Research at Duke University found that older male swamp sparrows sing less frequently and consistently, leading other males to approach them closer. This suggests that a decline in song quality may indicate to other males that an aging rival is no longer a threat.
Engineers at Duke University have developed a model predicting mechanical behaviors and origins of earthquakes in various rocks, providing insights into unobservable phenomena deep beneath the Earth's surface. The model accurately reproduces how friction decreases as rock speed increases, shedding light on earthquake mechanisms.
Researchers at Duke University developed a new method to identify objects using microwaves that improves accuracy while reducing computing time and power requirements. The system uses machine-learning approach to jointly determine optimal hardware settings, cutting out the need for image analysis by humans.
A high-fat meal can disrupt communication between the intestine and the rest of the body through enteroendocrine cells, which produce hormones to signal digestion and nutrient absorption. The study found that these cells become overstimulated and exhausted after a high-fat meal, leading to silencing of their signals.
Engineers at Duke University create a bandage that traps and holds the pro-healing molecule adenosine, accelerating callus formation and vascularization to improve bone repair. The results show better bone formation, higher bone volume, and better vascularization in mice treated with adenosine-laced bandages.
A Duke University study finds that baby pandas' bones mature at the same rate as other mammals, but are developed at an accelerated pace. The researchers used micro-CT scans to create 3D digital models of each baby's bony interior and discovered that giant panda skeletons are just like those of closely related animals, but smaller.
A new model predicts that deforestation and small-scale gold mining in the Peruvian Amazon increase mercury levels in local rivers, with effects lasting for decades. The research suggests that policies can be developed to mitigate these impacts and protect public health.
Biomedical engineers at Duke University have created a system that allows real-time observations of individual cells in the colon of a living mouse. This breakthrough enables researchers to study the digestive system's microbiome, inflammatory bowel disease, and colon cancer, as well as explore potential treatments for gastrointestinal...
A recent study from Duke University's Fuqua School of Business found that incumbent CEOs working with newly hired CFOs (co-opted CFOs) take home an average of 10% more compensation. This is attributed to the CEO's power over the CFO, who may be pressured to manage earnings to meet or exceed financial analyst targets, ultimately driving...
Researchers have identified a complex molecular interaction between reactive oxygen species and protein RITF1 that regulates root growth in the small flowering plant Arabidopsis thaliana. This discovery could lead to more efficient crop development for different soil types, optimizing productivity.
Researchers at Duke University have demonstrated a new type of broad-spectrum photodetector that can capture a multispectral image in a few trillionths of a second. The technology uses plasmonic nanocubes to trap specific frequencies of light, allowing for fast and efficient detection of different wavelengths.
Researchers at Duke University have developed DNA-based biomolecular reaction networks that can identify cancer cells by analyzing molecular signatures on their surface. The technology distinguishes cell types with higher specificity than previous methods, making it a promising step toward more accurate cancer screenings and therapies.
A Duke University microscope prototype uses machine learning to optimize lighting settings for diagnosing malaria, achieving 90% accuracy in identifying infected red blood cells. The adapted lighting system highlights the parasite in bright spots, significantly improving diagnosis times and accuracy compared to traditional methods.
A recent study found that the ratio of carbon isotopes in tuna has declined substantially since 2000, indicating shifts in phytoplankton populations. This change may be linked to increased ocean stratification and fossil fuel carbon capture, which could impact the marine food web.
A new study estimates that more than half of North Carolina's central region drinking wells contain levels of cancer-causing hexavalent chromium above state safety standards. Over 50% of wells in the Piedmont region are expected to exceed the health advisory level, posing a risk to nearly 4 million people relying on groundwater.
A new study from Duke University found that a home visiting program for newborns and their families can significantly reduce child maltreatment investigations. The program, Family Connects, resulted in a 44% lower rate of child abuse investigations during the first two years of life.
Researchers have discovered that surface waves can spread on water-glass boundaries, creating a phenomenon that could be used to pulverize kidney stones. The study uses an experimental system to visualize stress created by such waves.
Biomedical engineers at Duke University have developed a new method to create stable IDP-based materials by controlling environmental triggers. This allows researchers to harness the phase transition properties of IDPs to build novel materials for drug delivery, tissue engineering, and regenerative medicine.
Researchers at Duke University have trained an AI tool to identify up to 200 species of birds from just a photo. The system, which uses deep learning, also shows its thinking by highlighting key patterns in the image.
A study from Duke University's Fuqua School of Business found that players perform worse against opponents with rising rankings due to 'status momentum', which affects their mental game. This theory counters the widely debated 'hot hand' concept, suggesting a player's positive momentum can heighten their own performance.
Researchers at Duke University found that acquisitions by large, for-profit dialysis companies hurt patient health, survival rates and transplant rates. After acquisition, patients were more likely to be hospitalized, survived lower rates, and had reduced access to life-saving transplants.
Researchers at Duke University have developed a new forensic tracer that uses lead isotopes to detect coal fly ash in dust and other solids. The tracer can distinguish between the chemical signature of lead from coal ash and lead from other sources, providing a powerful tool for tracking exposure risks near coal ash ponds and landfills.
A new study by Duke University predicts that switching to natural gas will save 12,000 billion gallons a year by 2030, while solar and wind power yield even greater savings. These reductions come despite increased water use from fracking and shale gas production.
Research on rhesus macaques reveals that past social status has a lasting impact on gene expression, with low-ranking females showing signs of 'molecular memory' even after improving their social standing. The study sheds light on how stressful experiences can shape long-term health outcomes.
Duke engineer develops a small, inexpensive hyperspectral camera using plasmonics technology to capture multispectral images in milliseconds. The camera can precisely identify plant conditions, detect nutrient deficiencies, and optimize fertilizer application, reducing pollution and saving water and money.
