Researchers discovered that wasps lower the pH level of their developing gall to acidic levels similar to those found in pitcher plants, potentially using it as a defense mechanism against predators. The study reveals a novel manipulation of host-plant chemistry, where malic acid accumulation and low pH levels deter enemies.
Researchers developed a new heterostructure of layered two-dimensional materials that could enable quantum computing to overcome key barriers. The material's topological properties are expected to protect the quantum state from environmental disturbance.
A new study found that trauma leads to high levels of intergenerational substance use among Black women, with 30% increased odds of drug use and 40% increased odds of Child Protective Services cases. The researchers also highlighted the importance of understanding the prevalence and impacts of these issues among minority populations.
A giant lacewing with a wingspan of roughly 50 millimeters was discovered in Fayetteville, Arkansas, setting a historic record for its appearance in the region. The insect's reappearance suggests there may be relic populations yet to be discovered, and its presence has sparked debate about the impact of human activities on biodiversity.
Researchers at Penn State College of Medicine identified a biomarker, IL13Rα2, in blood plasma to diagnose and track glioblastoma. Elevated levels of IL13Rα2 predicted longer overall survival, suggesting tissue healing.
A Penn State-led team developed a new process to fabricate large perovskite devices, which are more cost- and time-effective than previously possible. The technique, called electrical and mechanical field-assisted sintering (EM-FAST), allows for the creation of high-quality materials with controlled properties.
A new Penn State-led study reveals that workers in the US food supply chain are at a high risk of serious injury due to unique hazards such as product movement. The researchers found that fractures of the lower extremities were most prevalent, with transportation-related accidents being the most frequent type.
A newly developed superhydrophobic biosensor can detect insensible, or vapor, perspiration, which is difficult to measure. The sensor allows for continuous tracking of skin health and disease conditions, such as eczema and wound healing, by monitoring thermoregulation and skin barrier functions.
Researchers identify a new mechanism of corrosion morphology using electron tomography and theoretical calculations, finding a one-dimensional wormhole structure in metal alloys. The study could lead to the development of more advanced materials with improved resistance to localized corrosion.
A team of scientists has discovered six massive galaxies in the early universe, challenging current theories on galaxy formation. These galaxies are estimated to be as mature as the Milky Way and were found when the universe was only 3% of its current age.
A Penn State-led research team found that language models can plagiarize content in three ways: verbatim, paraphrase, and idea reuse. The study highlights the need for more research into text generators and their potential ethical implications.
The study introduces a new design paradigm for electromagnetics using compliant mechanisms, which can change operating frequencies without hinges or bearings. This technology surpasses origami designs in robustness and long-term reliability.
Fresh meat recalls can significantly reduce customer demand, with large recalls causing a larger loss in meat demand. The study suggests that companies can take action to prevent food recalls by increasing mandatory inspection of fresh meat products and developing standard regulations.
A Penn State-led research team has invented a new class of ion-exchange membrane wafer assemblies that significantly improves electrodeionization's ability to capture p-coumaric acid from liquid mixtures. The new design reduces the amount of membrane needed, resulting in cost savings and increased efficiency.
A new study found that powerful storms called atmospheric rivers are increasingly reaching the Arctic in winter, slowing sea ice recovery. These storms carry large amounts of water vapor and produce extreme rainfall and flooding when they make landfall.
A new study led by Penn State scientists sheds light on the temperature sensitivity of silicate rock weathering, a process that helps control Earth's climate. The research combines laboratory measurements and soil analysis to create a global estimate for how weathering responds to temperature changes.
Researchers developed a new, low-cost sensor that can detect humidity changes in various settings, including daycares, hospitals, and at home. The sensor uses a simple pencil-and-paper design and has been integrated into smart diapers and wearable respiratory monitors.
A Penn State-led study found that the timing of disruptions is more damaging to invertebrates than severity. Aquatic organisms in Sycamore Creek responded to winter floods and summer monsoon events differently, with some populations being resistant or resilient to disturbances.
A recent study published in Forest Ecology and Management found that deer browsing had relatively little long-term impact on two tree species in a northern forest. Researchers discovered that seedling survival and growth were more greatly influenced by light availability, soil nitrogen, and size attained before gaps were created.
Researchers used machine learning to analyze data sets for patterns and trends, identifying over 400 genes related to smoking behaviors. The study suggests that certain medications, such as dextromethorphan, could be repurposed for smoking cessation.
A new study by Penn State researchers found that US honey bee colony loss is primarily related to parasitic mites, extreme weather events, and nearby pesticides. The study integrated multiple large datasets at different spatial and temporal resolutions to assess various potential stressors associated with colony collapse across the US.
A novel microneedle patch can immediately stop bleeding after injury, reducing clotting time from 11.5 minutes to 1.3 minutes and bleeding by over 90%. The biocompatible and biodegradable technology promotes rapid blood coagulation and wound closure.
A newly developed pop-up electrode device can gather in-depth information about individual neurons and their interactions, while limiting potential brain tissue damage. Researchers have designed the device to be stiff upon insertion but flexible afterwards, providing a 3D layout of neurons and brain connections.
A new study by a Penn State-led research team found that the intensification of crop use led to changes in age-independent mortality rates in pre-colonial North America. The first stage of agricultural intensification coincided with lower age-independent mortality, while the second stage was associated with a rise in it.
Penn State researchers created a customized food safety training program for farmers market vendors, addressing inadequate practices in Pennsylvania and other states. The program resulted in significant knowledge gains and changes in attitudes among participants.
