A new study reveals that mobile phone data can be skewed towards more accessible populations, leading to misleading predictions and ineffective outbreak responses. Researchers urge acknowledging and measuring bias in all types of data to ensure accurate public health decisions.
A new type of ferroelectric polymer holds promise as a high-performance motion controller, offering a promising avenue for the development of soft actuators. The research demonstrates the potential of ferroelectric polymer nanocomposites to overcome limitations of traditional piezoelectric polymers.
Researchers found that experiencing traumatic events, such as natural disasters or loss of family income, in early life is associated with lower reading and vocabulary test scores over time. Children from rural households may face additional obstacles due to environmental shocks, leading to reduced food security and poorer health.
A global study documents the intricate balance between tree seed defense and dispersal, revealing that trees with unreliable seed production strategies rely most heavily on animal disperser species. This findings have significant implications for forest conservation efforts.
Researchers at Penn State found a significant association between salivary cotinine and heavy metals such as copper, zinc, lead, in children exposed to tobacco smoke. The study suggests that environmental tobacco smoke exposure may be a source of increased children's exposure to heavy metals.
A Penn State-led research team has revealed how a leader cell emerges to coordinate the invasion of cancer cells, enabling the prediction of tumor invasiveness. The study found that MALAT1, a gene associated with metastasis in various cancers, plays an essential role in regulating leader cells.
Penn State researchers have successfully controlled the movement and separation of nanorods using ultrasound technology, opening up new possibilities for drug delivery and bioprinting. The demonstration has potential applications in additive manufacturing and targeted drug delivery.
A digital assay called STAMP has been developed to directly measure the presence of HIV in single drops of blood, providing a more efficient and accurate alternative to traditional methods. The test uses CRISPR-Cas13 technology to detect and signal the presence of HIV, allowing for real-time monitoring of viral loads.
Researchers collected thousands of specimens from various populations to conclude that the Chesapeake logperch is a distinct subspecies found nowhere else. The fish is threatened by invasive predatory fishes and dwindling in numbers, highlighting the need for its rescue and reintroduction effort.
A study by Penn State researchers found that minority communities bore the brunt of the opioid crisis, with Black men and American Indian/Native Alaskan men and women disproportionately affected. The researchers suggest that race- and gender-specific interventions may be more effective in preventing overdose deaths.
Researchers confirm Bachman's warbler as a distinct species by sequencing its genome from museum specimens. The study reveals a new candidate gene involved in feather pigmentation in the group. Comparing the genomes of the extinct warbler with living sister species highlights the crucial role of museum collections in science.
New research found that social infrastructure in rural communities can provide essential support to older, non-white adults. This study highlights the importance of community spaces in promoting healthy aging among Black and Hispanic older adults, who are disproportionately affected by loneliness and mental health issues.
A study published in Telecommunications Policy found that cloud adoption enables innovation in rural businesses, increasing new-to-market innovation by 6% compared to non-cloud firms. The research highlights the importance of broadband access in enabling rural entrepreneurship and supporting vibrant economies.
Researchers found that giraffes on either side of the rift have not interbred for over 1,000 years, with females showing no signs of migration. The study suggests that Masai giraffes are more endangered than previously thought, requiring separate but coordinated conservation efforts.
A new study found that a vaccine against the deadly chytrid fungus in frogs can shift the composition of the microbiome, making frogs more resilient to future exposure. The researchers applied a non-lethal dosage of a metabolic product created by the chytrid fungus to tadpoles and observed a protective shift in the microbiome.
Researchers found that tightly curled scalp hair provided the best protection from the sun's radiative heat while minimizing sweat. This adaptation enabled human brains to grow to modern-day sizes without conserving water through sweating.
Researchers developed a method to guide control efforts in the park by tracking feral swine movements. Feral swine cause widespread damage to ecosystems by wallowing and rooting, reducing natural food stocks and spreading diseases.
Researchers developed a sensor capable of detecting subtle pressure changes, mimicking human skin's sensitivity. The innovative device has potential applications in robotics, healthcare, and other fields.
Researchers have created a low-cost, RNA-based sensor design that can detect human biomarker proteins with high accuracy. The technology has the potential to significantly reduce the cost of diagnostic testing for various conditions such as arthritis and cancer.
Researchers have discovered a bacterial protein that can separate rare earth elements more efficiently and effectively than current methods. The protein uses a unique dimerization mechanism to distinguish between similar metals, paving the way for greener mining and recycling practices.
A new study found that declines in sexual satisfaction and erectile function are correlated with future memory loss in middle-aged men. The research tracked associations between sex life, cognition, and physical changes in hundreds of men aged 56-68.
A team at Penn State has produced high-resolution images of SARS-CoV-2's protease protein and polyprotein complex. The research reveals a consistent order in which the proteins are cleaved, potentially supporting more efficient antiviral drugs.
A new study found that strategic city planning can reduce the urban heat island effect by using trees, taller buildings with shade-providing effects, and pavement with high albedo levels. These design strategies can help create more comfortable thermal conditions in cities, especially for low-income communities and vulnerable populations.
Researchers at Penn State have developed a protein-based nano-computing agent that can directly influence cell behavior by responding to stimuli and producing desired actions. The agent, which responds to light and a drug called rapamycin, has the potential to control cellular orientation and behavior.
Researchers at Penn State discovered that coal can act as a geological hydrogen battery, storing hydrogen for future use. The team found that coal's unique structure and properties make it an ideal material for hydrogen storage, with low-volatile bituminous coal performing best in tests.
