A study by economists Scott Carrell and James West found that experienced professors better prepare students for future academic success. However, students' teaching evaluations often reflect short-term gains rather than long-term knowledge retention.
The Nottingham Respiratory BRU Clinical Trials Unit will offer clinical services to NHS patients with respiratory disease while recruiting volunteers for studies on new treatments. The unit aims to develop new drugs and therapies to help people manage their illness, including a study using a diabetes tablet for mild asthma.
Researchers from the University of Illinois at Chicago have discovered a cellular response that breaks down and inhibits excess scar tissue in wound healing. Fibroblasts recruited to the wound site enter a state of reproductive dormancy called senescence, which accelerates collagen breakdown and limits scar tissue formation.
Researchers found Botox significantly reduced short-term pain in TOS patients after a single low-dose injection. The treatment avoids surgery's drawbacks and offers a non-invasive alternative.
A new study has identified multiple rare genes involved in regulating central nervous system processes, shedding light on the genetic causes of autism spectrum disorders. The research may lead to innovative treatments and a better understanding of the disorder.
Researchers at the University of Granada identified different effects of nervous disposition and anxious moments on attention processes. The study found that high trait anxiety values resulted in deficient attentional performance, while high state anxiety led to overfunctioning of alerting and orienting networks.
A new theory suggests that iron oxides in Martian soil decompose organic molecules through photocatalysis, converting them to carbon dioxide and methane. This process may explain the absence of organic compounds on the planet's surface, requiring deeper drilling to find preserved organics.
A team of researchers, led by Christine Williams, received the Best Research Paper award for their study on state-wide interagency collaboration initiatives. The research explores differences among state public safety programs, with a focus on Public Safety Networks in the United States.
Researchers have developed a one-step process to create nanowires and tune electronic properties of reduced graphene oxide, turning it into a conducting material. This breakthrough could lead to faster and more power-efficient electronics.
Researchers discovered sharks can detect small delays in odor detection to navigate, using bilateral detection to orient towards the strongest scent. This finding refutes previous theories on scent trail following and may lead to improved underwater robots for chemical leak detection.
The study found that nearly 97.5% of Scotland's adults are at risk for multiple health problems, with low education and socio-economic circumstances being key drivers. The prevalence of these risk factors is particularly high in the most deprived communities, highlighting the need for targeted interventions.
A three-month videoconferencing program with family members significantly enriched the lives of nursing home residents, who felt more connected and less anxious. The participants enjoyed seeing relatives, being part of family life, and feeling more informed about their loved ones' lives.
A mathematical model reveals that division of labor can occur through the evolution of developmental plasticity, requiring strong genetic relatedness and fitness trade-offs. The model suggests a straightforward path for division of labor and may be applied to various complex evolutionary processes.
Mutations in the presenilin 1 gene disrupt cellular protein-recycling, killing nerve cells and leading to neuronal loss. Alternative pathways can be targeted for therapies aimed at repairing toxic protein elimination mechanisms.
Assistant Professor Zahra Hazari aims to empower students toward long-term learning in physics by identifying personally meaningful learning experiences. She will develop lesson plans connecting physics to real-world contexts to counter stereotypes and attract more students to physics careers.
Researchers at Cornell University have developed a method to precisely study electron interactions using single-molecule devices. By controlling the spin of cobalt-based molecules, they observed how it affects electron flow and interaction with surrounding conduction electrons.
Researchers found that manipulating fungal genetics increases rice growth by five-fold, addressing global phosphate reserves critically low issues. The breakthrough exploits the fungus's genetic variation and segregation processes without introducing new genes.
Researchers found that cholinesterase inhibitors improved executive function, visual attention, and simulated driving task performance in patients with mild Alzheimer's disease. The study suggests that these medications may help improve driving abilities in AD patients.
Researchers at the University of Sheffield have developed a novel gene transfer system that can restore SMN protein levels and alleviate symptoms in SMA model mice. The new technique has the potential to develop a simple injection therapy without surgical interventions, offering significant implications for future SMA treatment.
A new animal study published in Current Topics in Nutraceutical Research suggests that eating pecans daily may help protect the nervous system and delay motor neuron degeneration. The study found that vitamin E in pecans provides significant antioxidant benefits, which can fight diseases like Alzheimer's and Parkinson's.
Researchers at Harvard University reveal a two-step process that creates a ring of smaller bubbles when a large bubble bursts. The curved nature of the bubble plays a critical role in this phenomenon, which has been observed in various environments and materials.
