A recent study published in PLOS ONE suggests that the bacteria that causes plague, Y. pestis, may have persisted in Europe for over 300 years, including during the 'Black Death' pandemic. The researchers analyzed ancient DNA from 30 plague victims and found evidence of long-term persistence in a yet unknown reservoir host.
Scientists at Potsdam Institute for Climate Impact Research found a unique relationship between summer insolation and atmospheric CO2 that explains past eight ice ages. Moderate human interference with the planet's natural carbon balance can postpone the next glacial inception by up to 100,000 years.
Research reveals that public service broadcasting enhances knowledge of government, trust in others, and positive civic attitudes. Watching public channels fosters broad public attitudes and behavior underpinning democratic politics.
A new method using mass spectrometry measures hundreds of proteins in a single blood sample, enabling researchers to determine the severity of sepsis and which organs are damaged. This technique provides an understanding of molecular events during the course of a disease, with potential applications for studying other diseases.
A University of Washington study found that Seattle's urban crops can only feed between 1 and 4 percent of the city's population, even with extensive backyard and public green spaces converted to farming. To meet the nutritional needs of an adult vegetarian diet, it would require a 58-mile expansion around the city.
Researchers at VA Puget Sound Health Care System and University of Washington find chronic changes in neuron activity in specific brain regions with repeated blasts. Chronic brain damage can lead to emotional difficulties such as mood problems, irritability, and impulsivity in veterans.
Scientists at Rice University and Montreal Polytechnic designed computer simulations to investigate the electromagnetic properties of graphene-boron nitride hybrids. The researchers found that these hybrid materials exhibit both electronic and magnetic properties, which could be useful in spintronic and nano-transistor applications.
The National Hurricane Center has been monitoring System 90L, a low-pressure center producing winds of over 52 knots (60 mph) and heavy rainfall rates up to 94 mm/h. The system's strongest winds were observed southwest and southeast of the low pressure center.
A Georgia State University researcher is investigating how the adaptive immune system can control intestinal bacteria to prevent inflammation in the gut. The project aims to identify a way to activate the mucosal immune system to reduce levels of bacteria with high potential to promote inflammation.
A study suggests that reducing perception of effort during exercise with caffeine can help people stick to their fitness plans. Researchers found that the majority of people give up on exercising within six months due to lack of motivation and physical exertion, which is a natural response to conserve energy. The use of psychoactive dr...
A team of scientists has found that compact dwarf galaxies, like the green pea galaxy J0925+1403, could explain cosmic reionization by ejecting ionizing photons into the intergalactic medium. This discovery opens a new avenue for understanding the early universe's 14 billion-year history.
A new study reveals that individuals with borderline personality disorder exhibit enhanced amygdala activity and reduced dorsolateral prefrontal cortex function when processing negative emotions, suggesting a lack of control over emotional responses. This findings support the concept of BPD as a disorder of emotion dysregulation.
The NHS Health Check programme effectively identifies people at risk of cardiovascular incidents and helps diagnose conditions like type 2 diabetes, high blood pressure, and chronic kidney disease. The study found that the programme prevented 2,500 cases from treatment following the check over its first five years.
A Louisiana Tech University senior has co-authored a paper on using halloysite clay nanotubes to create an antimicrobial coating that could help fight superbugs. The research was published in the prestigious journal Biomacromolecules, highlighting the potential for natural materials in biomedical technology.
The new law allows OSHA to increase fines by 80% due to inflation, making maximum charges $12,600 for serious violations. The Departments of Justice and Labor are coupling worker safety with criminal penalties, including environmental and fraud charges.
Researchers found that Brazilian torrent frogs employ a complex repertoire of acoustic and visual displays for communication, including hand, arm, and body movements. The study indicates that this frog species has one of the most diverse repertoires of visual and audio displays known to frogs.
Researchers at Karolinska Institutet have discovered a new role for motor neurons in influencing rhythmic movements. Motor neurons directly control the recruitment of upstream excitatory interneurons via gap junctions, indicating they are not passive recipients of signals from interneuronal circuits.
The Philadelphia Pediatric Medical Device Consortium awards $50,000 seed grants to Actuated Medical and ENTvantage Diagnostics to improve bone biopsies and diagnose sinus infections in children. This funding aims to reduce pain and unnecessary antibiotic prescriptions.
The study reveals that Grey Parrot populations have declined by 90-99% since 1992, threatening their survival. Habitat loss and poaching are major drivers of this catastrophic decline, highlighting the urgent need for conservation efforts.
