Researchers at Oak Ridge National Laboratory have made significant advancements in identifying microbes linked to endometriosis, a condition that causes painful lesions and infertility. The lab has also developed a low-power neuromorphic device capable of quickly analyzing complex data sets, promising applications in scientific research.
A new poll suggests that nursing homes should require flu shots for all staff and patients to protect vulnerable patients from serious complications. The majority of respondents (73%) also believe that non-medical staff should be vaccinated, while 71% think visitors should be required to get vaccinated before visiting loved ones.
Scientists analyzed NASA's Aqua satellite records to find that rising maximum temperatures are affecting every ecosystem on the planet, from ice sheets to tropical forests. Temperature extremes coincided with severe droughts and heat waves across the globe, particularly in tropical regions and northern hemisphere.
A study published in PLOS One found that lions in the same conservation area as giraffes reduces calf populations by up to 82 percent. This has significant implications for giraffe population sustainability and conservation efforts. Giraffe populations have declined by 40 percent over the last 30 years.
A new study found that an individual's history of past falls can significantly increase their risk of a new fracture. Even after accounting for FRAX and bone mineral density tests, past falls were associated with a 63%-71% increased risk of a new fracture occurring.
A Mayo Clinic study reveals that hysterectomy alone is associated with a significantly increased risk of cardiovascular diseases and metabolic conditions. Women under 35 had a high risk of congestive heart failure and coronary artery disease.
The study reveals that the genetic code, specifically silent nucleotide substitutions, plays a crucial role in determining the functions of vital proteins. Ribosome density on RNA is also found to be significantly higher for β-actin than γ-actin, enabling it to translate into protein faster.
A University of Utah study finds Arctic clouds highly sensitive to air pollution, with particulate matter spurring cloud formation and amplifying the warming effect. The research suggests controlling airborne pollutants could ease Arctic cloud cover and slow down warming.
Researchers have created an environmentally friendly red light flare using a lithium-based pyrotechnic composition, avoiding hazardous elements like strontium and chlorinated organic materials. The new formulation shows high color quality and purity, and the team plans to further optimize its luminosity.
The Mathematical Association of America will award prizes for meritorious service and exemplary writing to David Bressoud, Gary Gordon, Hortensia Soto, Ronald Taylor, Jr., and Daniel Velleman. The awards recognize distinguished service in the mathematical community, teaching effectiveness, and outstanding article contributions.
Researchers have developed a new method to measure the average temperature of the global ocean using noble gases in the atmosphere. By analyzing air bubbles trapped in ice cores, scientists can calculate the average global ocean temperature with high precision, providing insights into past climate cycles and modern ocean changes.
Researchers have developed a new approach to treating tinnitus by targeting unruly nerve activity in the brain with precisely timed sound and skin stimulation. Human participants reported improved quality of life after four weeks of daily device use, while sham treatment did not produce similar effects.
A new study finds that hysterectomies with ovarian conservation increase the risk of hyperlipidemia, hypertension, and cardiovascular disease. Women under 35 are at greatest risk for congestive heart failure and coronary artery disease.
A new study provides direct genetic evidence that the first Native Americans arrived in the continent via a single migration event, with the Ancient Beringians being an offshoot of the same ancestral population as Northern and Southern Native American groups. The findings suggest people entered Alaska before 20,000 years ago.
Researchers discovered that a parasitic plant called Dodder can silence the expression of genes in its host plants, including those involved in defense against parasites. By targeting specific regions of the gene sequence, Dodder regulates the flow of nutrients to itself while preventing the host from producing defensive proteins.
Facial exercises improved middle-aged women's facial appearance by increasing muscle volume and reducing visible signs of aging. After 20 weeks, participants showed a significant decrease in age appearance, with average skin firmness and fuller upper and lower cheeks.
A new population of ancient Native Americans has been identified through genetic analysis of a 6-week-old infant found in an Interior Alaska archaeological site. The Ancient Beringians are believed to have split from East Asians around 35,000 years ago and lived in the Far North for thousands of years.