Researchers have identified new autism susceptibility genes, including SHANK2 and SYNGAP1, which may lead to earlier diagnosis and better treatments. The study found that these genes are involved in synapse-related pathways and cellular proliferation, providing insights into possible common pathological mechanisms.
A new approach to applying nanostructure coatings has been discovered, achieving heat transfer four times faster than uncoated surfaces. The technology has potential applications in high-tech devices and conventional heating and cooling industries.
A team of researchers at Johns Hopkins University School of Medicine has shown that treating injured rat spinal cords with the enzyme sialidase improves nerve regrowth, motor recovery, and nervous system function. The treatment also showed improvements in blood pressure control and increased number of sprouted nerve ends.
A team of researchers from the University of Illinois Chicago has identified new autism susceptibility genes, including SHANK2, SYNGAP1 and DLGAP2, through an international collaboration with Autism Speaks. These findings suggest that multiple rare variants or genetic changes may contribute to the development of autism.
A mutation in the TRPA1 gene has been identified as the cause of familial episodic pain syndrome (FEPS), a rare inherited pain disorder. The research proposes potential treatment options using pharmacological compounds that inhibit the mutant channel.
A new demonstration facility for decentralized wastewater management has been opened in Jordan, developed by German-Jordanian researchers. The site aims to adapt decentralized wastewater treatment technologies to the arid local conditions and increase recycled wastewater volume by over fourfold by 2022.
Researchers at the University of Toronto found that liberals tend to prioritize compassion and equality, while conservatives prioritize order and social norms. This study contributes to understanding the deeper motivations behind political behavior and suggests that both types of motivation are necessary for a functioning society.
A study published in Hepatology found that fewer than 20% of patients with cirrhosis and hepatocellular carcinoma received regular surveillance. Despite high-risk patients being recommended for HCC surveillance, population-based studies indicate only 11% are diagnosed early enough to receive potentially curative treatments.
Researchers at the University of California, San Diego School of Medicine found that removing three key inhibitory molecules from myelin did not significantly improve axon regeneration in damaged spinal cords. The study suggests that successful regeneration will require a combination of many approaches and techniques.
A genome-wide association study found three genetic variants significantly associated with vitamin D concentrations and risk of insufficiency. Participants with certain genotypes were at two-and-a-half times increased risk of having low vitamin D levels, highlighting the importance of genetic factors in regulating vitamin D status.
Researchers at Mount Sinai School of Medicine have differentiated human stem cells into heart cells with cardiomyopathy. The study provides a foundation for developing drug therapies to stop or slow the disease.
A study by the European Society of Human Reproduction and Embryology found that IVF children generate significant fiscal implications for governments, with a discounted net tax revenue of approximately €127,000. This represents an 8-fold return on investment for governments.
A new study led by Dr. Zena Quezado found that propofol has a low occurrence of adverse events and no long-term complications when used to sedate children for imaging studies. However, the risk increases with anesthesia duration and in children with systemic disease or airway abnormalities.
The Human Microbiome Project has launched a centralized database for sequencing microbial genomes, providing a unique resource for future investigations. The HMP has cataloged over 1,400 individual human microbiome projects, enabling researchers to study the interactions between human and microbial cells.
Researchers found that certain 'multitasking' neurons in monkeys' brains are best at making correct identifications in both car and animal categories. This ability to 'multitask' allows the brain to re-utilize neurons for different tasks, potentially leading to a better understanding of disorders like autism and schizophrenia.
A perfectly preserved shoe, 1,000 years older than the Great Pyramid of Giza and 400 years older than Stonehenge, has been found in a cave in Armenia. The 5,500-year-old cow-hide shoe dates back to ~3,500 BC and was made from a single piece of leather.
A recent study published in the New England Journal of Medicine found that most physicians and American Medical Association (AMA) members opposed the AMA's position on coverage expansions. The survey of 5,157 physicians revealed only 12.5% supported the AMA's views, with notable disparities based on specialty, income, and demographics.
The study reveals how HIV protein Tat interacts with the human protein P-TEFb, altering its shape. This knowledge may lead to the design of inhibitors that target P-TEFb only when it is interacting with Tat, potentially reducing viral replication without harming normal cell function.
Professor Michael Graetzel receives Millennium Technology Prize for his groundbreaking work on dye-sensitized solar cells, a cost-effective and versatile form of solar energy. The award recognizes his contributions to developing this technology and unlocking safer, more efficient batteries and carbon-free energy storage.
