Articles tagged with Postdoctoral Work
Researchers create an ultra-thin, completely flat optical component made of glass substrate and silicon antennas that compensates for wavelength differences. This allows for consistent effects like deflecting beams of different colors by the same angle or focusing those colors on a single spot.
Researchers at UC Davis have developed a method to measure the conformation of single molecule 'wiring', resolving a gap between theoretical predictions and experiments. This technique provides important information for theoretical modeling, enabling better design and prediction of molecule-scale circuits.
A study in female mice reveals the brain region where hormonal state and social interaction are integrated, providing insights into human attraction and rejection behaviors. The researchers found that neurons dedicated to socio-sexual behavior were active only when females were receptive to males.
The donation will be used to augment general expenses, augmenting the existing annual funding of $1.5 million. The observatory supports hands-on astronomical experiences for students and the public, with opportunities for undergraduate research and discovery.
Penta-graphene, a two-dimensional carbon allotrope composed exclusively of pentagons, has been discovered to possess high strength, thermal stability, and unusual properties. The material's unique structure inspired by the Cairo tiling may have applications in various fields.
A UCLA study finds that regulating body temperature is a crucial factor in zebra striping, controlling zebras' body temperature and protecting them from diseases carried by biting flies. The research provides the first evidence of thermoregulation as the main reason for stripes and patterns.
A study by University of Toronto researchers highlights areas requiring further conservation due to human impact on freshwater resources. The Canadian watershed regions with the most risk from declining biodiversity are prioritized for monitoring and management.
A new study has identified over 750 genes involved in long-term memory in the worm, including those not previously found. The researchers hope to understand how these genes contribute to memory loss with age and potentially develop compounds to maintain memory.
A North Carolina State University research team has created prototypes of novel multiferroic materials and devices integrated with silicon chips. These materials offer the possibility of switching magnetism with an electric field, making them attractive for next-generation memory storage devices.
Scientists have developed a technique to coat metallic objects with an extremely thin layer of semiconductor, producing vibrant optical effects on paper and other flexible materials. The ultrathin coatings can produce bright, solid colors using the same two metals, applied with only a few atoms' difference in thickness.
A new real-time radiation monitor significantly reduces radiation exposure for medical workers during cardiac-catheterization procedures, resulting in a one-third decrease in radiation exposure. The device provides auditory feedback, enabling operators to take actions to reduce radiation exposure and adopt safer radiation practices.
Researchers develop fundamental cuts and folds to maintain lattice proportions, enabling versatile applications in nanotechnology, architecture, and aerospace. The technique allows for the creation of complex shapes, including channels and ratcheting interfaces, with potential uses in self-folding materials.
Researchers at Princeton University found that many abandoned oil and gas wells in Pennsylvania leak substantial quantities of methane. The study suggests that these 'super-emitting' wells could be a significant source of greenhouse gas emissions, potentially accounting for up to 10% of methane from human activities in the state.
A new study reveals that giant pandas are not as picky about their habitat as previously believed. The research, led by Michigan State University, found that pandas are willing to live in secondary forests, climb different slopes, and choose areas with varying amounts of sunshine.
Researchers at University of Nebraska-Lincoln enhance ferroelectric tunnel junction performance, increasing disparity between 'on' and 'off' conditions to improve RAM reliability. The team's graphene-ammonia combination also addresses the challenge of maintaining polarization in thin ferroelectric layers.
Six faculty members at Albert Einstein College of Medicine have been named 2014 AAAS Fellows, recognized for their contributions to various fields including virology, cell biology, and cancer research. The awardees include Aviv Bergman, Margaret Kielian, Richard Kitsis, U. Thomas Meier, Robert Singer, and Jan Vijg.
Researchers at UCSB's Martinis Lab successfully demonstrated a quantum version of Gauss's law using superconducting qubits. The team achieved full control over a two-qubit system, enabling precise measurement of local curvature through movement, showcasing the power of arbitrary control in quantum simulation.
Researchers found that successful language learners had more connected brain networks than less successful participants, both before and after learning. This suggests that learning a second language can lead to structural and functional changes in the brain.
A study found that midfielders and forwards with higher facial-width-to-height ratios were more likely to commit fouls and score goals. The research adds weight to the argument that facial structure is associated with aggression in athletic populations.
Lori O'Brien, a USC postdoctoral research associate, has received the first Broad Fellowship to investigate how epigenetic regulation affects kidney stem cells. The fellowship will support her research on Phf19, an epigenetic regulator that encourages embryonic stem cell self-renewal.
