Researchers found that manipulating the circadian clock's timing signal can restore reproductive function in older female mice. This approach may have implications for human fertility and suggest the importance of 'circadian hygiene' to prevent reproductive difficulties.
Researchers used anonymous mobile phone records for 15 million people in Kenya to track the spread of rubella, predicting seasonal disease patterns. The study shows that cellphone movement can be a predictor of infectious-disease spread, particularly among children during school breaks.
The Institute for Disaster and Emergency Preparedness at NSU's College of Osteopathic Medicine developed Project SEAMIST, a safety training program for the marine industry. The program provided training to nearly 3,000 workers and is now receiving $4.3M in funding.
Researchers found that patients with acute cardiogenic shock who received extracorporeal life support had better cardiac recovery rates compared to those with chronic conditions. The study showed a 59% survival rate for patients in the acute group, while only 14% survived in the chronic group.
The study found that school breaks in Mexico were linked to two distinct waves of H1N1 influenza, with high humidity favoring rapid transmission in tropical states. The timing of these waves was influenced by regional variations in humidity and the reduction in transmission during summer break.
A recent study published in Journal of Palliative Medicine found variations in hospice use patterns between states, highlighting the need for improved end-of-life care. Researchers identified differences in the timing and duration of hospice enrollment, which could mask issues requiring attention.
A team at the University of Warsaw has developed a femtosecond laser that generates ultrashort pulses even under extreme conditions. The device uses an optical fiber to generate pulses with minimal sensitivity to external factors, making it highly dependable and suitable for industrial applications.
Tropical Storm Danny formed in the central Atlantic on August 18 with a strong El Nino influence, leading to potential hurricane formation. The GPM satellite analyzed Danny's rainfall structure, revealing an asymmetric rain band with high rain rates.
A pilot study found ramelteon increased total sleep time and improved cognition in individuals with traumatic brain injury. The medication, a melatonin-agonist, was well-tolerated and showed significant improvement in executive functioning and reaction time after three weeks of treatment.
A new technique mimics photosynthesis by harnessing the power of catalysts, light, and sacrificial molecules to boost hydrogen production efficiency. By solving the bottleneck of converting visible light into energy, researchers create a sustainable method for producing hydrogen fuels.
A study using the Delphi Method assessed the bioweapons threat and potential misuse of scientific research by querying 59 experts. The results show significant disagreement among authorities, with differing opinions based on factors such as age and expertise.
CloudSat's cloud profiling radar captured the sloping nature of Super Typhoon Atsani's eyewall, revealing heavy rainfall and powerful thunderstorms. The satellite also detected deep convective cloud tops northwest and southeast of the eye, with winds extending over 60 nautical miles from the center.
A study of over 100,000 women with ductal carcinoma in situ (DCIS) found that the 20-year breast cancer-specific death rate was 3.3 percent, higher for women under 35 and black women compared to non-Hispanic white women. Preventing ipsilateral invasive recurrence did not reduce mortality from breast cancer, according to researchers.
A study by Penn State researchers found that climate change will reduce the availability of cold water habitats for wild brook trout, leading to fewer angling opportunities. The study projected a significant increase in driving distances for trout fishermen due to warming waters.
A new study reveals that middle-aged drivers use their cellphones regularly while driving, even with children present, and feel pressured to answer work calls. The researchers found that interventions targeting companies can train employees to reduce distracted driving.
A study by University of Toronto researchers found that high levels of emotional exhaustion due to workplace anxiety can directly impact job performance. The quality of relationships between employees, supervisors, and co-workers plays a crucial role in mitigating the negative effects of workplace anxiety.
Rice University researchers develop a new method to clean contaminated soil at oil spills, reducing energy consumption and enhancing soil fertility. The process uses pyrolysis to heat the soil in the absence of oxygen, removing toxic pollutants and retaining beneficial carbon.
Researchers in California found that melting snow can produce highly variable results in underground water levels. The study used a network of moisture sensors to measure soil moisture and relate it to snow depth, finding that different sensor locations and tree cover conditions led to varying wetting and drying dynamics.
Researchers discovered that lentiviruses closely related to HIV have infected primates in Africa as far back as 16 million years. The TRIM5 protein, an antiviral gene, has evolved to protect host cells from infection and provides insight into the evolution of viruses.
NASA-NOAA's Suomi NPP Satellite captured a visible image of Typhoon Goni on August 20, showing powerful thunderstorms spiraling around its eye. The storm was centered near the northeastern Philippines and had maximum sustained winds of 115 knots.