Researchers found that tree coverage and high-albedo pavement significantly reduced mean radiant temperatures, improving thermal comfort levels in urban areas. The study suggests incorporating trees and pavement design elements into city planning to mitigate the urban heat island effect.
A new study by Penn State researchers found that some climate mitigation strategies could result in harmful health impacts in specific areas, particularly if significant land use changes are required for bioenergy production. This could lead to worsened respiratory and cardiovascular diseases, resulting in premature deaths.
Researchers developed an affordable, stretchable, and waterproof sensor using graphite material from pencils to monitor gas molecules, temperature, and electrical physiological signals. The device has the potential for public health applications, including collecting data on population health variation between geographic locations.
New experiments with ultra-cold atomic gases show that quantum systems composed of many particles change over time following a sudden energy influx. The findings reveal a universality in the behavior of these systems, shedding light on how they evolve and interact.
Researchers found that commercial properties in New York and Boston traded at lower values after Hurricane Sandy, despite no direct damage. This shift in perception is likely due to professional investors responding to changing flood risk perceptions post-Sandy.
A team of Penn State researchers is using a new field called landscape transcriptomics to study how genes respond to environmental changes. By analyzing RNA molecules from across the landscape, they aim to understand how organisms adapt to climate change and develop strategies for conservation and management.
Researchers developed a new sensor array that mimics the red, green and blue photoreceptors in human eyes, producing high-quality images through a neural network-based algorithm. The device has the potential to revolutionize camera technology by increasing spatial resolution and reducing power consumption.
Researchers characterize 106 dim blazars to test the blazar sequence theory, exploring black hole growth and general relativity. The study reveals that lower-energy peaks for dim blazars peak in blue, higher-energy light, extending current knowledge of the pattern.
Scientists at Penn State developed a new device that produces high-fidelity images by mimicking the red, green, and blue photoreceptors and neural network found in human eyes. The device uses narrowband perovskite photodetectors and a neuromorphic algorithm to process information and produce clear images.
Researchers at Penn State have developed a method to biofortify microgreens with zinc, which can increase their nutritional value and potentially address 'hidden hunger.' The study found that seeds soaked in a 200 parts per million solution of zinc sulfate resulted in higher zinc accumulation in pea and sunflower microgreens.
Researchers have found that corals in the Indo-Pacific region are more flexible and resilient to climate change due to their symbiotic relationships with algae species. These partnerships may help them withstand greater environmental changes, making them better equipped to survive in a warming ocean.
Researchers found that using positive trigger words can retrain large language models and result in less biased responses. The team analyzed GPT-2's responses to user prompts about different countries worldwide and found a significant impact on the types of adjectives used to describe citizens.
Researchers found that disordered thrift shop displays can enhance perceptions of hidden treasure, but risk perceptions outweigh this effect, leading to a net negative impact on purchase likelihood. High inventory knowledge by sellers mitigates these risks, increasing perceptions of curated products and consumer trust.
Scientists at Penn State have developed a unique materials design that can push the conversion efficiency of thermoelectric devices up to 15%. This breakthrough could transform the design and development of next-generation thermoelectric devices, making them more efficient and competitive with other power generation technologies.
A recent study found that early-nesting ducks are vulnerable to habitat destruction and predators when nesting in agricultural fields with debris from previous harvests. Climate change may exacerbate this issue, making it harder for ducks to adapt to the changing landscape.
Researchers found that people dislike fitness recommendations from apps using social media data, instead favoring personalized approaches with control options. Users prefer systems allowing them to choose between different recommendation methods, making them feel more in control.
A study found that high-quality labeling of images boosts perceptions of training data credibility, leading to increased trust in AI systems. However, biases in the data can reduce trust in certain aspects.
Researchers studying the mudskipper, a fish that spends time on land, found that its blinking behavior serves similar functions as in humans and other tetrapods. The study suggests that blinking may have evolved as part of the suite of traits that allowed early tetrapods to adapt to life on land.
Researchers from Penn State and Ohio State University used structural biology, biophysics, and cell biology to understand how pioneer factors interact with nucleosomes. They found that a specific region of the protein helps it access DNA, making it accessible for proteins involved in gene expression.
A Penn State-led team will study the impact of macrobiota, such as clams and seagrasses, on carbon cycling in estuaries, which regulate atmospheric carbon dioxide. The research aims to quantify macrobiota's contribution to carbon and alkalinity dynamics and improve predictive models.
Research suggests that agritourism and direct farm sales complement each other in the same community, increasing revenue for farmers. The study identified hotspots of farms engaging in these activities in various regions, including the Northeast, West, and Great Lakes areas.
Penn State researchers found that complex and diverse supply chains can protect cities from shortages. The diversity of an ecosystem makes a system less vulnerable to natural disasters.
A study by Penn State researchers found that organic beekeeping management is sustainable and supports high honey-bee survival and honey production, rivaling conventional methods. Organic and conventional management systems both increased winter survival by more than 180% compared to chemical-free management.
A novel process makes paper bags stronger, reusable, and biodegradable, reducing global-warming potential. The study also explores the use of torrefied paper as a source for biofuel production, offering a sustainable solution to plastic waste.
A team of researchers at Penn State has developed a first rapid test for mpox, a disease with symptoms similar to smallpox, which can be detected within minutes. The test uses nanomaterials heterostructures to detect trace amounts of genetic material in biological samples.