A recent study by University of Freiburg researchers found that an individual's expectations and self-perception play a significant role in determining the level of strenuousness experienced during physical exercise. The study, which involved 78 test subjects, showed that those who believed they were more athletic or had faith in sport...
Researchers discovered that blocking a specific intestinal microbial pathway can prevent obesity, insulin resistance, and promote active fat tissue. High levels of TMAO are linked to Type 2 diabetes and cardiovascular disease.
A new study reveals that particle-induced cell death depends on multiple redundant cathepsins, which can be blocked by inhibiting or silencing these enzymes in macrophages. The researchers found that several key proinflammatory events induced by sterile particles are blocked, including cell death.
Researchers at York University found that beta blockers can reverse detrimental gene expression patterns in heart failure. The study suggests that this reversal may be protective against heart failure and could lead to new treatments.
Researchers have found that liver cells can eliminate excess bile from blocked ducts through a mechanism involving the internal structure of the cell, which allows bile to be packaged inside vesicles for transport. This discovery could potentially improve the prognosis for infants with rare liver disease.
A new study suggests that adhering to a Mediterranean diet with high levels of fish and fruit consumption can significantly reduce the risk of advanced colorectal polyps. The researchers found that even minimal consumption of two to three components of the diet was associated with half the odds of advanced polyps.
A new poll reveals that many older adults aren't getting help from doctors and pharmacists on drug costs, despite taking multiple prescriptions. Patients who spoke up about cost received recommendations for less expensive drugs, but there's a need for health professionals to engage with patients more routinely.
A longitudinal study found that overweight, high blood pressure, and low-density lipoprotein cholesterol in childhood are linked to decreased arterial distensibility in adolescence. The study suggests that primordial prevention of cardiovascular diseases should focus on children and young people.
Researchers from CAS developed noble metal-based heterogeneous electrocatalysts with enhanced catalytic activity and high selectivity for the methanol oxidation reaction (MOR) and oxygen reduction reaction (ORR). DMFCs operated well at high-concentration methanol, outperforming conventional strategies.
A UCSB political science professor suggests that public support for renewable energy is strong in the US, with states having abundant resources at the top of the list. However, public opinion can sometimes fail to translate into state legislation, and framing context and local benefits as key factors can increase support. A study found...
A four-year study by Rice ecologists found that strong environmental filters like predatory fish cause regular variations in dragonfly communities. The results show how these patterns can help predict biodiversity loss in specific habitats.
Most reproductive-age and pregnant women who use opioids for non-medical purposes also use at least one other substance, including nicotine, alcohol, or cocaine. This finding suggests that public health efforts addressing the opioid epidemic should include interventions targeting concurrent use of multiple substances among these women.
Researchers discovered that bumblebees use two distinct behaviors to collect pollen from flowers: scrabbling when pollen is abundant and sonication when it's scarce. By analyzing chemical and mechanical cues, the team found that bees switch between these motor regimes depending on their environment.
The International Union for Conservation of Nature (IUCN) reports that two-thirds of monitored World Heritage sites face threats from illegal fishing, logging, and poaching. IUCN calls for strengthened international cooperation to protect these unique ecosystems and species at risk.
Researchers at NIST have made the most precise determination yet of Planck's constant, a fundamental value that will help redefine the kilogram. The new measurement has an uncertainty of just 13 parts per billion, exceeding international requirements for redefining the unit.
A newly discovered ancient reptile from Switzerland shows its unique scale armor for the first time. The Eusaurosphargis dalsassoi has a life on land skeleton despite being found with fish and marine reptiles.
Researchers develop fully automated method to analyze neural networks trained on visual data, shedding light on node firing patterns and emphasis on different visual properties. The approach provides specific insights into the organization of human brain and computer vision algorithms.
Researchers at Wayne State University are investigating how genetic factors impact the benefits of exercise, using a fruit fly model to identify novel targets for therapeutic pharmaceuticals. The study aims to understand how exercise adaptations can be induced in patients who cannot perform regular physical activity.
Researchers at the University of Waterloo developed a new sensor technology that can measure tiny objects with high accuracy, potentially leading to breakthroughs in medical diagnosis and gas detection. The sensor uses electromagnetism to determine mass, reducing interference and enabling wireless transmission of results.
The Hubble Space Telescope has imaged a powerful Seyfert galaxy, 2XMM J143450.5+033843, emitting huge amounts of radiation due to its supermassive black hole. The galaxy is nearly 400 million light-years away and is one of the unlucky ones with a unique X-ray name.