A new study from the University of Washington and MIT reveals that global warming is not solely caused by carbon dioxide's 'blanket' effect, but also involves shortwave radiation. The research shows how CO2 initially traps heat, but as the planet warms, it absorbs more solar radiation, leading to continued warming.
Researchers found that teenagers who placed high importance on both work and family goals, as well as having confidence in achieving them, were more likely to report feeling successful in their careers and families later in life. These individuals also reached higher education levels than those with only family-oriented goals.
Researchers have identified the exact odorant receptor that repels mosquitoes, paving the way for better and more affordable insect repellents. The discovery of a plant defensive compound that mimics DEET could lead to new treatments for vector-borne diseases.
Researchers found that chimpanzees strategically plan their breakfast time and location based on environmental factors and food availability, taking risks to secure desired fruits. The study reveals the complexity of chimpanzee cognitive behavior in complex environments.
At nearly 4,500 meters above sea level, a team led by University of Maine researchers has discovered the highest altitude ice age human occupation, dating it to around 12,000 years ago. This finding pushes back the known high-altitude habitation period by nearly a millennium.
A study from Cornell University shows that familiarity and partisanship significantly impact how candidates are perceived. Unfamiliar candidates were viewed more objectively, without partisan biases.
Researchers found dramatic differences in flow velocity patterns and forces on river beds between gravel and sandy models, disproving a popular theory. The study's new parameters improve predictive models for nutrient and pollutant transport and provide insight into organism behavior in the narrow zone where rivers meet their beds.
Biologists at UC Riverside found that geckos reverse hind foot position to use the adhesive system as a brake and stabilizer when moving downhill. The study, published in Biology Letters, sheds light on gecko locomotion on non-level terrain and has applications in robotics.
Professor Daniel G. Cyr, a renowned toxicologist at INRS, has received the Gabriel L. Plaa Award of Distinction for his pioneering work on the effects of environmental contaminants on male reproductive health. His research aims to understand the underlying cellular mechanisms of male infertility, with a focus on endocrine disruptors.
Researchers at Michigan Technological University have discovered that lithium ions cause local stress and phase transitions in anodes during charging and discharging, leading to their eventual failure. This 'atomic shuffling' phenomenon helps explain why layered materials are prone to degradation.
Researchers track Criegee intermediate through reaction to produce hydroxyl radicals, providing insights into atmospheric chemistry and climate modeling. The study's findings shed light on the dominant source of hydroxyl radicals at night, playing a significant role in the atmosphere during winter.
Scientists have found that defects in a 2D material called tungsten disulphide can create unusual characteristics, making it useful for electronic devices and hydrogen gas liberation. The researchers used an advanced microscope to visualize the defects, revealing a low-energy barrier that allows them to be easily displaced.
ApoE3 helps repair blood vessels, while apoE4 prevents this process, leading to increased cardiovascular disease risk. Researchers discovered a potential preventive treatment using NO donors for individuals with the apoE4 variant.
A new study has provided clinical guidelines for selecting the best oral blood thinner for patients suffering from deep vein thrombosis. The study, published in JAMA, analyzed 45 randomized trials involving nearly 45,000 patients and found no major differences in effectiveness and safety among eight anticoagulant therapies.
A new study by Stanford researchers found that re-analysis of clinical trial data can change conclusions, particularly when data is not shared. The study identified 37 published re-analyses, with 13 concluding that different patient populations or treatment protocols could benefit from the tested medication.
Researchers found that age-related decline in skeletal muscle stem cell function is caused by increased activation of the JAK/STAT signalling pathway. Inhibiting this pathway with specific drugs restores muscle stem cell function and promotes tissue repair.
A study from North Carolina State University found that non-native Asian camel cricket species have spread into homes across the eastern United States. The greenhouse camel cricket was found to be the most common species reported by respondents, with a significant presence in yards east of the Mississippi River.
Researchers at UO and LBNL create self-assembling, synthetic proteins called peptoid nanosheets that mimic complex biological mechanisms. The new technique enables the production of versatile peptoid nanosheets for various applications.
Researchers emphasize the need for cultural competence in brain injury research and rehabilitation to address growing minority populations and their higher risk of poorer outcomes. Studies highlight persistent health disparities among minorities with acquired brain injury, underscoring the importance of patient-centered interventions.
A Queensland University of Technology study found that gifts and personal gestures can strengthen relationships with customers, increasing loyalty. Retailers should focus on providing personalized services and occasional 'random' perks to show they care about their customers' needs.