The new total-body PET/CT scanner will advance clinical research and patient care by providing better imaging data from the whole body, reducing radiation exposure and increasing sensitivity. This technology has the potential to change cancer detection and staging methods, as well as improve diagnosis for other systemic conditions.
A new study shows that female professors experience more demands and requests for special favors from students, particularly those with high academic entitlement. These requests can be emotionally taxing and affect career advancement opportunities.
Experts argue that sugar may play a key role in obesity and type 2 diabetes due to its unique metabolic effects, potentially beyond just excess calories. The World Health Organization describes the twin epidemics as a 'slow-motion disaster,' but critics say current recommendations targeting only calories are insufficient.
Two doctoral students at the University of Kansas have demonstrated methods to improve the capture of sunlight in experiments at the Center for Design Research. By analyzing data from a year-long study on rooftop materials, they found that panels installed over green roofs performed best, generating an average of 1.4% more energy compa...
A new study suggests that pediatricians can improve mental health screenings in children by receiving training and support. The screening rates soared 73 percent during the 15-month study, showing potential for better outcomes.
A team of researchers is developing complex computer models to predict how cancer will progress in individual patients. They use advanced computing resources, including those at the Texas Advanced Computing Center, to analyze patient-specific data from imaging tests and biopsies, as well as other factors.
Researchers have developed a robot exoskeleton that can rapidly change its shape in response to chemical or thermal changes, enabling the creation of autonomous micron-scale machines. The graphene-based bimorph technology allows for the production of tiny robots with electronic, photonic and chemical payloads.
A new lithium-rich battery developed by Northwestern University can cycle more lithium ions than its common counterpart, enabling higher capacity batteries that could extend the lifespan of smartphones and cars. By leveraging both iron and oxygen to drive the chemical reaction, the battery's capacity is significantly increased.
A new study from The Ohio State University Wexner Medical Center suggests that weak deep core muscles increase the risk of low back pain in runners. By analyzing muscle movements and pressure on joints, researchers found that planks and stabilizing exercises are essential for preventing back pain.
A new clinical trial has shown that a stem cell transplant regimen can improve survival and quality of life for people with severe scleroderma. The study found myeloablative autologous hematopoietic stem cell transplant to be superior to treatment with the immune-suppressing drug cyclophosphamide, offering significantly greater long-te...
Researchers at UNICAMP developed a new method to increase the resolution of proteomic analysis by mass spectrometry, identifying 10,390 proteins expressed in oligodendrocytes. This improved resolution enables the study of previously undetectable proteins, potentially leading to novel therapeutic approaches for schizophrenia.
The American Institute of Ultrasound in Medicine (AIUM) has developed a roadmap for improving the quality of ultrasound imaging in obstetrics and gynecology. A consensus curriculum and competency assessment tools have been established to standardize ultrasound training in residency programs, aiming to enhance patient safety and quality...
A team of researchers from the University of Bonn has discovered a unique type of bony tissue called pneumosteum, which is found in birds and some dinosaurs. This discovery provides new insights into the evolution of their respiratory systems and opens up possibilities for studying extinct species.
A study published in Ophthalmology found that art training improved medical students' observation and diagnostic skills. The study involved 36 first-year medical students who received six 90-minute art observation sessions at the Philadelphia Museum of Art, resulting in significantly improved observational skills and empathy.
Researchers have developed an automated bird recognition system using spectrographic analysis of bird calls and songs, improving accuracy by reducing background noise and applying pattern recognition techniques.
A recent study found a rapid increase in type 1 diabetes cases among children in China over the past two decades. The majority of new cases are diagnosed in adults, highlighting the need for more resources to improve care for adult-onset type 1 diabetes.
The NRG Oncology trial found that trastuzumab did not negatively affect cardiac function in patients with node-positive, HER2-positive breast cancer who survived without cancer recurrence. Both groups maintained good cardiac function at a median of 8.8 years after treatment.
Researchers discovered dodder's sophisticated gene manipulation system, which operates like a computer virus, allowing the parasite to silence specific genes in its hosts. This finding has implications for engineering parasite-resistant plants.
Clinical commissioning groups in England received over £3.7 million in payments from drug companies that were not disclosed to patients and the public. The findings show that only two-thirds of payments and a quarter of their value were listed in registers or declarations published by CCGs.