A special issue of Science explores the impact of human-induced environmental changes on forests worldwide. The reviews highlight pressing issues such as forest fires, drought, and extinction, emphasizing the need for sustainable management practices, genetic engineering, and collaborative research.
Researchers at Stanford University School of Medicine discovered a new gene variant in the Khoe-San population that reduces the risk of pre-eclampsia and leads to larger, healthier babies. The mutation alters the binding of immune cells to placental cells, resulting in better blood supply to the developing embryo.
The world's boreal forests are under pressure from global warming, with rising temperatures and changing conditions threatening their resilience and productivity. The forests play a crucial role in the Earth's climate system, but may switch from being carbon sinks to sources of greenhouse gas emissions if not managed adaptively.
A new model presents a common mathematical structure underlying food-web interactions, allowing ecologists to view all species' connections using a single language. The model reveals previously unobserved similarities between different ecological reactions and has profound implications for infectious diseases, fisheries, and conservation.
The hippocampus is involved in quick and successful conflict resolution, enabling the brain to make rapid decisions. This finding suggests that the memory system may learn from resolved conflicts, leading to improved performance.
Bacteria can become highly resistant to antibiotics when exposed to their environment in the body, not just in lab tests. The study suggests incorporating animal models and biochemical environments into antibiotic development to improve accuracy.
A brief period of postnatal visual deprivation rewires the brain's visual processing areas, even after normal vision is restored. This crossmodal competition highlights the role of early experience in shaping brain function.
Researchers at TSRI found that Staphylococcus aureus develops resistance to arylomycin by switching on a previously uncharacterized set of genes, bypassing the essential protein Type I signal peptidase. This discovery highlights the built-in redundancies that help bacteria survive in many environments.
Researchers discovered that genetic variation impacts multiple, separated gene regulatory elements simultaneously, revealing a harmonized and synergistic behavior. This study sheds light on fundamental aspects of genome biology and its role in complex diseases such as cancer and diabetes.
A new wound closure technique has been shown to significantly reduce complication rates in patients with non-idiopathic scoliosis undergoing spinal fusion surgery. The multilayered flap closure method eliminates 'dead space' and creates a better barrier, resulting in a 0% complication rate in patients who received the novel technique.
Researchers have identified a protein called sigma54 that controls bacterial defenses, including the production of resistant outer coats and defensive structures. Understanding how sigma54 works could lead to the development of new compounds that can kill bacteria, providing a potential solution to antibiotic resistance.
The American Gastroenterological Association (AGA) has proposed an alternate pathway to recertification that focuses on active, adaptive, self-directed learning modules. This approach aims to enhance patient care by making the recertification process more individualized and competency-based.
Physicists suggest detecting dark matter through radiation signals created by particle collisions, increasing chances of detection in underground detectors and specific areas in space. The current satellite-based experiments may have been searching for the wrong signals.
Study finds that certain IgG3 and IgG4 donor-specific HLA antibodies correlate with distinct patterns of antibody-mediated injury to transplanted organs. Patients with mostly IgG3 antibodies have a higher likelihood of organ rejection soon after transplantation, while those with mostly IgG4 antibodies experience delayed rejection.
Experts claim number of people with dementia in some Western European countries is stabilizing. The findings suggest a decrease in prevalence and incidence of dementia across specific age groups.
Researchers found that bacteria in different lung regions evolved distinct traits, including antibiotic resistance and virulence, affecting patient health. The study suggests that understanding this bacterial diversity could lead to new treatments for chronic infections.
A new study suggests that women and men in the military have similar rates of developing posttraumatic stress disorder (PTSD) after combat. The study found that 6.7% of women and 6.1% of men developed PTSD, with no significant differences in severity.
A new study reveals that humans prey on adult species at rates up to 14 times higher than other predators, leading to widespread extinction and restructuring of food webs. This behavior alters observable traits in prey populations and transforms ecological interactions.
Researchers from the University of Basel's Biozentrum have discovered a mechanism by which FIC proteins send bacteria into a state of dormancy, protecting them from antibiotics. This discovery sheds light on the evolutionary origins of pathogens and their tools, offering new avenues for understanding bacterial evolution.
Researchers at UC Berkeley conducted an experiment to detect dark energy particles called 'chameleons,' which were proposed as a possible explanation for the mysterious energy. The results narrowed the search by a thousand times compared to previous tests, ruling out certain energies and eliminating a large range of possible particles.
