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Penn State


‘Cold’ manufacturing approach to make next-gen batteries

Researchers at Penn State have developed a 'cold' manufacturing approach to create solid-state batteries using advanced ceramic-polymer composite electrolytes. The technique, known as cold sintering, operates at lower temperatures than traditional methods, reducing defects and improving conductivity.

SourcePenn State·JournalMaterials Today Energy·TypeExperimental study·DateMay 2, 2025

Beyond the double helix: Alternative DNA conformations in ape genomes

A team of researchers has comprehensively predicted the location of non-B DNA structures in great apes using newly available telomere-to-telomere genomes. The study suggests that non-B DNA is enriched in these segments and may play a role in genetic diseases and cancer, with potential new functions discovered.

SourcePenn State·JournalNucleic Acids Research·TypeExperimental study·DateApr 24, 2025

How do you like them apples? Apple genus evolution revealed

A new study analyzed the genomes of 30 Malus species to understand their evolutionary relationships and how their genomes have evolved over 60 million years. The research identified genes associated with desirable traits like tastiness and disease resistance, which can inform future breeding programs.

SourcePenn State·JournalNature Genetics·TypeExperimental study·DateApr 22, 2025

High-tech sticker can identify real human emotions

Researchers created a stretchable sticker that can detect real human emotions by measuring physiological signals. The device combines facial expression analysis with other important physiological signals to better distinguish between genuine emotions and acted ones.

SourcePenn State·JournalNano Letters·TypeExperimental study·DateApr 21, 2025

Measuring the economic impact of bridges and roads in Pennsylvania

The study uses novel visualization techniques to quantify the economic benefits of infrastructure investments, with bridges having the highest county-specific impact. Investments in roads and traffic safety infrastructure have the greatest economic improvement on neighboring counties.

SourcePenn State·JournalInternational Journal of Transportation Science and Technology·TypeComputational simulation/modeling·DateApr 21, 2025

How safe is the air to breathe? 50 million people in the US do not know

A new study found that over 50 million people in the US live in counties with no air-quality monitoring, increasing their exposure to air pollution. Rural areas, particularly those in the Midwest and South, were more likely to lack monitoring sites, often due to poverty and limited access to healthcare.

SourcePenn State·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateApr 21, 2025

Coastal management model plays the long game against the rising tides

A new coastal management model provides a dynamic approach to adapting to rising sea levels, considering future scenarios and real-time conditions to minimize costs. The model's sequence of suggested actions is generated through advanced mathematical techniques, including Markov Decision Processes and dynamic programming.

SourcePenn State·JournalNature Communications·TypeComputational simulation/modeling·DateApr 21, 2025

Making defects ‘sing’ in 3D-printed metal parts

A team led by Penn State researchers has developed a method to detect, measure and localize porosity defects inside 3D-printed metal parts using acoustic sensors built into the printing platform. This technique aims to improve efficiency, quality control and reliability of 3D-printed metal parts.

The new, shorter space race

Satellites in traditional orbits face challenges such as crowding, lower resolution imaging, and longer distances for data transmission. Researchers are developing novel thruster systems to address these issues, including a self-neutralized air-breathing plasma thruster that uses the surrounding air as a propellant.

Q&A: What makes an ‘accidental dictator’ in the workplace?

A leadership trap known as the 'accidental dictator' can be avoided by embracing circumscribed empowerment, shared vision, and long-term perspective. Leaders must empower their team members within defined boundaries, engage them in the process of creating a shared vision, and prioritize a long-term perspective to build effective teams.

SourcePenn State·JournalOrganizational Dynamics·DateApr 18, 2025

Focus on sanitation and clean water may improve control of endemic cholera

A new study models cholera transmission after interventions in the Democratic Republic of the Congo, highlighting the importance of environmental reservoirs in maintaining endemic diseases. The research suggests that vaccination may have a smaller impact on preventing transmission compared to water, sanitation, and hygiene improvements.

SourcePenn State·JournalPLOS Neglected Tropical Diseases·TypeData/statistical analysis·DateApr 18, 2025

Tiny, soft robot flexes its potential as a life saver

A tiny, soft robot developed by Penn State researchers can navigate through debris and deliver medicine inside the body. The flexible electronics system enables smart sensors to interact with its surroundings, allowing the robot to operate with minimal human intervention.