Research found that 45-year-old slow walkers have 'accelerated aging' on a 19-measure scale, with poorer lung function, teeth, and immune systems compared to faster walkers. Early life neurocognitive testing also predicted walking speed at age 45.
Researchers found that North Atlantic right whale mothers significantly reduce their vocalizations when communicating with their calves, using a quiet, short sound instead of the typical loud 'up call'. This behavior, called acoustic crypsis, helps avoid attracting orcas and sharks, key predators of young whales.
A new study by Duke University and Fudan University suggests that local conservation efforts can significantly buffer the impacts of climate change, buying cities time to adapt. Local interventions have promoted coral recovery in Florida Keys and restored seagrass beds in Chesapeake Bay.
Researchers at Duke University have developed a fully print-in-place technique for electronics that can be applied to delicate surfaces like human skin and paper. This advance paves the way for high-adhesion electronic tattoos, personalized biosensors and rapid prototyping for custom electronics.
Researchers at Duke University use machine learning to model complex biological circuits, achieving speeds of hours instead of years or months. By training a deep neural network on large datasets, they uncover patterns and interactions between variables that were previously impossible to discover.
Duke University engineers used machine learning to design dielectric metamaterials that absorb and emit specific frequencies of terahertz radiation, reducing calculation time from over 2,000 years to just 23 hours. The new designs enable thermophotovoltaic devices that convert waste heat to electricity with higher efficiency.
A study of 169 baboon mothers and nearly 700 offspring reveals that a mother's history of hardship can have lasting effects on her kids, including shorter lifespans. Female baboons who experienced early adversity had offspring that were 39-48% less likely to reach adulthood.
Researchers have developed a new CRISPR technology to accurately regulate and edit genomes in human cells, opening up nearly 90% of CRISPR-Cas systems. This approach has shown promise for biomedical research, gene therapies, and other applications.
A new study by Duke University researchers finds that reducing fossil fuel emissions gradually will prevent a sudden spike in warming, instead leading to a decrease in warming rates within two decades. This approach also reduces the rate of further greenhouse gases put into the atmosphere, slowing down future warming.
Biomedical engineers create biomanufacturing platform using bursting bacteria and shrinking capsules to produce targeted proteins, enabling flexible and efficient production of diverse biologics. The new technology simplifies the creation of protein complexes and offers an easy way to produce multiple proteins simultaneously.
Biomedical engineers at Duke University developed a method to overcome limitations of gene-targeted cancer drugs by combining CRISPR/Cas9 targeting with sustained release drug delivery. This strategy effectively addressed potency, elimination, and resistance issues, demonstrating improved efficacy in mice with colorectal cancers.
A Duke University study found that female lemurs' aggression may be programmed in the womb due to high levels of androstenedione. Females exposed to higher doses of this hormone during pregnancy grow up to be more aggressive as adults.
A new UN high-seas treaty could effectively manage all fish species in international waters if it includes measures to address non-targeted species. The proposed treaty must close gaps in biodiversity governance to protect over 95% of deep ocean fish species that currently have no assessments.
Researchers at Duke University have developed a method to increase optical coherence tomography resolution down to a single micrometer, enabling live imaging of tissues throughout the body. Machine learning tools are used to compensate for light distortions and create high-quality images.
A study of lemur scents reveals that an individual's distinctive body odor reflects genetic differences in their immune system. Females pay more attention to the scents of males with different immune genes, which could lead to more diverse and resilient offspring.
Research from Duke University found that children of incarcerated parents are six times more likely to develop a substance use disorder as adults and nearly twice as likely to have diagnosable anxiety. These individuals also experience significant hurdles transitioning into adulthood.
Duke researchers identify biochemical receptor that can reverse bone degradation caused by osteoporosis, offering new potential treatment option. The study found that activating the adenosine receptor A2B can halt and even reverse bone deterioration in mouse models of osteoporosis.
Researchers at Duke University discovered that gall midge larvae use a hydrostatic legless jumping mechanism, which allows them to launch themselves through the air with incredible speed and efficiency. This remarkable behavior is made possible by sticky patches of skin on the larva's body, similar to those found on geckos' feet.
Researchers found that when zebrafish are exposed to certain toxins, their gut sheds up to a quarter of its cells through a process called delamination. This may be an effective defense mechanism, and further study is needed to understand its implications.
A new study by Duke and Northeastern universities reveals that sustained police efforts lead to higher arrest rates for gun murders compared to nonfatal shootings. The researchers found that persistence in investigating fatal cases results in more arrests due to increased resources and cooperation from witnesses.
Scientists discovered that club lung cells can repair damaged DNA and survive influenza infection, but this resilience may also contribute to chronic obstructive pulmonary disease and asthma. The findings suggest a double-edged sword in the battle between cells and viruses.
Engineers at Duke University have developed a method to extract color images from a single exposure of scattered light. The technique uses a coded aperture and prism to separate spectral bands, allowing for the reconstruction of nuanced colors in images.
A team of scientists has discovered the world's smallest fossil monkey, weighing less than half a pound and measuring just double the size of a pin. The 18-million-year-old Parvimico materdei helps fill a gap in the record of monkey evolution.
A Duke University study found that worm offspring of mothers who experienced nutrient stress during pregnancy were better equipped to handle starvation later on. This is due to changes in insulin signaling transmitted via eggs, which helped the larvae develop normally and avoid reproductive abnormalities.
New research from Duke University finds that reminding children of their various identities improves their problem-solving skills and flexible thinking about social groupings. This simple mindset switch can lead to better behavior in an increasingly diverse society.