Expectant mothers treated at trauma centers experience better outcomes than those treated at non-trauma hospitals, with a 40% lower risk of preterm labor. The study also found decreased odds of premature birth, low birth weight, and meconium at delivery among neonates.
A study by Phyllis Moen and Erin L. Kelly found that workers who participated in a pilot work flexibility program reported higher levels of job satisfaction, reduced burnout, and psychological stress. The research adds to the growing body of evidence showing that flexible work arrangements result in happier, healthier, and more product...
Changes in childhood cancer treatment and follow-up care have reduced deaths from late effects and extended lives of long-term survivors. Better screening guidelines and reduced radiation therapy have contributed to the decline in deaths.
McGill researchers have taken 3D images of a large section from a medicine-synthesizing enzyme in action. The images reveal the intricate way these proteins function and could lead to the development of new antibiotics. This breakthrough may bring scientists closer to understanding how many antibiotics are made.
New research from Indiana University finds that companies with a differentiation strategy benefit more from advertising than those with a cost leadership approach. Advertising increases awareness and sales for differentiated firms, building brand equity and shareholder value. In contrast, cost leaders may not see an impact on their sto...
Two experts debate the impact of alcohol abstinence campaigns like Dry January, with one arguing they may have unintended consequences for heavy drinkers. On the other hand, another expert suggests that such campaigns can help people reflect on their drinking habits and make longer-term changes.
A new screening technique has been developed to predict which ash tree seedlings are likely to survive the fungal pathogen Hymenoscyphus fraxineus. This technology could help maintain the UK's ash population and biodiversity by identifying non-disease-susceptible individuals before planting out.
Researchers discovered that discontinuous gas-exchange cycles in ground beetles minimize tracheal system infestation by pathogens. This finding sheds light on the insects' evolutionary success and potential defense mechanisms.
Researchers found that mice and humans produce microRNAs to control bacterial gene activity and shape the gut microbiome. These microRNAs can protect against intestinal diseases by regulating the composition of gut microbes.
Researchers have evaluated the potential of ancient grains in modern agriculture, finding that they require reduced fertilization to prevent lodging. While they contain high amounts of protein, the quality is lower than in modern crops. However, these grains can enrich biodiversity and offer premium products through traditional methods.
Researchers at Princeton University create a method to selectively radiolabel compounds with tritium atoms, allowing for the study of drug metabolism and potential development speedup. The technique uses an iron-based catalyst that can tolerate various solvents, enabling the tracking of drug breakdown in the body.
A recent study reveals that animal-borne diseases can persist in wider populations through repeated dispersal, leading to slower but more insidious transmission. This 'slow, smoldering' approach challenges traditional assumptions about disease outbreaks.
Researchers have discovered that lasers can improve the penetration of antibiotic treatments into citrus leaves, potentially offering a new approach to treating the deadly citrus greening disease. The method uses laser etching to create microscopic indentations in the leaf tissue, allowing for more effective delivery of substances.
A longitudinal study found that exposure to violence in childhood is linked to increased symptoms of conduct disorder and antisocial personality in adolescence and adulthood. The MAOA gene was also identified as a key moderator of this relationship, with certain variants increasing the risk of aggressive behavior and partner violence.
A study by IRCM researchers has discovered a mechanism that controls the production of neurons from stem cells. This discovery could lead to more effective cell therapies and targeted treatments against cancer, particularly in diseases causing blindness where specific retinal cells degenerate.
A Swedish-Ugandan study has shown that sterilized mosquito nets can replace costly surgical meshes in inguinal hernia repairs without compromising patient safety or treatment efficacy. The study involved over 300 adult males from rural Uganda and found no significant differences between groups.
A researcher from Iowa State University found that social justice education initiatives often overlook the experiences of privileged students. Katy Swalwell's study reveals that affluent students may not be disturbed by what they're learning about injustice, instead focusing on how to use their privilege to make a difference.
NASA analyzed data from GPM core observatory and Suomi NPP satellite, discovering the hurricane had an eye forming with heavy rain falling at 84.5 mm per hour on its eastern side. The storm's convective storms reached heights of over 12 km, while its strongest feeder band wrapped around its eastern side.
A new study led by University at Buffalo researcher Jill Kramer aims to re-examine the role of IgM in Sjögren's syndrome. The research seeks to understand whether this protective antibody is also pathogenic, potentially leading to a better understanding of autoimmune diseases.
Volatile organic compounds protect plants from stress, attract insects for pollination and seed dispersal, and send warning signs to neighbor plants and animals. Plant VOC emissions contribute significantly to the atmosphere, emitting approximately 600 million tons of carbon annually.