A team at MIT has created a system that can manipulate particles ranging from molecules to bacteria-sized objects using ordinary light. The researchers engineered asymmetrical particles, called Janus particles, which respond to the orientation of the beam and create forces that set them spinning uniformly.
Astrophysicists from Moscow Institute of Physics and Technology discovered that hydrogen bromide could play an important part in the photochemistry of Venus' lower atmosphere. The study found low abundance of HBr, but thermodynamic calculations suggest it dominates at lower altitudes.
A team of scientists recreated turbulent magnetic field dynamics in a lab setting, mirroring the evolution of stars and plasma behavior. The study's findings have an uncanny resemblance to satellite data on the solar wind and magnetosheath.
Researchers from the University of Seville and Cabimer have identified a new element responsible for chromosome instability. Chromatin structure changes cause DNA breaks, leading to mutations and replication stress. The findings suggest that chromatin plays a key role in certain DNA mutations, particularly those controlled by RNA.
Astronauts are exposed to DNA damage due to zero gravity and cosmic radiation; an automated diagnostic procedure is being adapted for use in space, promising constant conditions for each sample. The device could also be used to evaluate the effects of radiotherapy.
Research found that genes responsible for differential RNA splicing contribute to tumor aggressiveness and drug resistance in African American men with prostate cancer. The study suggests these genetic variations lead to the production of protein isoforms that make tumors more aggressive, while also causing drug resistance.
Researchers identified significant gene mutations and differences in the upper digestive tract that could help develop tailored treatment options for cancer patients. The study found a set of frequently mutated genes in small bowel adenocarcinomas, which may affect therapy choice and targeting.
Researchers developed peptide-polymer conjugates to enhance water solubility of poorly soluble anti-Alzheimer drugs. The conjugates showed inhibitory activity against Tau protein aggregation, improving cell viability and reducing apoptosis in AD models.
A new system called NeuroCommTrainer is being developed to help people with unresponsive wakefulness syndrome communicate. The system uses electroencephalography (EEG) measurements to understand brain signals and enable patients to respond with a 'yes' or 'no'.
The University of Oklahoma has secured an $161 million NASA contract for a groundbreaking Earth science mission. The Geostationary Carbon Cycle Observatory (GeoCarb) will monitor plant health and vegetation stress across the Americas, as well as probe carbon dioxide and methane exchange processes in the atmosphere.
Researchers at Kanazawa University have successfully imaged the dynamics of nuclear pores in colon cancer cells, revealing a new 'nano dying code' that could lead to novel treatments. The study uses high-speed Atomic Force Microscopy (HS-AFM) to visualize the structure and dynamics of nuclear membrane pores at the nanoscale.
Researchers found that Japanese children's handwriting development involves distinct temporal patterns of movement, which differentiate subtle features of each symbol. This process is linked to an air writing phenomenon in Chinese character-based cultures, suggesting a unique approach to learning the hiragana script.
Bioarchaeology International is a new journal that aims to unify perspectives in the field of bioarchaeology by providing a space for peer-reviewed articles and encouraging global discussion. The journal will release its inaugural issue on June 30, 2017, and will focus on integrating material and biological evidence left behind in graves.
Researchers at Washington University School of Medicine have discovered clues to how respiratory syncytial virus (RSV) causes disease. The study reveals that a specific protein, NS1, interferes with the body's ability to fight off RSV, potentially leading to new targets for vaccine or treatment development.
Researchers discovered the role of TERRA in repairing critically short telomeres, which play a key role in determining cellular senescence. The study provides new insights into the regulation of cell senescence and survival in ageing and cancer.
Researchers developed a new method to tightly fix powder catalysts on electrode surfaces, addressing the challenge of high physical stress induced by gas evolving reactions. The technique involves applying an organic polymer that transforms into carbon at high temperatures, providing a stable and conductive surface for catalysis.
Researchers at Okinawa Institute of Science and Technology Graduate University developed a new printing method to create effective disease detection tools using microfluidic bioassay devices. The device is about the size of a postage stamp and can detect multiple biomarkers for complex diseases like cancer.
A rare fossil of Eusaurosphargis dalsassoi has revealed the animal's complete skeleton, providing a clear idea of its anatomy and probable lifestyle. The species is thought to have been adapted for life on land, contradicting earlier assumptions that it was aquatic.
Scientists discovered silver fir and Douglas fir are more tolerant to extreme droughts than Norway spruce in the Black Forest. Replacing spruce forests with mixed-species forests of these conifers could have a greater positive effect on biodiversity.
A global study reveals that tropical forests' unique self-suppression mechanism favors rare tree species, contributing to their diversity. In temperate forests, this effect is weaker, allowing common species to dominate.
