A new study found that supplementing cattle feed with seaweed reduces methane emissions by 80%, but its large-scale production and potential impact on animal health are unclear. The researchers suggest cultivating seaweed in aquaculture operations to meet the demand, but more research is needed to determine its long-term effectiveness.
Researchers have identified genes that can help chickens resist Newcastle disease, a major poultry pathogen affecting small flocks in low- to middle-income countries. The study found that certain breeds of chickens have innate resistance to the disease due to evolutionary adaptations.
Researchers have developed a new, 3D tissue imaging technique that allows for the study of cell details without cutting tissues. This enables better diagnosis and treatment for diseases like cancer by distinguishing between subtypes.
A study by Penn State researchers found that the ability to detect food textures is related to individual differences in pressure sensitivity. The study involved 111 volunteer tasters who were asked to perceive different textures in chocolate, with those who could detect grittiness being more accurate. This research may have implicatio...
Researchers found that smokers' blood pressure rises more significantly after a drop, pushing it to unhealthy levels. The impaired baroreflex system may contribute to this increased response.
Despite population density fluctuations, ants adjust their social interactions to maintain sophisticated organization and division of labor, ensuring colony survival. The study reveals that ant colonies actively regulate spatial distribution and interaction behaviors to preserve critical elements of their social patterns.
Researchers at Penn State are embarking on a four-year effort to restore the endangered Chesapeake logperch to its original habitat in the Susquehanna River. The group, led by Jay Stauffer, has secured $500,000 in funding and is using innovative techniques such as underwater drones and culturing to introduce the fish back into the wild.
Researchers successfully control virus replication in mosquitoes using Wolbachia, which reduces the risk of human disease. The study shows promise for long-term efficacy of Wolbachia as a control option for mosquito-transmitted diseases.
Researchers have discovered ancient Fagaceae fruit and leaf fossils in Patagonia, Argentina, pushing the family's history south of the Malay Archipelago. The findings suggest a Gondwanan supercontinent legacy in Asian rainforests, expanding our understanding of plant evolution and biogeography.
Researchers identified a panel of genetic markers that reliably predict which animals are most vulnerable to chronic wasting disease in Northeastern deer. The study found that deer with the more susceptible genotypes are in the majority, particularly in the Mid-Atlantic region where an outbreak is occurring.
Research suggests that most people initiate opioid use through recreational means due to peer influence, rather than medical prescriptions. The study found that 56% of interviewees began using opioids recreationally first.
Researchers found that people who consistently scored well in seven health metrics had a lower chance of CVD than those who did not. Improving these metrics over time was also related to a lower risk of CVD in the future, according to the study.
Deer keds, a type of parasite fly that occasionally bites humans, have been found in more locations than previously thought, according to Penn State researchers. The team mapped their distribution across North America, documenting new state and county records, and warned that they may transmit disease-causing bacteria.
Richtsmeier investigates the role of developmental processes in morphological variation, using mouse models to study craniofacial growth patterns and the influence of genetic variants on disease phenotypes. Her current research focuses on the chondrocranium, the first skull to form during embryonic development.
Researchers successfully introduced carbon atoms into tungsten disulfide, creating an ambipolar semiconductor with bipolar effect. The technique enables the production of new components for energy-efficient devices with improved conductivity and catalytic activity.
Research suggests that climate change marches can increase collective efficacy beliefs, making people more optimistic about working together to address the issue. Participants who regularly consumed conservative media showed increased efficacy, while those who watched liberal media had more favorable impressions of marchers.
A team of researchers found that methane emissions from natural gas in Pennsylvania are significantly lower than those from coal, but not negligible. The study used a ratio of methane to ethane to determine the sources of emissions and estimated that natural gas production has about half the carbon footprint of coal mining.
A new study led by Penn State found that exercise can help teenagers sleep longer and more efficiently. Participants who engaged in moderate-to-vigorous physical activity fell asleep 18 minutes earlier and slept for 10 minutes longer than those who were sedentary. The researchers also found connections between sleep and activity the fo...
A recent study suggests that Native Americans' use of fire to manage vegetation in the Eastern United States had a more profound impact on forest composition than climate change. The researchers found that frequent and widespread human-caused fire resulted in the predominance of fire-adapted tree species, leading to changes in forest c...
Researchers found that opioid-exposed babies react more strongly to pain and have higher skin conductance, suggesting they may need early intervention. The study suggests that these babies handle pain worse than their non-exposed counterparts, highlighting the need for better care.
Researchers have identified a small organic compound called gluconate that acts as an anticonvulsant, inhibiting seizures by targeting chloride ion channels. The study found that gluconate suppresses seizure activity more effectively in neonatal animals than adults.
Researchers found that removing invasive shrubs restores native understory plant growth, with an unexpected ability and vigor to recolonize open spots. Native plants can thrive in areas previously occupied by invasive species, taking over with minimal additional effort.
Research by Penn State found that participants perceived security was highest for data centers located in Oceania, Europe, the rural U.S. or China, and generally had more positive attitudes towards these regions. Well-known brands like Google were seen as better guardians of personal data.
A study found that Wi-Fi location influences online privacy behavior, with people in public spaces like coffee shops being more cautious when using public Wi-Fi. Participants who had a stronger 'publicness heuristic' tendency disclosed less information and engaged in fewer unethical behaviors when connected to public networks.
Researchers found that people tend to trust machines more than humans when it comes to private information, which can lead to online behaviors. The presence of a machine agent on the interface triggers this 'machine heuristic,' making users more likely to share sensitive info.