A new study led by Colorado State University researcher Jessica Witt investigates the impact of actions on vision. The findings suggest that vision is influenced by actions, but this effect may not be entirely dependent on the participant's level of understanding the experiment's purpose.
Scientists at SIMM have determined the crystal structure of the human glucagon receptor in complex with a glucagon analogue, providing insights into its activation mechanism. The study reveals significant conformational changes in the linker region and extracellular loop that facilitate peptide binding and initiate receptor activation.
Researchers have developed a new sowing approach for coral reef restoration, allowing for the handling of large numbers of corals in a short amount of time at significantly lower costs. The approach minimizes costs and time required for outplanting corals by settling larvae on specifically designed substrates.
The Future Vaccine Manufacturing Hub aims to increase vaccine coverage worldwide, improve response to deadly outbreaks, and overcome barriers in vaccine distribution. Researchers will explore innovative approaches, including synthetic RNA vaccines and protein stabilisation, to rapidly respond to emerging threats.
Researchers combine small-scale experiments with computer models to explore human behavior in large groups, shedding new light on group problem-solving approaches. The approach validates the model by informing future experiments and examining policy interventions that alter social behavior.
Researchers at UCSB have identified a unique class of gustatory receptor neurons necessary for calcium taste in fruit flies. They found that calcium is sensed as slightly bitter and sour, but its effects on human health are complex, with high levels associated with diseases.
Researchers at Caltech created bacterial cells that can reflect sound waves, allowing them to visualize and locate therapeutic bacteria in the body. This technology uses ultrasound machines to generate images of bacterial cells, enabling doctors to assess treatment efficacy.
Researchers found that combining oncolytic viruses and checkpoint inhibitors cured 60-90% of triple negative breast cancer in mice, while traditional treatments failed. The combination therapy showed promising results, but further research is needed to test its efficacy in humans.
A large Israeli study found that mothers who took folic acid and multivitamin supplements before and during pregnancy had a lower likelihood of having children with autism spectrum disorder. However, the researchers note that other factors may explain this association.
Researchers found that climate-related primary productivity, biodiversity, and pathogen stress influence global pattern of population densities of ethnographically documented hunter-gatherers, showing cultural evolution did not free humans from environmental forces.
Researchers at University of Illinois create new maize growth model by integrating features from Community Land Model and Agricultural Production Systems sIMulator. The new model can simulate crop yields with improved accuracy and mechanism, correcting deficiencies in the original CLM model.
Max Planck fellow programme extended to strengthen cooperation between institutes and universities, focusing on global biodiversity database TRY. Joint projects explore ecosystem functioning in Amazonian forests and biodiversity effects via remote sensing.
Scientists tagged bone marrow cells with a genetic label to track their family tree as they form naturally. The study reveals differences in how stem cells behave in their native environment versus laboratory settings, with implications for blood cell transplantation and gene therapy.
Researchers at the Energy Safety Research Institute discovered that hard-to-remove contaminants like iron catalyst, carbon, and water can skew conductivity test results. Cleaning these contaminants using vacuum annealing or argon ion bombardment can improve measurement accuracy, but may also introduce defects that degrade conductivity.
Tropical Depression Bolaven is being weakened by persistent vertical wind shear and cooler sea surface temperatures as it approaches Vietnam. The storm will track west across the South China Sea before making final landfall in southern Vietnam on Jan. 4.
A new device, SPARTAN, uses an obstacle course to select the fastest and healthiest sperm cells for use in IVF treatment. The device can reduce IVF treatment cycles and potentially increase pregnancy rates by selecting sperm with excellent motility, normal morphology, and better DNA integrity.
Scientists have found that a naturally occurring virus called reovirus can act as an effective immunotherapy in patients with brain cancer or other cancers that have spread to the brain. The virus replicates and kills cancer cells, while also stimulating the body's own immune system.
Researchers identified annual ryegrass as the most economically viable option to provide early season forage after alfalfa winterkill. This forage crop offers high yields and nutrient content, making it an effective way for farmers to offset losses.