Researchers developed a new AI-based denoising model to eliminate noise in computer-generated images, enabling production-quality rendering at faster speeds. The system was trained on millions of examples from the film Finding Dory and successfully removed noise on test images from different films.
A research group at National Institutes of Natural Sciences has developed a high-speed automatic search method for the migration path of impurity atoms in materials with polycrystalline structures, enabling the investigation of collective migration and its impact on plasma confinement. This method uses molecular dynamics and parallel c...
The University of Texas at Arlington has awarded three new seed grants for interdisciplinary research projects addressing skin cancer, rapid drug evaluation and mental health risks among homeless youth. The projects aim to develop innovative treatments and programs using cutting-edge technology.
A new study shows that liquid biopsies can provide more information than traditional tissue biopsies, helping doctors tailor care based on individual disease biology. The tests detected genetic mutations that made cancer resistant to treatment, allowing for better patient care.
Researchers at Princeton University developed a self-powered smart window system using transparent solar cells that selectively absorb near-UV light. The system reduces energy costs by up to 40% and can be applied to existing windows via lamination.
Researchers at USC found that stiff brain vessels and decreased blood flow are associated with the build-up of harmful plaque and cognitive decline. The study used patient data from the Alzheimer's Disease Neuroimaging Initiative to explore cerebrovascular resistance, a new way to calculate it, and its link to dementia.
A University of Queensland-led study highlights the urgent need for increased wilderness conservation in World Heritage Sites, which currently protect only 1.8% of global wilderness areas. The World Heritage Convention can play a crucial role in addressing this gap by recognizing and protecting these critical ecosystems.
Researchers found that water birds, particularly mallards, develop significant immunity and resistance to other variants of the low-pathogenic influenza A virus after infection. This means they can partially protect themselves against future infections, including virulent strains like H5N1 or H5N8.
Despite massive climate change and volcanic eruptions, larger fish were no more likely to go extinct than small fish during the Permian-Triassic mass extinction. The study used a detailed analysis of fossil records to conclude that body size played no role in determining which species survived or went extinct.
A recent study published in Infant and Child Development found that pre-schoolers learn twice as many words from storybooks with only one illustration at a time compared to those with two or more illustrations. Guiding children's attention to the correct page can also help them focus on new words.
A study reveals that tiger mosquitoes thrive in low-income urban areas of Baltimore due to vacant lots, abandoned buildings, and inadequate waste management. This research underscores the need for targeted mosquito control strategies and urban greening initiatives to mitigate environmental injustices and protect public health.
Comet 174P/Echeclus, part of the centaur population, exhibits unusual emission activity despite low temperatures, suggesting it may be more fragile than other comets. The study provides insights into comet composition and formation, potentially shedding light on the origins of life.
TGen is developing 'liquid biopsies' that can help clinicians accurately treat patients with high-risk breast cancer. These non-invasive blood tests could enable continuous monitoring of a patient's progress, reducing the need for surgery, chemotherapy, and radiation.
Scientists at Linköping University demonstrate a method to combine semiconductor and topological insulator materials, generating directional electric currents. This breakthrough enables efficient conversion of light energy to electricity, promising advancements in spintronics and opto-spintronics.
After 100 years of misidentification, researchers have confirmed the existence of Kadsura matsudae, a distinct East Asian vine species. The discovery was made by collaborating experts from Japan and Taiwan, who utilized molecular analysis to distinguish it from previously thought to be Kadsura japonica.
Researchers have found that significant amounts of black carbon can persist in both pristine and non-pristine areas of snow, impacting climate change predictions. The study used molecular analysis to track the origins of black carbon, finding evidence of wildfires burning thousands of miles away in remote areas.
Research suggests that dysfunctional microglia cells can induce neurodegeneration in Alzheimer's by increasing phagocytosis of β-amyloid peptides, leading to synapse loss. This study provides new insights into the role of microglia cells in neurodegenerative diseases.
Scientists at North Carolina State University have found that small variations in the bellwether gene can significantly affect male fruit fly lifespan, but not female lifespans. The study sheds light on sex-specific differences in lifespan and highlights the importance of metabolic genes.
Researchers describe for the first time the exact chain of events as the CRISPR complex loads target DNA and prepares it for cutting by the Cas3 enzyme. The study reveals a molecular redundancy that prevents unintended genomic damage, providing insights into ways to improve CRISPR-Cas systems for precision gene editing.
A minimally invasive approach to treating chronic pancreas disease resulted in fewer complications, shorter hospital stays, and less need for opioids. The procedure also showed promising results in reducing pain scores and opioid therapy needs.