SourcePenn State·JournalNano-Micro Letters·TypeExperimental study·DateApr 8, 2025

Picky eaters by day, buffet by night: Butterfly, moth diets sync to plant aromas

A new study finds that the daily cycles of plant aromas shape the dietary habits and evolution of butterflies and moths. Research suggests that day-active insects have evolved to be picky eaters with larger antennae, while night-active species have more generalized diets due to reduced chemical information.

SourcePenn State·JournalProceedings of the Royal Society B Biological Sciences·TypeData/statistical analysis·DateApr 3, 2025

PTSD can undermine healthy couple communication when people fear their emotions

A new study found that people with PTSD symptoms experience greater fear of their emotions, which is associated with less constructive communication and more unproductive communication in romantic relationships. This fear can lead to a vicious cycle where behavior triggered by PTSD symptoms strain relationships, maintaining PTSD symptoms.

SourcePenn State·JournalBehaviour Research and Therapy·TypeData/statistical analysis·DateMar 31, 2025

Rainfall and drought linked to childhood growth outcomes in Uganda

Environmental factors such as rainfall and water availability before and during pregnancy predict future growth outcomes of children in Uganda. The study found that children born to mothers living in areas with high rainfall had a lower risk of malnutrition, while those born to mothers experiencing drought had a higher risk.

SourcePenn State·JournalJAMA Network Open·TypeData/statistical analysis·DateMar 19, 2025

Threatened by warming waters, brook trout may be able to adapt to hotter weather

Researchers found that brook trout exhibit a genetic response to heat stress, with specific genes upregulated and downregulated in response to water temperature change. This adaptive mechanism may help the fish survive in warmer waters, but it also poses risks due to the increasing frequency and intensity of extreme weather events.

SourcePenn State·JournalScience of The Total Environment·TypeExperimental study·DateMar 18, 2025

Replacing other snacks with pecans may improve cholesterol, diet quality

A new study by Penn State researchers found that consuming pecans instead of usual snacks improved cholesterol levels and enhanced overall diet quality. Participants who ate pecans demonstrated reductions in cholesterol measurements linked to poorer heart health and higher adherence to the Dietary Guidelines for Americans.

SourcePenn State·JournalAmerican Journal of Clinical Nutrition·TypeRandomized controlled/clinical trial·DateMar 17, 2025

Tunnel-building virus: How Zika transmits from mother to fetus

Researchers at Penn State discovered that Zika virus builds tiny tunnels called tunneling nanotubes to transport material needed to infect nearby cells, including in placental cells. This allows the virus to cross the placental barrier without raising alarm in the immune system.

SourcePenn State·JournalNature Communications·TypeObservational study·DateMar 17, 2025

‘Audible enclaves’ could enable private listening without headphones

Scientists have developed a technology called 'audible enclaves,' which can create localized pockets of sound zones where only one person can hear. This innovation uses nonlinear ultrasonic beams to generate a privacy barrier between people for private listening, enabling sound and quiet zones.

SourcePenn State·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateMar 17, 2025

New computer vision system can guide specialty crops monitoring

A new computer vision system, integrating internet of things and artificial intelligence, enables continuous monitoring of plant growth in controlled environment agriculture. The system successfully isolated individual plants and tracked changes in leaf coverage area throughout their growth cycle.

SourcePenn State·JournalComputers and Electronics in Agriculture·TypeExperimental study·DateMar 4, 2025

Synthetic microbiome therapy suppresses bacterial infection without antibiotics

Researchers developed a synthetic microbiome therapy using limited strains of gut bacteria to effectively protect against C. difficile infections in mice. The treatment was as effective as traditional fecal transplants and had fewer safety concerns, offering a new alternative for treating this notoriously difficult-to-treat infection.

SourcePenn State·JournalCell Host & Microbe·TypeObservational study·DateMar 3, 2025

Magnetic semiconductor preserves 2D quantum properties in 3D material

Researchers developed a novel approach to maintain quantum characteristics in three-dimensional materials by exploiting the magnetic properties of chromium sulfide bromide. This method enables the preservation of excitons' unique optical properties and their ability to carry energy without charge, making it suitable for advanced optica...

SourcePenn State·JournalNature Materials·TypeExperimental study·DateFeb 19, 2025