A recent study funded by the Morris Animal Foundation reveals that a decrease in wildlife populations leads to an increase in local tick populations, potentially threatening human and animal health. The research found that large mammals play a vital role in regulating tick numbers, with conservation efforts showing promise in reducing ...
Experts say pay for performance programs have limited effect, with no significant difference in mortality rates between early and late adopters. The study suggests that increasing incentives and focusing on key measures may improve outcomes.
Researchers found that dietary trehalose enhances the virulence of epidemic C. difficile lineages, leading to increased disease severity and mortality in animal models. The study suggests that trehalose may be a key trigger for the predominance of these lineages, contributing to hospital-acquired infections.
Researchers used MMS data to identify regions where high-energy electrons are accelerated, a key step in understanding magnetosphere energy conversion. This discovery will help scientists study magnetic reconnection and its effects on Earth's power grids and GPS communications.
Researchers identified rare genetic variations in Thorase protein associated with schizophrenia, reversed anti-social behavior in mice using perampanel. The study provides preliminary support for Thorase's role in behavioral disorders.
The World Health Organization has prequalified the Typbar-TCV typhoid conjugate vaccine, offering longer-lasting protection and allowing administration to children under two years old. This step is crucial in expanding access to this lifesaving vaccine and reducing the burden of typhoid in high-risk areas.
Researchers at Columbia University Medical Center discovered that a gene fusion can cause cancer by increasing mitochondrial activity and fueling cell growth. Drugs targeting this pathway can prevent tumor growth in human cancer cells and mice with brain cancer.
A study of 13,237 veterans found that elective coronary revascularization procedures at VA hospitals had better travel distances but more variable outcomes compared to community-based facilities. The researchers also noted differences in costs between the two settings.
A new clinical trial shows that using a generic skin cream containing fluorouracil (5-FU) for two to four weeks can reduce the risk of squamous cell carcinoma (SCC) needing surgery by 75% within a year. The study, led by Dr. Martin A. Weinstock, involved over 900 military veterans at high risk for keratinocyte carcinoma skin cancer.
Despite being younger with fewer complications, African surgery patients face a higher risk of death compared to the global average. The study calls for improved monitoring of patients during and after surgery to improve outcomes.
Researchers found that high atmospheric oxygen levels were not critical to the origin of animals, but rather occurred between 540 and 420 million years ago. The transition to a world with an oxygenated deep ocean required significant changes in atmospheric O2 levels, which approached modern levels around 400 million years ago.
The authors propose a scalable and cost-effective preparation protocol for low-dimensional polyion complex nanomaterials with tunable morphologies. The protocol, called PIESA, enables the synthesis of biorelevant nanostructures with controllable shape and charge state.
A study led by The Ottawa Hospital and University of Ottawa suggests combining oncolytic viruses with checkpoint inhibitors could cure resistant breast cancer in mice. This combination therapy showed success in models that mimic metastatic spread after surgery, curing 60-90% of mice.
A new study by Duke University researchers found that stem cell transplant significantly improves survival and reduces the need for immune suppressant drugs in patients with severe scleroderma. The regimen, which includes chemotherapy and radiation, showed a highly significant benefit compared to conventional drug therapy.
A new smart grid system has been developed to reduce inter-area oscillations on the western power grid, allowing for more power to be transmitted while maintaining stability. The system uses real-time data from sensors placed throughout the grid to counteract oscillations, enabling utilities to save costs and improve efficiency.
Researchers found that Costa Rican paper wasps' brains follow biological rule when overall brain size increases, but specific subregions don't. Complex brain structures like mushroom bodies and antennal lobes decrease in proportional size in smaller-bodied wasps.
Research in mice and tissue cultures suggests that vitamin C enhances the killing power of first-line TB drugs, isoniazid and rifampicin. The combination reduces organ burdens faster than the drugs alone, with a potential to shorten TB chemotherapy duration.
A team of researchers found that the star's light appears to dim and brighten due to different amounts of dust blocking various wavelengths of light. The study rules out alien megastructures as a cause, but raises the possibility of other phenomena being behind the dimming.
