center·JournalJAMA Network Open·TypeRandomized controlled/clinical trial·DateAug 29, 2024

Children contribute to group projects when there are clear and common goals

A study found that children as young as six can contribute to group projects when there are clear and common goals. The researchers used a game where children worked together to fill a pool with water, with benefits for the whole group but individual costs. The results showed that most groups achieved their objectives and cooperated, e...

SourceUniversity of Plymouth·JournalPsychological Science·TypeObservational study·DateAug 29, 2024

Proper greening of schoolyards fosters inclusion, creative learning and children's health

Research highlights key factors for governance of green school playgrounds, including genuine collaboration, inclusive participation, involving committed architects and landscape designers. Studies show that such environments facilitate outdoor learning, creative play, and improve children's concentration and stress management.

SourceUniversitat Oberta de Catalunya (UOC)·JournalEnvironmental Science & Policy·DateAug 29, 2024

Billions worldwide consume inadequate levels of micronutrients critical to human health

A new study found significant intake inadequacies for nearly all evaluated micronutrients, with iodine and vitamin E deficiencies being the most prevalent. The researchers estimated inadequate intakes were higher for women than men in some countries, highlighting a need for targeted dietary interventions.

SourceHarvard T.H. Chan School of Public Health·JournalThe Lancet Global Health·TypeObservational study·DateAug 29, 2024

Atomic force microscopy upgrade captures 3D images of calcite dissolving

Scientists have successfully upgraded their atomic force microscope to retrieve imaging data with the time and spatial resolution needed to obtain 3D structure images that provide direct evidence of a hydration layer forming during the dissolution of calcite. The new upgrade enabled researchers to capture high-quality 3D-SFM images in ...

SourceNano Life Science Institute (NanoLSI), Kanazawa University·JournalNano Letters·TypeExperimental study·DateAug 29, 2024

Risk factors associated with deteriorated ambulation status following different conservative treatments for spinal compression fractures

Research at the University of Tsukuba found high vertebral instability and diffuse low-signal changes in T2-weighted MRI observations to be risk factors for deteriorated ambulation status following different conservative treatments. These findings could help predict whether a patient's ability to walk will be affected by these treatments.

SourceUniversity of Tsukuba·JournalAsian Spine Journal·DateAug 29, 2024

Tiny new lasers fill a long-standing gap in the rainbow of visible-light colors, opening new applications

Scientists at NIST have created tiny lasers that generate light at yellow and green wavelengths, filling a long-standing gap in the visible-light spectrum. The new technology has potential applications in underwater communications, medical treatments, and quantum computing.

SourceNational Institute of Standards and Technology (NIST)·JournalLight Science & Applications·TypeExperimental study·DateAug 29, 2024

Seeing the future: Zebrafish regenerates fully functional photoreceptor cells and restores its vision

Researchers led by Prof. Michael Brand successfully regenerated photoreceptors in zebrafish, demonstrating they regain their normal function and allowing the fish to recover complete vision. This breakthrough could potentially revolutionize treatment of diseases like retinitis pigmentosa or macular degeneration.

SourceTechnische Universität Dresden·JournalDevelopmental Cell·TypeExperimental study·DateAug 29, 2024

Researchers create entangled quantum magnets with protected quantum excitations

Scientists at Aalto University and Institute of Physics CAS built an artificial quantum material with topological quantum magnetism, featuring a new state of matter. The researchers demonstrated the highest-order topological quantum magnet, which could provide substantial protection against decoherence in quantum technology.

SourceAalto University·JournalNature Nanotechnology·TypeExperimental study·DateAug 29, 2024

Does low lipoprotein(a) increase the risk of diabetes? New research suggests it does not

Researchers used genetic method Mendelian randomization to show high levels of fasting insulin cause reduction in Lp(a), rather than the other way around. Low Lp(a) is unlikely to be a risk factor for type 2 diabetes, independent of pre-existing hyperinsulinaemia and insulin resistance.

