A new study published in the Journal of General Internal Medicine found that even residents with no initial sleep problems experience significant deteriorating sleep quality and daytime alertness during residency. The study suggests that all residents are at risk, regardless of initial sleep status.
The lab aims to design and develop MVSOT technologies using synthetic spider silk and other biomaterials for stronger, more effective, and environmentally friendly designs. USU's expertise will also be shared with the Navy on how to produce synthetic slime from hagfish proteins.
A study analyzing a New Zealand database found that targeted biosecurity measures can slow the introduction and spread of fungal plant pathogens. The research showed an exponential increase in pathogens over time, but a decline after the implementation of specific measures around the 1980s.
Detailed micro-CT scans reveal a 2,100-year-old Egyptian mummy was actually a near-to-term, severely malformed fetus with anencephaly. The finding provides clues to maternal diet and raises questions about mummification practices.
Cancer cells use lipid molecules as fuel when blood supply is low, helping them evade antiangiogenic treatment. A new mechanism suggests that blocking lipid energy pathways could improve cancer treatment outcomes.
Researchers at Oxford University and Agroscope found large differences in environmental impact between producers of the same product. A plant-based diet can reduce greenhouse gas emissions by up to 73% and global agricultural land use by ~3.1 billion hectares, according to a new database.
Scientists at Hokkaido University have developed a theoretical approach to quantum computing that uses light squeezing to dramatically reduce errors. This new method is ten billion times more tolerant of errors than current experimental methods, bringing us closer to developing ultra-accurate quantum computers.
Researchers have developed a new carbon-based material that significantly outperforms current drying agents, with twice the absorbent capacity of industry standard silica gel. The super desiccant can discharge moisture at energy-saving low temperatures, making it suitable for frequent reuse and reducing costs.
The research team aims to understand how the Irrawaddy-Salween Delta will respond to expected changes in sediment supply and coastal dynamics due to climate change and human development. They are using field studies and computer modeling to characterize where sediments accumulate and the mechanisms that move them.
Research from Dartmouth College shows that cooler weather can increase the lethality of southern pine beetles' attacks on trees. The study demonstrates how climate change creates a destructive one-two punch for forests, with warmer temperatures leading to synchronized emergence of adult beetles and increased population density.
A University of Maryland-led study has observed the electron heating process in Earth's bow shock, revealing a new mechanism for converting energy from the solar wind to heat. This breakthrough provides valuable new insights into Earth's magnetic field and its ability to protect the planet from harmful particles and radiation.
A new study found that hot flashes and night sweats can persist well into women's 60s, 70s, and 80s. Researchers suggest that women with these symptoms should discuss treatment options with their healthcare providers.
Researchers at University of Toronto design an algorithm to dynamically disrupt facial recognition systems, protecting users' privacy. The 'privacy filter' alters specific pixels in images to make changes imperceptible to the human eye, fooling facial detection AI.
Marine organisms easily ingest nanoplastics, which accumulate in their bodies over time, threatening food safety. Nanoplastics can transfer up the food chain, affecting human health, as shown in a recent study using acorn barnacles.
Stanford researchers have developed an artificial sensory nerve system that can activate twitch reflexes in cockroaches and identify Braille letters. The system integrates a touch sensor, flexible electronic neuron, and synaptic transistor to mimic human synapses.
A quarter of intensive care patients are readmitted to hospital shortly after returning home, research suggests. Poor carer stress, difficulty understanding health and social care packages, and psychological trauma contribute to high rates of return, the findings show. The study highlights the need for services to take into account com...
A single molecule expressed in the brain affects how we learn new tasks and acquire new memories. Mice with a mutated Arc protein showed cognitive inflexibility, highlighting the importance of proteins being switched on and off at the correct times.
Scientists have discovered dunes made of solid methane on Pluto, defying expectations due to the dwarf planet's thin atmosphere. The findings were made possible by New Horizons' detailed images and modeling, which suggest that wind can create these unique landforms through a process involving sublimation.
A new alloy is being developed through the testing of a sintering process in microgravity aboard the International Space Station. The investigation uses liquid phase sintering to study the degree of distortion caused by microgravity, with potential applications for space manufacturing and Earth-based industries.
Researchers used a novel geochemical proxy to study the evolution of marine life and oxygen levels in the ocean. The findings suggest that upper-ocean oxygen levels did not stabilize until 200 million years ago, when larger eukaryotic plankton dominated the world's oceans.