A study by the American Academy of Sleep Medicine found that earlier school start times are associated with increased teenage car crash rates. Teen drivers who started school at 7:20 a.m. in Virginia Beach had 41% higher crash rates than those who started at 8:40 a.m. in Chesapeake.
Scientists discovered a fungus that produces oils suitable for biodiesel production, providing an alternative to edible oilseed plants. The fungus-based biodiesel meets commercial specifications and can be scaled for commercial production.
Researchers found that an online self-management tool significantly improved asthma symptoms in those with partly controlled or uncontrolled asthma. The system, which allows patients to measure lung function and receive personalized advice, led to a 80% participation rate in the first three months.
Research suggests that MLB pitchers who are 'morning types' tend to perform better in early games and have an advantage over evening types. The study analyzed the statistics of 18 pitchers from five teams and found a correlation between sleep preference and pitching performance.
Kansas State University's Center for Information and Systems Assurance has been recognized as a National Center of Academic Excellence in Information Assurance Research. The designation recognizes the university's expertise in cybersecurity and secure software system construction, with research focusing on improving software quality th...
NIST researchers use a chemical trick to change the acidity of a solution instantly, allowing them to study how nanoparticles behave when exposed to sudden changes in pH. This technique has implications for designing nanoparticles for medical applications, where pH can vary significantly within cells.
A new study by MIT researchers has identified two distinct brain circuits involved in habitual learning. The dorsolateral and dorsomedial striatal circuits show different patterns of activity as rats learn to navigate a maze, with the dorsolateral circuit becoming more active with repetition and the dorsomedial circuit playing a key ro...
A 25-year study found that intrauterine devices significantly reduced repeat abortions among young women. The researchers suggest that healthcare providers should increase the use of long-acting contraceptive methods like IUDs as an effective alternative to the pill.
A University of Pittsburgh study reveals significant regional variations in Medicare drug spending, with some areas paying out double the amount spent by others. The research also shows that increased spending on prescription drugs does not lead to reduced spending on other medical services.
A genome-wide study has identified four common gene variants associated with blood levels of vitamin D and an increased risk of vitamin D deficiency. Individuals inheriting multiple risk-associated variants had more than twice the risk of vitamin D deficiency as those without these variants.
Chinese and German scientists have discovered a new species of Large Blue butterfly in the south of China. The species, named Phengaris xiushani, was described in an open access journal and is the first known species of its family to be found in mountain forests.
Researchers studying two isolated Pacific atolls find diverse marine life populations in response to different fishing pressures. At Palmyra, a protected US wildlife refuge, high densities of sharks and large fish are found, while Tabuaeran, inhabited by 2,500 people, hosts lower fish populations due to artisanal fishing.
A new study by University of Toronto researchers finds that people who engage in creative work activities experience excessive job pressures, feel overwhelmed, and receive work-related contact outside of normal hours. This leads to more conflict between work and family roles, affecting functioning at home.
A study of 46,000 patients found that the age- and sex-adjusted incidence of heart attack increased from 274 per 100,000 in 1999 to 208 per 100,000 in 2008, then declined. The relative incidence of serious heart attacks that do permanent damage also decreased by 62%.
Researchers identify four new autism susceptibility genes, including SHANK2 and SYNGAP1, which may lead to the development of new treatments. The study also found that individuals with autism tend to carry more genetic mutations than controls.
Continuous positive airway pressure therapy helps restore memory consolidation in adults with obstructive sleep apnea, suggesting that CPAP is effective at recouping memory abilities impaired by OSA. Participants treated with CPAP outperformed untreated OSA patients on an overnight picture memory consolidation task.
A new study found that coffee consumption can prevent high-blood sugar development and improve insulin sensitivity in laboratory mice. Caffeine is believed to be the primary ingredient responsible for this effect.
Engineers at Purdue University, MIT, and Rice University have discovered the mechanism behind bead formation in fluids containing polymers. They found that fluid inertia, viscosity, relaxation time, and capillary time play crucial roles in controlling bead formation.
Researchers have discovered a new parasite, Edwardsiella, living on the American comb jellyfish that causes skin irritation in humans. The parasite's larvae may be problematic for Swedish sea bathers during late summer beach season.
A new study found a connection between La Niña-like sea surface temperatures in the central Pacific and droughts in western Europe and the American West. The cooler Pacific Ocean led to arid conditions, contributing to the departure of the Anastazi people.