Scientists discover that altering environmental conditions, particularly humidity, can enable the control of super-lubricity in materials. By exposing graphene to water vapor and phenol vapor, researchers found a 25-45 times increase in low friction, paving the way for practical applications in MEMS devices.
Researchers found that underwater light intensity plays a critical role in the energy expended by coral's symbiotic algae, highlighting the importance of water clarity for coral conservation. Preserving water optical quality is vital to protecting coral biodiversity and preventing reef degradation.
A team of Penn State researchers developed a material that gradually delivers heparin over time and directly to blood clots. The new delivery system, which combines heparin with a peptide fragment, increases the drug's half-life from 60-90 minutes to nearly 24 hours.
A team of Penn State researchers discovered a way to render cellulose nanocrystals highly redispersible in aqueous mediums while retaining their functionality. This breakthrough enables the easy storage and transportation of these bio-based nanomaterials, which are valuable for water treatment, packaging, and electronics.
A new study found that chronic inflammation in lactating mothers with obesity may contribute to low milk production. The researchers analyzed fatty acid and inflammatory marker profiles in blood and breast milk, finding a strong correlation between the two in non-obese mothers but not in those with chronic inflammation.
A new study by Penn State scientists found that spotted lanternfly feeding inhibits photosynthesis in young maple trees, potentially impairing growth. The study suggests that management decisions can be made to protect inventories based on the findings.
A study by Penn State College of Medicine researchers found that rural hospital closures lead to increased strain on nearby hospitals, resulting in higher emergency department visits and admissions. The study analyzed data from over 180 closed rural hospitals and found a significant increase in healthcare burden at bystander hospitals.
A new model describes how biological or technical systems form complex structures with signal-processing capabilities, enabling them to respond to stimuli and perform tasks without external guidance. The research has implications for microrobotics and the development of swarms of autonomous robots capable of complex tasks.
An international team of scientists found that changes in Earth's orbit may have triggered a rapid global warming event 56 million years ago, known as the Paleocene-Eocene Thermal Maximum. The study suggests that orbital configurations favored hotter conditions and may have played a role in triggering the event.
A Penn State-led research team found that TikTok's unique interface and algorithm make content creation and virality particularly easy yet lead to high rates of creator burnout. The platform's central role of the algorithm in determining viewership makes creators produce new content continuously, leading to burnout.
Researchers have identified a method that can automatically detect doxing on Twitter with high accuracy, which could help protect users from cyberbullying. The approach uses machine learning to differentiate between self-disclosures and malicious disclosures of sensitive personal information.
Researchers developed a new 3D imaging model to analyze cellular geometry and mechanics, helping biologists quickly see how plants respond to environmental changes. The model identified unexpected guard cell behavior, shedding light on plant adaptation to drought.
A new type of active pixel sensor using a novel 2D material reduces energy use while enabling ultra-sharp cellphone photos in low light. The sensor's dynamic range and image processing capabilities improve photography in adverse conditions, such as night or foggy days.
Researchers used a novel modeling method to study hummingbird wing movement, revealing previously unknown principles of actuation. They found that hummingbirds' primary muscles pull wings in three directions: up and down, back and forth, and twisting. This discovery has implications for technological development of agile aerial systems.
A large genetic study found that more than 2,300 genes predict alcohol and tobacco use behaviors, with a majority shared among people of European, African, American, and Asian ancestries. The study's findings have the potential to identify individuals at high risk for substance misuse.
A blast of high-energy light from a galaxy 1 billion light-years away challenges long-held theories on gamma-ray bursts (GRBs). The event, detected by NASA's Swift Observatory and Fermi Gamma-ray Space Telescope, reveals that kilonovae triggered by neutron star collisions can also produce long GRBs.
Researchers modeled how genetic changes affecting protein synthesis speed can lead to misfolding and altered activity levels in proteins. This finding suggests the importance of kinetics alongside sequence for determining protein structure and function, with potential implications for fields such as biopharmaceutics and medicine.
Researchers found that synonymous mutations can lead to misfolding and reduced protein activity due to kinetic partitioning. The study suggests a new mechanism of action for these genetic changes, which could have implications in fields like biopharmaceutics.
Researchers found that muscle wasting severity is related to the type, size and location of tumors in mice, with different tumors causing varying levels of wasting. The study's findings have crucial implications for understanding how different cancers affect muscle mass and developing effective treatments.
A recent study found that carbon dioxide changes the way macronutrients are stored and reallocated in the body of bumblebee queens. The researchers discovered that carbon dioxide induces a change in metabolism, which then triggers secondary effects on reproduction, contrary to previous hypotheses.
A recent research study led by David Almeida found that daily stressors and people's reactivity to them decrease with age. As younger individuals juggle multiple roles, their social roles and motivations change as they age, leading to fewer stressors.
A Penn State research team developed a novel analytical platform using machine learning to selectively measure multiple biomolecules, saving space and reducing complexity. The sensor can detect small quantities of uric acid and tyrosine, important biomarkers associated with various diseases, in saliva and sweat.
A team of researchers from Penn State found that the microbiomes of warblers are influenced more by evolution than diet, contrary to a recently proposed hypothesis. The study's results suggest that evolutionary history plays a larger role in determining the diversity of bacteria within birds' gut microbiomes.
Researchers found that featured reviews on Amazon can lead to higher sales and improved customer satisfaction, but the impact decreases when there are too many reviews. Products with three reviews performed better than those with more or fewer reviews.
Researchers found that fruit flies compensate for catastrophic wing injuries by flapping the damaged wing harder and reducing the speed of the healthy one. This allows them to maintain stability while exchanging some performance, actively increasing damping to counteract decreased friction between the wing and air.