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Kyushu University


As global warming worsens, so may space communications

Researchers at Kyushu University found that rising CO2 levels in the atmosphere may lead to disruptions in shortwave radio communications, including systems used for air traffic control and maritime communication. The ionosphere's cooling due to global warming causes a decrease in air density and accelerates wind circulation.

SourceKyushu University·JournalGeophysical Research Letters·TypeExperimental study·DateOct 27, 2025

Researchers develop new indicators to detect loneliness risk in remote work

Researchers developed two new indices to analyze workplace chat data and identify employees at risk of loneliness. The study found a potential link between active online communication and stronger in-person social connections, but also noted that private messages may not accurately reflect feelings of loneliness.

SourceKyushu University·JournalJournal of Information Processing·TypeData/statistical analysis·DateOct 15, 2025

Scientists create a mathematical model that explains esophageal motility disorders

Researchers developed a mathematical model that replicates the muscle movements of the esophagus during swallowing and reveals insights into esophageal motility disorders. The model includes signaling from the brain and nerves, as well as muscle contractions and relaxations, and can simulate various disorders.

SourceKyushu University·JournalRoyal Society Open Science·TypeComputational simulation/modeling·DateSep 16, 2025

Crafting the future of dysphagia diets with 3D printing

Kyushu University researchers have developed a new 3D bioprinting method to create customized dysphagia diets using controlled radiofrequency and microwave energy. The method produces gels with varying textures, adhesiveness, and water retention suitable for different dysphagia diet requirements.

SourceKyushu University·JournalScientific Reports·TypeExperimental study·DateAug 22, 2025

Researchers succeed in building a low temperature hydrogen fuel cell, thanks to a scandium superhighway

Scientists at Kyushu University have created a solid oxide fuel cell that operates at a low temperature of 300°C, overcoming a major hurdle in their development. The breakthrough uses scandium to create a 'ScO6 highway' for protons to travel efficiently, enabling the production of affordable hydrogen power.

SourceKyushu University·JournalNature Materials·TypeExperimental study·DateAug 8, 2025

Beetles under climate stress lay larger male eggs: Wolbachia infection drives adaptive reproduction strategy in response to rising temperature and CO₂

Researchers found that azuki bean beetles infected with Wolbachia bacteria produce larger eggs yielding exclusively male offspring when exposed to elevated temperature and carbon dioxide. This adaptive reproduction strategy enhances the survivability of their offspring.

SourceKyushu University·JournalScientific Reports·TypeExperimental study·DateJul 10, 2025

A new model to accurately develop better OLEDs

A new model details the kinetics of exciton dynamics in OLED materials, enhancing lifetime and accelerating material development. The findings have potential to improve fluorescence efficiency, leading to more advanced OLED devices.

SourceKyushu University·JournalNature Communications·TypeComputational simulation/modeling·DateMay 30, 2025

Enhanced activity in the upper atmosphere of Sporadic E layers during the 2024 Mother’s Day super geomagnetic storm

A new study reveals that sporadic E layers were significantly enhanced during the recovery phase of the 2024 Mother's Day super geomagnetic storm. The phenomenon, which appears as thin and dense patches of ionized metals, was detected mainly over Southeast Asia, Australia, the South Pacific, and the East Pacific.

SourceKyushu University·JournalGeophysical Research Letters·TypeData/statistical analysis·DateMay 12, 2025

Simulating the fluid dynamics of moving cells to map its location

Kyushu University researchers have successfully recreated the fluid dynamics of flowing biological cells using numerical simulations. The study reveals that capsule position depends on deformation and pulsation frequency, enabling precise cell manipulation in research and potential applications in artificial heart development.

SourceKyushu University·JournalJournal of Fluid Mechanics·TypeComputational simulation/modeling·DateApr 9, 2025

What does "that" mean in "Did you see that?"

A study from Kyushu University finds that children focus on literal meaning when interpreting phrases like 'Did you see that?', while adults use a more integrated approach to resolve ambiguity. The findings have implications for dialogue robot development and support systems for individuals with communication difficulties.

SourceKyushu University·JournalPLOS One·TypeExperimental study·DateMar 25, 2025

The changing sky that plants see

Researchers developed a numerical tool to quantify sunlight intensity and its influence on plant growth, enabling accurate predictions of sunlight patterns. The model can help farmers optimize greenhouse conditions and planting schedules, leading to improved crop yields.

SourceKyushu University·JournalEcological Informatics·TypeExperimental study·DateMar 19, 2025

Better environmental performance boosts profits and cuts costs

Researchers analyzed financial and environmental data from 8,547 companies across 34 countries, revealing that stronger environmental engagement leads to better financial outcomes. Companies with superior environmental performance demonstrate better financial results and attract greater interest from investors.

SourceKyushu University·JournalCorporate Social Responsibility and Environmental Management·TypeData/statistical analysis·DateDec 10, 2024

Dynamics of structural transformation for liquid crystalline blue phases

Researchers have uncovered key insights about how liquid crystals transform between different phases using direct simulation and machine learning. This study provides a clearer understanding of the microscopic-level changes in these materials, which could lead to new possibilities for advanced materials development.

SourceKyushu University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateDec 2, 2024

Building roots in glass, a bio-inspired approach to creating 3D microvascular networks using plants and fungi

Researchers at Kyushu University develop a novel technique for building complex 3D microfluidic networks using plant roots and fungal hyphae in silica nanoparticles. This bio-inspired method enables the creation of intricate biological structures, opening new opportunities for research in plant and fungal biology.

SourceKyushu University·JournalScientific Reports·TypeExperimental study·DateNov 19, 2024

Absolute numbers of women matter more than proportion for achieving gender equity in STEM

A recent study from Kyushu University found that the absolute number of women in STEM departments significantly influences research output, fostering a supportive environment and promoting higher and more stable results. Traditional metrics focusing solely on proportion show little correlation with academic performance.

SourceKyushu University·JournalInternational Journal of Educational Research Open·TypeData/statistical analysis·DateOct 21, 2024

Zebrafish as a model for studying rare genetic disease

A recent study employs zebrafish to model Nager syndrome, revealing the role of sf3b4 mutations in facial development and apoptosis. The research suggests that FGF8 plays a critical role in disease pathogenesis and provides a potential therapeutic strategy.

SourceKyushu University·JournalInternational Journal of Biological Macromolecules·TypeExperimental study·DateOct 16, 2024

Microplastics found in coral skeletons

Researchers have discovered microplastics in all three parts of coral anatomy, including surface mucus, tissue, and skeleton. This finding may explain the 'missing plastic problem' and suggests that corals could be sequestering plastic waste from the ocean.

SourceKyushu University·JournalScience of The Total Environment·TypeExperimental study·DateSep 20, 2024

Microwaving waste cooking oil into useful chemicals

A team from Kyushu University has developed a zeolite catalyst that can be heated using microwaves to speed up the conversion of fatty acid esters to olefins. This process improves energy efficiency and reduces carbon dioxide production, offering a more sustainable chemical industry.

SourceKyushu University·JournalChemical Engineering Journal·TypeExperimental study·DateSep 9, 2024

Most detailed study yet of seismic activity links fault strength to likelihood of large earthquakes

Researchers from Kyushu University have identified a link between fault strength and earthquake magnitude, suggesting that stronger faults are more likely to produce large earthquakes. The study analyzed seismic activity at over 1,000 locations and estimated the stress field and characterized faults as strong or weak.

SourceKyushu University·JournalNature Communications·TypeObservational study·DateSep 9, 2024