The 2015 Atlantic season's first hurricane, Danny, was detected by NASA as it intensified into a tropical cyclone. The storm is moving west-northwest at 12 mph with sustained winds of near 75 mph.
SLU researchers suggest approach to fight common virus in immunosuppressed patients by targeting Type 1 interferon pathway. The study found that disrupting the STAT2 gene in Syrian hamsters resulted in 100-1,000 times more virus replication compared to wild-type control animals.
Doctors at Ohio State University Wexner Medical Center have successfully implanted lab-grown cartilage into a patient's knee, offering a potential long-term solution for patients with knee injuries. The implant is made from the patient's own cells and has shown promise in improving patient outcomes.
A Norwegian study of nearly 1,000 children found that time spent in daycare had little impact on aggressive behavior. The longer children stayed in non-parental care, the smaller the effects became.
Researchers found altered mitochondrial DNA in pre-diabetic individuals with insulin resistance, who had lower amounts of mitochondrial DNA and higher methylation levels. This discovery may help prevent Type II diabetes by identifying a biomarker for early intervention.
A University of Washington-led study found that maltreated adolescents can modulate their emotional responses when taught strategies for controlling them. The researchers observed increased brain activity in regions involved in emotion control among the maltreated group, suggesting a promising ability to regulate emotions with training.
Researchers predict a 50-76% decrease in Medicaid payments for antipsychotic medicines by 2016 and 2019, respectively. Generic versions of these medications will become more widely available, leading to substantial financial savings.
A team led by Carnegie Mellon University physicists has discovered the structure of PTEN, a key tumor-suppressing protein. The findings reveal how PTEN regulates cell growth and suppresses tumor formation through dimerization, providing new insights into cancer development and potential therapeutics.
A study by Rhode Island Hospital researchers found that few US hospitals comply with CDC recommendations for preventing infections associated with arterial catheters. The survey of 1,265 critical care clinicians revealed a significant deviation from clinical guidelines regarding the insertion of these catheters.
Researchers at UC Berkeley created an implant containing stem cells that form functional brown-fat-like tissue, reducing weight gain and lowering blood glucose levels in mice. The study's results suggest the technique could lead to new therapeutic approaches for metabolic disorders.
A study by Swiss researchers evaluated the therapeutic potential of human fetal progenitor tenocytes (hFPTs) for tendon regeneration. The research found that hFPTs can stimulate adult tenocytes and potentially accelerate healing, with the possibility of reducing scarring.
Researchers at the University of Adelaide have discovered that grape waste can be converted into a competitive biofuel, producing up to 270 litres of ethanol per tonne of grape marc. The process involves fermentation and pre-treatment with acid and enzymes, which increases yields to 400 litres per tonne.
Research suggests that restoring native grasslands on the Tibetan Plateau could cool the air through increased evapotranspiration, weakening global warming. The study's findings indicate a positive impact on both regional and global climates.
A UCLA physicist tested dark energy theories by mimicking the vacuum of space using cold atoms. The study found no difference in the acceleration of cesium atoms when changing the location of a dense object, providing insight into how chameleon fields interact with normal matter.
Researchers have developed an electrospray technique to improve Langmuir-Blodgett assembly, reducing the need for toxic organic solvents and increasing efficiency. This approach enables the creation of well-dispersed nanoparticle monolayers with precise control over packing density.
A new study has found that breast milk can build up toxic chemicals in infants by 20-30% each month, increasing their risk of immune system dysfunction and other health problems. The study followed 81 children born in the Faroe Islands between 1997-2000 and found higher levels of these chemicals in exclusively breastfed infants.
Actin filaments exhibit complex behaviors, including self-organization and active motion. New research reveals that molecular motors play a crucial role in forming strong bends and enabling collective motions.
Researchers in China have developed tiny nanocrystals that can specifically target and identify cancer cells, potentially leading to earlier diagnosis and treatment. The nanocrystals, made from heavy metals lanthanum and europium, can be used as 'staining' agents to highlight diseased cells under a microscope.
Researchers from the University of Surrey found that eating while walking triggers more overeating compared to other forms of distraction. Dieters who eat 'on the go' may increase their food intake later in the day, leading to weight gain and obesity.
Academic researchers found that teams with small, incremental improvements performed better than those with big changes, especially when regulatory environments were changing. Small, marginal improvements gained efficiency without disturbing the whole system. The study suggests that sometimes, going slow can be beneficial for business.