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Science News Archive July 2025 - Page 26


Page 26 of 54

A gut microbiota metabolite linked to atherosclerosis could revolutionize diagnosis and treatment

A new study has identified a gut microbiota-derived metabolite, imidazole propionate (ImP), that appears in the blood during the early stages of active atherosclerosis. The presence of ImP is associated with the development of active atherosclerosis in people who otherwise appear healthy.

Older adults who increased their regular walking pace by just 14 steps per minute were more likely to experience clinically significant improvements in a test of aerobic capacity and walking endurance

Increasing regular walking pace by 14 steps per minute in older adults led to clinically significant improvements in aerobic capacity and walking endurance. This study highlights the importance of activity intensity on functional capacity in prefrail and frail older adults.

SourcePLOS·JournalPLOS One·DateJul 16, 2025

For adults with hearing loss, linear amplification (amplification across all sound levels, available with some hearing aids) might restore their ability to recognize emotion in voices

Research suggests that linear amplification can improve vocal emotion recognition in individuals with mild-to-moderate sensorineural hearing loss. The study found that amplification across all sound levels can enhance the ability to recognize emotions in voices, particularly in middle-aged and older adults.

SourcePLOS·JournalPLOS One·DateJul 16, 2025

Food insecurity causes anxiety and depression

Research published in PLOS Mental Health found that food insecurity causes rapidly emerging negative effects on mental health, with deteriorations occurring when food security worsened and improvements when it improved. The study suggests that eliminating periodic food insecurity could reduce the number of people with clinically concer...

SourcePLOS·JournalPLOS Mental Health·TypeSurvey·DateJul 16, 2025

Depression often associated with early menopause: Why some women are at greater risk

A new study reveals that younger age at diagnosis, severe menopause symptoms, fertility-related grief, and lack of emotional support are key factors contributing to depressive symptoms in women with premature ovarian insufficiency (POI). The study also found no significant difference in depressive symptoms between women using hormone t...

SourceThe Menopause Society·JournalMenopause·TypeObservational study·DateJul 16, 2025

FAST telescope unveils supersonic filamentary network in very-high-velocity cloud

Researchers discovered an unexpectedly complex and dynamic filamentary network within a very-high-velocity cloud (VHVC) in the Milky Way using the FAST telescope. The study found that the cloud is primarily composed of warm neutral medium (WNM), with little or no cold component, suggesting a cleaner, earlier phase in cloud evolution.

SourceChinese Academy of Sciences Headquarters·JournalNature Astronomy·TypeObservational study·DateJul 16, 2025

Do dogs judge you?

A recent study by researchers at Kyoto University found that dogs across all age groups did not exhibit preferences for generous or selfish individuals, despite their ability to eavesdrop on another dog's interactions. This suggests that reputation formation may be more complex than previously thought in animals like dogs.

SourceKyoto University·JournalAnimal Cognition·TypeObservational study·DateJul 16, 2025

Scientists discover a signature ‘wave’ of activity as the brain awakens from sleep

Researchers analyzed over 1,000 awakenings using high-density EEG recordings, finding that the brain doesn't wake up all at once but instead orchestrates a precise sequence of activation. In non-REM sleep, slower waves trigger a brief surge before faster activity related to wakefulness, while in REM sleep, these waves are skipped leadi...

Genetic isolation despite geographic proximity highlights the threat to island fish species

A recent genetic study found that populations of the amphidromous goby Luciogobius ryukyuensis are genetically distinguishable, suggesting minimal larval exchange between islands. This highlights the urgent need for conservation efforts to protect vulnerable habitats in island ecosystems.

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournalScientific Reports·TypeData/statistical analysis·DateJul 16, 2025

KAIST successfully implements 3D brain-mimicking platform with 6x higher precision​

A KAIST research team created an integrated platform that replicates brain-like layered neuronal structures using 3D printing and precisely measures neuronal activity. The platform, developed by Professors Je-Kyun Park and Yoonkey Nam, enables the simultaneous analysis of structure and function with high precision.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalBiosensors and Bioelectronics·DateJul 16, 2025

Be Well Texas at UT Health San Antonio to lead major statewide expansion of opioid use disorder and recovery services

The Be Well Texas initiative, led by the University of Texas Health Science Center at San Antonio, will expand access to opioid use disorder treatment services and recovery support across rural and urban communities. This major statewide expansion aims to reduce overdose deaths and build a lasting recovery infrastructure.

Eight babies born after Mitochondrial Donation treatment to reduce transmission of mitochondrial DNA disease

Researchers at Newcastle University report eight babies born with no signs of mitochondrial DNA disease using pronuclear transfer, a new IVF technique reducing disease transmission. The study indicates the treatment is effective in reducing the risk of otherwise incurable diseases.

SourceNewcastle University·JournalNew England Journal of Medicine·TypeRandomized controlled/clinical trial·DateJul 16, 2025

Microrobotic swarms for cancer therapy

Researchers explore the design of microrobots for targeted cancer therapy, including tumor cell eradication, improved penetration, and immune system modulation. The review also discusses advanced delivery strategies and imaging technologies to enhance treatment efficiency and precision.

SourceResearch·JournalResearch·TypeNews article·DateJul 16, 2025

What does it cost an animal to fight?

A systematic review of field and laboratory studies identifies 24 different types of cost in animal contests, grouped into six categories. The researchers propose a three-step process to link short- and long-term costs, allowing for the estimation of individual fitness outcomes.

SourceCell Press·JournalTrends in Ecology & Evolution·TypeSystematic review·DateJul 16, 2025

Brexit: is it farewell to capital? The UK has turned off the tap for EU startups. Europe still invests across the channel

A recent study by Politecnico di Milano found that UK investors cut back on European investments after Brexit, while EU investors waited for clarity before increasing their investments. This suggests that Brexit raised uncertainty in the market for financing innovative entrepreneurship.

SourcePolitecnico di Milano·JournalResearch Policy·TypeData/statistical analysis·DateJul 16, 2025

Study reveals world’s largest turtle nesting site thanks to smarter drone survey

A University of Florida research team developed a more accurate way to count wildlife using drones, confirming the world's largest known nesting site for the Giant South American River Turtle. The method combines aerial imagery with statistical modeling, offering a new tool for conservationists to monitor vulnerable animal populations.

SourceUniversity of Florida·JournalJournal of Applied Ecology·DateJul 16, 2025

Drexel engineers want to make buildings more energy efficient by making walls, floors and ceilings more like elephant ears

Drexel engineers create vascular network within cement-based building materials that can help passively regulate surface temperature, reducing energy loss in buildings. The approach is inspired by nature's circulatory system and uses phase-change material to maintain a desired indoor temperature.

SourceDrexel University·JournalJournal of Building Engineering·TypeExperimental study·DateJul 16, 2025

Lunar soil could support life on the Moon

Scientists have developed a technology that can extract water from lunar soil and convert carbon dioxide into oxygen, fuel, and chemicals for human exploration. This innovation has the potential to mitigate the need for transporting essential resources like water and fuel from Earth.

SourceCell Press·JournalJoule·TypeExperimental study·DateJul 16, 2025

The magic of magnons

Researchers have developed a new method to control magnon pairs using laser pulses, enabling non-thermal changes in material properties and paving the way for terahertz data storage and transmission. The method uses naturally grown crystals, such as iron ore haematite, and achieves effects at room temperature without heat development.

SourceUniversity of Konstanz·JournalScience Advances·DateJul 16, 2025