A study analyzing ancient Icelandic genomes of 25 individuals from the island's colonization period (870-930) found that present-day Icelanders have a 70% Norwegian genetic fingerprint. The analysis also revealed a gender bias in the population, with men of Scandinavian origin having more offspring than women of Celtic origin.
Researchers found that Thanksgiving visits were 30-50 minutes shorter after the 2016 presidential election, with effects worse in media markets with intense political advertising. This indicates a broader decline in social capital and close connections between friends and family.
Researchers create physical objects from imaging datasets using a new data processing method that preserves fine details and allows quick distinction between parts. This innovation aims to make 3D printing more accessible and allow anyone to print nearly anything.
A new device developed by Sensia Solutions can detect gas leaks and measure their amount, providing a solution to this problem at an affordable price. The technology has the potential to reduce the carbon footprint from gas leaks by up to 70%.
A study published in Biological Psychiatry reveals that cocaine self-administration changes gene expression in the brains of mice. Transcriptome-wide alterations indicate a significant impact on brain reward circuits.
A new study found that men with prostate cancer who experience urinary, bowel, or sexual dysfunction after treatment are more likely to experience emotional distress, which can lead to worsening function. The researchers emphasize the need for greater investment in psychosocial care to mitigate treatment side effects and improve qualit...
A Johns Hopkins study found that patients undergoing colonoscopies and upper-GI endoscopies at US outpatient specialty centers face a higher risk of bacterial infections than previously believed. The research revealed that infection rates vary widely among facilities, with some ASCs experiencing rates up to 100 times higher than expected.
A study found that patients' beliefs in the harmlessness of antibiotics can lead clinicians to prescribe them more, despite knowledge of side effects, resulting in increased healthcare costs and adverse reactions. The 'WNTAR' belief can also contribute to antibiotic resistance, a growing global health threat.
A recent NIH study discovered that bigger human brains prioritize thinking areas at a cost to emotional, sensory, and motor functions. The larger the brain, the more its additional area is accounted for by growth in thinking areas of the cortex, leading to higher energy consumption.
Researchers have discovered that a compound found in green tea can break up potentially dangerous protein plaques in the blood vessels, which can reduce the flow of blood to the heart and brain. This discovery could lead to new medicines to treat heart attack and stroke.
A novel scaffold enables programmed deformation of 2D cell-laden structure to 3D tubular shape, facilitating facile 3D endothelialization. The study offers a new method for creating tissue-engineered vascular grafts and a potential in vitro model for screening cardiovascular drugs.
Researchers identify NOTCH2NL genes as key to human-specific cortex development and large brain evolution. These genes delay neuron differentiation, resulting in more neurons across development.
The construction of hydroelectric dams on the Mekong River poses significant risks to fish migration, livelihoods, and regional food security in Cambodia. The Tonle Sap Lake's unique hydrological system is strongly influenced by the Asian monsoon, which could be disrupted by changes in water levels and flows.
Researchers found that an antifungal medication can halt the growth of dormant cells within bowel tumours in mice. The study suggests that this drug could be effective in treating advanced bowel cancer by targeting drug-resistant cells.
Researchers at Ohio State University found that mice housed in groups had better memories and healthier brains than those living in pairs. The study suggests that social connections can positively influence the aging brain and may be a key to preserving cognitive health.
A recent GW study reveals that many patients and medical care providers hold a 'Why not take a risk?' mentality when it comes to antibiotics, despite knowing their limitations. This mindset can lead to unnecessary prescribing and the spread of superbugs, causing significant harm.
Researchers have designed a new material that uses self-assembly to create an efficient catalyst for hydrogen fuel cells. The catalyst is made from a combination of cobalt and ruthenium molecules that assemble themselves into the desired structure, allowing for large-scale production at a lower cost than current platinum-based catalysts.
Ticks cannot survive without bacterial symbionts that synthesize B vitamins from scarce nutrients in blood. A study discovered a key bacterium that produces vital B vitamins, such as biotin and folic acid, for ticks' survival.
Research suggests that females with borderline personality disorder experience worsening symptoms during the perimenstrual window of their menstrual cycle. Symptoms such as depression and anxiety increase by at least 30 percent during this time, which is particularly concerning for individuals at high risk of suicide.
The US Department of Energy's Oak Ridge National Laboratory has developed a new method to produce actinium-227, a key radioisotope for the cancer drug Xofigo. This will ensure a sustainable supply of the drug, which is used to treat prostate cancer that no longer responds to hormonal or surgical treatment.