A new study explores the ecological knowledge of 4-year-old children from urban Native American, rural Native American, and urban non-Native American communities. The research found that rural Native American children were more verbal in their play, while all children displayed realistic and imaginary ecological relations among living ...
New research reveals how alcohol causes permanent genetic damage to blood stem cells, leading to cancer. The study found that acetaldehyde breaks and damages DNA within these cells, altering chromosome sequences and increasing the risk of certain cancers.
Researchers at Penn State and ETH Zurich have demonstrated the behavior of particles of light in a two-dimensional array of waveguides, matching predictions for the four-dimensional quantum Hall effect. This achievement provides evidence for higher-dimensional quantum Hall physics, with potential applications in novel photonic devices.
Researchers from Louisiana State University have collected new data on KIC 8462852, also known as Tabby's Star, which has been dimming and brightening sporadically. The study suggests that dust is likely the cause of these changes, blocking different colors of light at varying intensities.
Researchers have discovered a surge in radium-228 levels in the central Arctic Ocean, indicating large-scale changes along the coast. The team suspects that melting sea ice has stirred up sediments, releasing radium into the ocean, which could have significant impacts on Arctic food webs and animal populations.
PharmaMar initiates EMA re-examination process for Aplidin, a marine-derived anticancer agent targeting multiple myeloma. The re-examination procedure aims to confirm or update the negative opinion on its Marketing Authorization Application.
Engineers at Iowa State University have developed a new type of wearable sensor for plants, using graphene technology to measure water use in crops. The sensors are made by patterning and transferring graphene-based nanomaterials onto tape, allowing for precise measurements of transpiration from leaves.
Researchers found that people with Parkinson's disease had significantly lower caffeine levels in their blood, even if they consumed the same amount as those without the disease. The study suggests a simple test for early diagnosis could be developed using caffeine levels.
A team of scientists led by Guido Silvestri at the Yerkes National Primate Research Center has sequenced the sooty mangabey genome, revealing clues that may help people infected with HIV. The study found two key differences in proteins of the immune system that may contribute to the mangabeys' resistance to AIDS.
Researchers have identified several genes responsible for Alzheimer's disease, including those affecting brain structure and function. These findings provide insight into the biological mechanisms leading to AD, particularly in the pre-symptom stages, and may lead to new treatments.
Scientists have observed increasing fluxes of shelf-derived materials to the central Arctic Ocean, altering its composition and potentially harming biological productivity. The study provides an estimate of Arctic shelf flux and sheds light on understudied transport processes in the region.
Researchers at Duke University have developed a method to create hybrid thin-film materials that can absorb and emit light efficiently. The technique, called Resonant Infrared Matrix-Assisted Pulsed Laser Evaporation, allows for the creation of delicate organic-inorganic crystals with improved scalability and durability.
Researchers uncovered the secrets behind snapping shrimp's ability to break water, attributing it to millions of years of evolution and adaptation. The study reveals a series of small changes in claw form led to the development of ultrafast movements.
A new study published in Physics Today found that traditional introductory physics laboratory courses fail to enhance student learning due to lack of active engagement. Researchers designed innovative lab alternatives that encourage iterative experimentation and critical thinking.
Researchers discovered a new form of antibiotic resistance in pandemic cholera, where the enzyme AlmG modifies lipid A to prevent CAMPs from binding. This unique mechanism offers a new challenge for overcoming increasing antibiotic resistance.
Christine Cave's new method reveals that it was not uncommon for people to live to old age in traditional societies. The study found that the most common age of death was around 70, similar across cultures.
A new study published in Journal of Bone and Mineral Research found that more than 80% of bone loss in post-menopausal women is due to cortical bone, not trabecular. Cortical bone loss is likely to contribute to the occurrence of fractures in these women.
A new noninvasive approach to treat tinnitus has shown promising results in a double-blind study, alleviating symptoms in 20% of participants. The therapy involves alternating audio and somatosensory stimulation, delivered through headphones and mild pulses on the neck or cheek.
Tropical Storm Ava formed off northeastern Madagascar on Jan. 3, with NASA-NOAA's Suomi NPP satellite analyzing the storm in infrared light. The satellite provided data showing coldest cloud tops and strongest storms wrapped around the center of circulation.