SourcePolskie Towarzystwo Lipidologiczne (Polish Lipid Association)·JournalCardiovascular Diabetology·TypeData/statistical analysis·DateAug 29, 2024

New chemical tool for infection research: Visualizing the sphingomyelin metabolism

Scientists have created a new chemical probe to visualize the distribution of sphingomyelin and its degradation by sphingomyelinase during infections. The researchers observed increased metabolization of sphingomyelin molecules during Chlamydia infection, paving the way for targeted strategies against infectious diseases.

SourceUniversity of Würzburg·JournalNature Communications·TypeExperimental study·DateAug 29, 2024

Understanding the impact of human activity on air quality: A look at aerosol pollution before and after the industrial revolution

A recent study found that human-made secondary organic aerosols (SOAs) contribute up to 53% of total SOA levels today, a significant increase from preindustrial times. This dramatic change is crucial to understanding the environmental impact of human activities on air quality and climate change.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateAug 29, 2024

School of Dentistry researchers develop innovative sleep apnea model to find answers to chronic pain

A study published in Science Signaling explains the mechanism behind persistent pain related to obstructive sleep apnea. The researchers created a chronic intermittent hypoxia environment in mice and observed an increase in cytokines, which cause sensitivity in nociceptors producing prolonged pain sensitivity.

Direct operando identification of reactive electron species driving photocatalytic hydrogen evolution on metal-loaded oxides

Researchers successfully observe and identify the reactive electron species for photocatalytic hydrogen evolution on metal-loaded oxides, shifting the paradigm on the traditionally believed role of metal cocatalysts. The electrons shallowly trapped in the in-gap states contribute to enhancing the hydrogen evolution rate.

SourceNational Institutes of Natural Sciences·JournalJournal of the American Chemical Society·TypeExperimental study·DateAug 29, 2024

Texas A&M teams up to advance robotic dexterity

The Human AugmentatioN via Dexterity (HAND) center aims to develop robots capable of enhancing human labor through engineered systems of dexterous robotic hands, AI-powered fine motor skills, and human interface. The center's goal is to make robotic assistance accessible and applicable to a wide range of physical actions.

A breakthrough in diagnosing hydrocephalus: Multimodality approaches enhance accuracy and reduce costs

A recent case report presents a comprehensive diagnosis of Idiopathic Normal Pressure Hydrocephalus (iNPH) using advanced diagnostic techniques, including brain imaging, CSF tap tests, and infusion study. The study's results show significant improvements in patient outcomes and reduced clinical costs.

SourceBeijing Institute of Technology Press Co., Ltd·JournalCyborg and Bionic Systems·DateAug 29, 2024

Trouble with trembling hands? The problem lies in the brain.

Researchers identified genes associated with a thinner cortex and smaller cerebellum, which can lead to uncontrollable shaking of hands. The study also found that faulty protein disposal affects cell function and disrupts neural pathways, making it difficult to treat the condition.

SourceSingHealth·JournalMovement Disorders·TypeImaging analysis·DateAug 29, 2024

Ancient gene gives spiders their narrow waist

A previously unstudied ancient gene called 'waist-less' is required for the development of a spider's narrow waist, according to researchers. The discovery sheds light on the formation of the distinctive body plan in spiders and highlights the function of new genes in ancient groups of animals.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateAug 29, 2024

Researchers unveil scalable graphene technology to revolutionise battery safety and performance

A pioneering technique for producing large-scale graphene current collectors has been developed to significantly enhance the safety and performance of lithium-ion batteries. The new process allows for the production of graphene foils with customizable thicknesses, which could lead to even more efficient and safer batteries.

SourceSwansea University·JournalNature Chemical Engineering·DateAug 29, 2024

Silicon chip propels 6G communications forward

A team of scientists from Osaka University has created a polarisation multiplexer on a substrateless silicon base, which doubles the data capacity under the same bandwidth with lower data loss than existing devices. This innovation paves the way for more robust and reliable high-speed wireless networks.