A study published in The Lancet Neurology found that people with Parkinson's who took the oral drug rivastigmine were 45% less likely to fall and steadier when walking. This breakthrough treatment has the potential to improve quality of life for millions worldwide.
A new study found that the Loop Current plays a crucial role in sustaining Florida red tide blooms. The researchers discovered that when the Loop Current is in a northern position, it allows a bloom to continue under favorable conditions, but a southern position prevents it from being sustained.
Tropical Cyclone Ula reached category four status with winds of 115 knots, but weakened to 50 knots by Jan. 12. NASA's GPM measured heavy rain falling at over 63.5 mm/h near the storm's eye.
Liver cancer experts say following international guidelines is costing lives in Peru due to a lack of tailored treatment. The study suggests that using local knowledge and data can lead to better management of the disease in developing countries.
Microbots are controlled using individual magnetic fields from an array of tiny planar coils, allowing for independent movement and cooperative manipulation tasks. This technology aims to enhance manufacturing and biomedical research applications.
A study validated kidney failure risk equations developed in a Canadian population across 30 countries, showing accurate predictions for patients with chronic kidney disease. The recalibrated equations improved calibration in non-North American cohorts, enabling clinicians to inform treatment decisions and patient communication.
Researchers from KIT and CYNORA directly measured the speed of intersystem crossing in a copper complex, improving the understanding of TADF mechanisms. This leads to enhanced energy efficiency in organic light-emitting diodes (OLEDs), with potential applications in display technology.
A study found that frozen fecal transplantation (FMT) was noninferior to fresh FMT in treating recurrent or refractory C. difficile infections, indicating its potential as a reasonable treatment option. The use of frozen FMT offered advantages such as reduced cost and increased availability.
The Scripps Research Institute scientists will use click chemistry to discover novel drug candidates, aiming for more selective and potent medicines. The research may lead to improved therapeutics and PET protocols for children with neurodevelopmental disorders.
A recent study published in the Journal of Neuroscience found that songbirds' vocal muscles can change their function to produce different sound parameters, similar to a trained opera singer. The research, led by Samuel Sober, shows that the bird's brain directs complex changes in muscle combinations to create complex songs.
A new study by Boston University School of Public Health researchers found that geographic location significantly affects the quality grades assigned to Medicare Advantage insurance plans. The study suggests that accounting for geographic differences is essential to allow for fairer comparisons among plans.
A new study found a significant racial disparity in premature births among black women, which may explain much of the racial disparity in infant mortality. The study suggests that public health efforts should focus on access to prenatal care and preventive measures for high-risk black women.
A University of Gothenburg study found that separation risks are higher among co-habitating partners and those with low education levels. The researchers offer five relationship tips: clear communication, sensuality in daily life, time together, affirmation, and seeking help when needed.
The UW is establishing a Digital Financial Services Research Group to investigate and overcome technological barriers to widespread adoption of mobile financial services. The team plans to prototype different technologies and develop a demonstration lab to test new ideas.
Scientists at Gladstone Institutes discovered a novel regulator of body weight: the P75 neurotrophin receptor. Lowering levels of p75 NTR protected mice from developing obesity, diabetes, and fatty liver disease on a high-fat diet. The receptor plays a key role in regulating metabolic processes that control body weight.
A meta-analysis found that 23% of bariatric surgery candidates have a current mood disorder, with depression being the most common condition. Bariatric surgery is associated with postoperative decreases in depression prevalence and severity, but not necessarily eating disorders or anxiety.
Researchers have revealed the unique spring-like structure of E. coli pili, which allows it to withstand strong urine flow and infect the urinary tract. This discovery may lead to the development of new treatments for UTIs.
Historians Ian Calder and Jan Till believe Shackleton may have had an atrial septal defect, a congenital heart condition commonly known as a 'hole in the heart'. Shackleton exhibited symptoms of breathlessness and weakness during expeditions, which experts now attribute to this condition.
New smart gas sensing pills reveal how low & high-fibre diets affect gut health, offering clues for treating gut disorders. The research found that low-fibre diets produce more hydrogen gas in the small intestine and high-fibre diets produce more methane gas in the large intestine.
A recent study published in the journal Surgery found that outpatient thyroid surgery is safe for even the elderly and super-elderly, thanks to a standardized treatment approach. The study showed that while older patients have more comorbid conditions, complication rates held steady at 5-6 percent across all groups.
A new study discourages a sweeping transformation of conventional education to replace traditional curricula with game-based instruction. Instead, researchers recommend adding promising features to games, such as explanatory feedback and pregame activities, to enhance learning outcomes. Game features that improve student performance in...