A study found that people who believe computers can surpass humans in tasks are more likely to accept self-driving cars. This 'posthuman ability' had a significant impact on acceptance, suggesting designers could re-envision car interiors with interactive devices.
Researchers found that tech-savvy people are more accepting of digital healthcare services, particularly when they have a strong belief in machine abilities and high levels of expertise. This suggests that designing interfaces to appeal to expert users can increase the adoption of automated healthcare providers.
Penn State researchers have discovered a way to control substrate defects to improve the quality of 2D materials, enabling wafer-scale growth. The new method uses hexagonal boron nitride as a surface to orient transition metal dichalcogenides in a preferred direction.
Researchers at Penn State have found that gravitational forces within protoplanetary disks can cause super-Earths to migrate closer to their host star. This simulation shows that chaotic interactions among planets and the gas disk can lead to synchronized orbits, resulting in super-Earths being pushed towards the star.
A new pilot program aims to increase diversity and inclusion in STEM fields by leveraging a successful program model. The program showed promising results, with underrepresented students experiencing higher retention rates and GPAs compared to non-participants.
Research found that individuals with depression who experienced stress in the previous 24 hours had worse endothelial function. The study also linked stress to more severe symptoms of depression and poor vascular function.
Researchers developed a microchannel trapping device to detect bacteria in patient samples quickly, reducing testing time from days to minutes. The device can classify bacteria into three main shapes and identify antimicrobial susceptibility directly from clinical samples.
An international team of anthropologists discovered a ancient ritual bundle in southwestern Bolivia containing multiple psychoactive substances, including cocaine, DMT, and ayahuasca. The researchers believe the shaman who owned this pouch consumed multiple plants simultaneously to produce different effects or extend their hallucinations.
Pennsylvania's tick population has shifted significantly over the past century, from Ixodes cookei to Ixodes scapularis, with climate change and habitat loss contributing to these changes. The dominant species is now linked to Lyme disease, highlighting the importance of robust surveillance and analysis of historical data.
A randomized controlled trial found that participants who ate whole walnuts daily had lower central blood pressure and reduced cardiovascular risk factors. Walnuts were found to have additive benefits on heart health, with alpha-linolenic acid and other bioactive compounds contributing to the positive effects.
A study found that new mothers who slept more had greater well-being, while fathers who slept more reported lower overall well-being. The researchers also discovered that on days when fathers exercised more, there was a lower likelihood of arguments with their partners.
Stakeholders rely on federal government-sponsored research to form opinions on hydraulic fracturing, viewing it as more neutral and credible. The study highlights the importance of federal research in reducing polarization and shaping the regulatory landscape.
A strategic mix of cover crops reduces nitrogen loss in the Chesapeake Bay, while also increasing yields in subsequent cash crops. Mixtures with a high proportion of legumes and a low rate of cereal rye are most effective.
Researchers have identified a key gene driving color differences in bumble bee species, revealing the genetic basis of mimicry and evolutionary adaptations. The study found that a specific regulatory region influences Abdominal-B gene expression, resulting in unique color patterns.
Researchers studying white-throated sparrows found that their bodies undergo significant changes during migration, including altered immune function and tissue-repair mechanisms. These changes allow the birds to perform well despite limited sleep, raising potential implications for human health.
Researchers discovered that certain bacteria use viruses to identify and kill rival bacteria for resources. The discovery has implications for synthetic biology and medicine, where understanding bacterial competition could lead to breakthroughs in treating infectious diseases.
Researchers found elevated ozone levels 30-50% higher than baseline conditions in the Amazon rainforest downwind of the city. Human activities release nitrogen oxides and VOCs that mix with plant-emitted gases, producing chemicals affecting regional air quality and climate.
A team of researchers discovered human skeletons on forest islands in southwestern Amazonia that date back up to 10,000 years, indicating the presence of hunter gatherers with early signs of agriculture. The findings provide strong evidence for the antiquity and origin of these sites.
Researchers have developed new Cryo-Chip substrates that improve contrast and specimen retention in cryo-electron microscopy (cryo-EM) imaging. These advancements enable faster data acquisition, leading to more efficient analysis of macromolecules in various biological systems.
A new protein-based sensor can detect tiny amounts of lanthanides, a crucial component of smartphone screens and electronics. The sensor uses a shape change to bind to the metal, allowing for rapid and inexpensive detection at the location of sampling.
Researchers at Penn State found that kids who don't drink water consume twice as many calories from sugary drinks. The study analyzed data from 8,400 children and found that those who didn't drink water exceeded the daily recommended limit for added sugars.
Researchers found that chatbots with human-like features but low interactivity disappointed people, while those with high interactivity were better received. Improving interactivity without adding human-like cues can also lead to a more positive user experience.
A new study by Penn State researchers finds that male fence lizards' physical traits and behaviors used to attract mates remain unchanged under low levels of stress. This suggests that these traits are more resilient to stress than previously thought.
Researchers confirm a long-hypothesized limit for weather prediction, first proposed in the 1960s, which is approximately two weeks on average. They used state-of-the-art models to test this limit and found that reliable forecasts are now possible nine to 10 days out in mid-latitudes.
The North Atlantic warming hole has a significant impact on the North Atlantic jet stream, leading to changes in atmospheric circulation and storm tracks. The cooling pattern caused by the warming hole is predicted to become greater and more apparent as the century progresses.