Researchers found land snail shell remains from ~30,000 years ago in Cova de la Barriada, Spain. The discovery suggests that ancient human populations used snails as a food resource in Europe ~30,000 years ago.
A team of researchers from San Diego State University overcame numerous challenges to successfully sequence DNA samples in real-time at sea. Despite equipment failures, space constraints, and shark encounters, they managed to collect and analyze data on the Line Islands, developing new research questions and hypotheses along the way.
A recent study published in PLOS ONE has found that older Caribbean coral species exhibit fewer diseases and better immunity than newer species. Researchers examined 140 samples of 14 species, including the ancient Porites astreoides coral, which has been around for over 200 million years.
Researchers at Baycrest Centre for Geriatric Care studied the memories of 15 Air Transat passengers who experienced a life-threatening emergency in 2001. They found that those with PTSD recalled more external details, not just specific events, suggesting altered memory processing may be a vulnerability factor.
The San Antonio Life Sciences Institute has awarded $25,000 to Emily Boice and Lei Huang for their project on tracking and protecting neural stem cells in the post-stroke environment. The award aims to advance research directions in targeted disease areas impacting south Texas.
Researchers studied the vocal behavior of African penguins, identifying four basic vocalizations used by adults for communication. Juveniles and chicks also have distinct begging calls to request food. The study provides valuable insights into the vocal repertoire of endangered seabirds.
Researchers developed a new technique to manufacture microstructured surfaces with specific textures, exhibiting controllable mechanical stiffness and strength. The process involves self-assembly of carbon nanotubes and can be used to create large expanses of structures simultaneously.
A team of researchers has discovered a previously unknown mechanism for wear in metals, which could lead to improved durability of metal parts. The findings show that tiny bumps and surface defects can form through a swirling, fluid-like behavior in solid metals, leading to cracks and wear particles.
Using a femtosecond laser source, the team imaged an acetylene molecule's transformation into vinylidene with unprecedented spatial and temporal resolution. This breakthrough allows researchers to study ultrafast molecular dynamics of small organic molecules.
A new study by University of Arizona researchers found that plant size and age control most of the variation in plant productivity, not temperature and precipitation as traditionally thought. Climate still plays an important role, but its influence on ecosystem functioning has been revised.
A survey of 142 men and 516 women in scientific disciplines reveals that many experienced sexual harassment or assault while conducting field research. The majority of respondents reported experiencing inappropriate remarks or comments about physical beauty, with over 20% reporting unwanted physical contact.
The device allows researchers to study chemical reactions in liquid water under pressure without it freezing into a solid. High-pressure measurements shed light on calcium ions and may impact hydraulic fracturing and nuclear waste behavior.
The new findings demonstrate that the process can generate small amounts of electricity, comparable to other ambient energy harvesting systems. The device could be simple and powered by humidity in the air, producing clean water as a side benefit.
Men are more likely to slow their pace in the marathon, with a 15.6% average slowing in the second half compared to 11.7% for women, according to a Grand Valley State University study. Physiological factors, such as men's use of less fat and more carbohydrate during endurance exercise, may contribute to this sex difference.
A joint project between NC State University and the University of Florida is using cookies, citizen science, and robust research methods to collect data on ant species diversity. The School of Ants project has already yielded surprising findings, including the spread of invasive species across the US.
A Princeton University study of 7,000 Indonesian families found that increasing temperatures, rather than natural disasters, lead to permanent migration. The researchers discovered that a one-degree increase in temperature can result in a significant decline in household assets and economic wellbeing.
A new study found that women are greatly underrepresented in the labs of high-achieving male biology professors, despite being overrepresented overall. This discrepancy may be due to self-selection or unconscious bias, and institutions can take steps to address these issues by making their labs more welcoming to female scientists.
Researchers at Iowa State University have developed a novel method for studying plant growth using LEGO bricks, creating controlled micro-environments that can be easily replicated worldwide. The innovative approach allows for the simultaneous testing of various environmental factors, such as nutrients, water, and oxygen gradients.
Grand Valley State University researchers found that world-class sprinters are recognized as exceptionally fast prior to formal training. Most sprinters achieved world-class performances in less than five years, with over half of Olympic champions reaching this level in three years or fewer.
Researchers at Princeton University have made a groundbreaking collaboration between two areas of research, enabling the formation of previously impossible bonds. The breakthrough uses photoredox catalysis and nickel catalysis to create powerful new reactions with unprecedented efficiency and scalability.