Researchers from SUTD and HUJI develop highly stretchable, UV-curable hydrogels suitable for high-resolution 3D printing. These hydrogels enable the fabrication of complex geometries and high-stretchability structures.
Two ancient populations that diverged later 'reconverged' in the Americas, according to a new genetic study. The study challenges previous research suggesting a single ancestral branch for Native Americans.
Biosecurity measures have been shown to effectively curb invasive plant pathogen introductions, even as trade and travel increase. The study found that targeted biosecurity interventions can reduce the establishment of non-native pathogens in agricultural sectors, slowing their spread.
A research group has developed a new technique to study the behavior of p53 conformers, which are prone to forming amyloid aggregates that contribute to cancer development. The approach allows researchers to observe these conformers before they aggregate, providing potential tools for understanding and blocking their formation.
A recent study by Colorado State University researchers found that Native American adolescents are more likely to use alcohol and illicit drugs than non-Native adolescents in the US. The study reported significant disparities in cannabis and alcohol use among Native youth, with 8th-grade students showing the greatest disparity.
Research finds that inefficient breakdown of fats in fat cells predicts later weight gain and metabolic complications such as type 2 diabetes. An algorithm based on clinical and blood measures can detect impairments in hormone-stimulated lipolysis, identifying women at high risk of becoming overweight or obese.
A new study led by the University of Essex engineers a model crop to overexpress a protein involved in recycling toxic chemicals, increasing yields by 27-47%. The approach may help farmers produce more food despite increasing temperature stress.
Researchers from MIPT and TISNCM developed a new type of nuclear battery using nickel-63 that packs about 3,300 milliwatt-hours of energy per gram, exceeding previous records. The battery achieves a power density 10 times higher than commercial chemical cells, making it suitable for powering small devices.
Researchers analyzed blood and tissue samples from kidney transplant recipients to understand how immunosuppressive drug tacrolimus works. They found that it reduces the number of T follicular helper cells, a key player in antibody production.
A study found that baking soda can reverse acidity-induced dormancy and drug resistance in cancer cells, making them more susceptible to therapy. Researchers discovered that baking soda neutralizes the acidity of hypoxic patches in tumors, restoring mTOR activity and protein production.
Researchers developed a precision-medicine approach using patient-derived organoids to predict treatment responses in pancreatic cancer. The method identified specific gene signatures that can guide the selection of chemotherapy regimens, offering hope for improved survival rates and quality of life.
Researchers have developed an algorithm inspired by dolphin echolocation, which can disentangle overlapping signals and provide more precise information on object shape. This breakthrough technology could improve medical ultrasound imaging and measure organ membrane thickness, among other applications.
UT Health San Antonio will receive funding for pilot projects in various areas, including cancer, heart disease, and regenerative medicine. The university aims to translate research discovery into improved patient care and develop biomedical professionals.
Grand Challenges Canada announces $10 million investment in 100 innovative projects addressing women's and children's health challenges in low- and middle-income countries. The projects aim to reduce maternal mortality, improve reproductive healthcare, and combat stigmas, with potential to save 1.1 million lives by 2030.
A study found that living kidney donors consider post-donation concerns such as kidney health and surgical impacts more important than hypothetical long-term risks. The research highlights the need to understand donors' priorities for informed decision-making and care.
A new study by Brigham Young University finds that mothers with high emotional control and problem-solving abilities are less likely to have children develop behavioral problems. The study also suggests that improving mothers' emotional and cognitive control can lead to a reduction in harsh verbal parenting and child conduct problems.
A new study reveals widespread labor exploitation in the global tea and cocoa industries, with workers facing severe poverty, abuse, and lack of basic services. The research found that even certified companies are failing to prevent labor abuses, highlighting a need for structural changes to address the root causes.
A recent study by UT Southwestern researchers reveals that the NAD+ molecule plays a crucial role in controlling genes essential for fat cell differentiation and cancer growth. The findings suggest that compartmentalized synthesis of NAD+ integrates cellular information to control gene expression, maintaining metabolic health.
A Norwegian University of Science and Technology study found that individuals with coronary heart disease who are physically active live longer, regardless of their weight. The study revealed that even slight physical activity is better than none at all, but sustained high-intensity exercise is crucial for reaping benefits.
Weichselbaum, Professor and Chairman of Radiation and Cellular Oncology at the University of Chicago, has made significant contributions to understanding oligometastasis. His work on curing tumors through surgery or radiation therapy has been supported by several studies demonstrating successful treatments.