SourceOsaka University·JournalLaser & Photonics Review·TypeExperimental study·DateAug 29, 2024

Lack of competition between petrol stations hits households most in poorest areas

Households in low-income areas face higher petrol price increases when rival fuel stations close compared to high-income areas. Despite new station openings, low-income areas do not benefit from the same drop in prices. The study found that larger chains respond with higher price increases following a rival's exit.

SourceUniversity of East Anglia·JournalJournal of Industrial Economics·TypeData/statistical analysis·DateAug 29, 2024

Pharmacy naloxone standing order distribution may have reduced opioid fatality rates in Massachusetts

A new study found that communities with pharmacies implementing a state standing order to distribute naloxone without a prescription showed a significant decrease in opioid-related deaths. The analysis, conducted from 2013 to 2018, observed a gradual decline of 16% per year in cities with naloxone distribution, compared to those without.

SourceBoston University School of Public Health·JournalJAMA Network Open·TypeObservational study·DateAug 29, 2024

HKUST and SJTU physics researchers identify new multiple Majorana zero modes in superconducting SnTe

The researchers identified crystal-symmetry-protected multiple Majorana zero modes (MZMs) in a single vortex of the superconducting topological crystalline insulator SnTe. This discovery offers a new pathway to realizing fault-tolerant quantum computers, which is essential for robust and reliable quantum computing.

SourceHong Kong University of Science and Technology·JournalNature·TypeExperimental study·DateAug 29, 2024

Pharmacy naloxone standing order distribution may have reduced opioid fatality rates in Massachusetts

A new study found that communities with pharmacies dispensing standing order naloxone experienced a gradual and significant decrease in opioid deaths, averaging 16% per year. This suggests that expanding access to naloxone through state-mandated standing orders can save lives and reduce opioid fatality rates.

SourceBoston University School of Public Health·JournalJAMA Network Open·TypeObservational study·DateAug 29, 2024

Land-sea “tag-team” devastated ocean life millions of years ago reveal scientists

A team of researchers discovered that a 'tag-team' between the oceans and continents led to severe environmental crises, causing mass extinctions of marine species. The study found that chemical weathering pulses disrupted the oceans, leading to anoxic events that had profound impacts on marine ecosystems.

SourceUniversity of Southampton·JournalNature Geoscience·TypeData/statistical analysis·DateAug 29, 2024

Blocking the longevity gene S6K1 extends lifespan by reducing inflammation

Research published in Nature Aging has shown that deleting the S6K1 gene in aged mouse livers reduces inflammation by suppressing inflammatory protein production, linking metabolic regulation to aging and disease. This finding provides a biological mechanism for the beneficial effects of removing S6K1 on health span.

SourceMedical Research Council (MRC) Laboratory of Medical Sciences·JournalNature Aging·TypeExperimental study·DateAug 29, 2024

Ancient sea cow attacked by a crocodile and sharks sheds new light on prehistoric food chains

A team of experts discovered a dugongine sea cow attacked by an ancient crocodile and tiger shark, shedding light on prehistoric food chains. The fossils showed signs of both active predation and scavenging, providing new insights into the region's food chain networks during the Miocene epoch.

SourceTaylor & Francis Group·JournalJournal of Vertebrate Paleontology·TypeObservational study·DateAug 29, 2024

Innovative light-activated polymerization methods unlock new possibilities for intracellular applications

Researchers developed two innovative methods for intracellular polymerization using light stimuli, offering precise spatial and temporal control. These methods have the potential to modulate various cellular functions, making them a promising avenue for therapeutic interventions.

SourceShenzhen Institute of Advanced Technology, Chinese Academy of Sciences·JournalNature Protocols·TypeCommentary/editorial·DateAug 29, 2024