A University of Guelph study discovered that muscle sympathetic nerve activity increases in over-trained athletes after overload training, hindering performance. In contrast, recreational triathletes and cyclists who followed a consistent training regime showed improved fitness and cardiovascular health.
A study by Sebastian Brackhane reveals that saltwater crocodile attacks in East Timor have increased since the species' recovery under conservation. The research suggests that juvenile crocodiles migrate from Australia to find new habitats, highlighting a growing human-crocodile conflict in the region.
A new platform enables quick discovery of molecules that recognize specific strains of bacteria, overcoming challenges in developing targeted antibiotics. The approach uses phage display with chemically enhanced peptides, resulting in potent and selective probes against two antibiotic-resistant bacterial pathogens.
Young-Jun Son and his students at the University of Arizona have received awards from the Institute of Industrial and Systems Engineers (IISE) for their research on disaster management and hand gesture task recognition. Their work aims to predict human behavior in social networks during emergencies and develop a simulation model to sup...
A new study found increased levels of estrogen in men with migraine, as well as symptoms of lower testosterone. Testosterone levels did increase before a migraine in some participants, and symptoms of relative testosterone deficiency were more frequent and severe in men with migraine.
Researchers at Nagoya University created a composite material that adjusts its appearance based on different types of light and backgrounds, mimicking the color-changing abilities of animals like chameleons. The material features dyes, crystals, and pigments that interact to produce vibrant displays.
Researchers successfully measured the optical excitation of atomic levels in nobelium isotopes using laser spectroscopy. The results confirm that nobelium nuclei are deformed like an American football, with a lower charge density in their center than at their surface.
Researchers studied Bacillus bacteria that produce highly resistant spores and found unique genes contributing to their resistance. The discovery sheds light on the challenges of eliminating microbes in clean rooms and spacecraft.
Researchers estimate that the Milky Way contains about 10 billion trillion trillion tonnes of greasy matter, equivalent to 40 trillion trillion trillion packs of butter. The discovery could have implications for understanding the origins of life in the universe.
University of Tsukuba researchers developed a method to balance catalyst activity and stability in acidic liquids using graphene coatings. The approach resulted in nanoparticles with high durability and similar catalytic activity to expensive platinum-based catalysts.
Researchers at Osaka University have successfully developed a new method for cancer diagnostics that uses single-molecule sequencing to investigate fluid dynamics of DNA molecules in solution. This method enables the detection of subtle differences in DNA sequences, allowing for more accurate diagnosis and treatment of cancer.
New research reveals granite crystallizes at 500 degrees Celsius, nearly 200 degrees lower than the prevailing accepted crystallization temperature. This finding impacts our understanding of molten rock at depth in the Earth's crust, influencing predictions for economically important ore deposits and active magmatic centers.
A new study from the University of Warwick blames macro-level factors for the double burden of malnutrition among adolescents in developing countries. The study found that factors including war, lack of democracy, food insecurity, urbanisation and economic growth are to blame.
Research into lncRNAs is demonstrating their importance in development and disease. LncRNAs are implicated in various biological processes, including transcription, dosage compensation, and messenger RNA degradation.
Physicists at the University of Bonn have succeeded in putting a superconducting gas into an exotic state that allows new insights into the properties of the Higgs particle. The experiments also reveal a way to switch superconductivity on and off very quickly, opening up new applications for superconductors.
A team of scientists from OIST discovered that crater rays form when small objects create shockwaves in the ground, focusing sand grains along radial streaks. They developed a theoretical model to predict ray patterns and even use it to estimate the diameter of lost meteorites.
Scientists developed a wireless tagging device that detects spoiled food using NFC labeling tags and smartphone signals. The sensor can detect biogenic amines, giving decomposing meat its bad odor, and transmits this information to nearby smartphones.
Researchers have pinpointed the geographic sectors that control the strength and edges of the Hadley circulation, a prominent atmospheric overturning circulation. The study found that mid-latitude eddies play a dominant role in the variability of Hadley circulation strength in certain regions.
Researchers have identified specific lipid species in the blood and liver that correlate with healthy or fatty liver states. These findings suggest that measuring individual lipid species may provide a more accurate diagnosis of metabolic diseases such as NAFLD, diabetes, obesity, and metabolic syndrome.
Scientists at Kanazawa University have identified six new compounds in the glossy red-fruited laurel shrub, featuring a unique nine-membered carbon cycle and lactone groups. The discovery opens up new avenues for research into the plant's potential biological activity.
Researchers at Ohio State University found a significant gap between what people report they're willing to spend and what they actually spend in experiments. Hypothetical bias can lead to inaccurate decision-making in fields like economics, environmental conservation, and business. Techniques like cheap talk, certainty follow-up, and c...
A study from the University of Vermont found that mandatory labeling in Vermont improved consumer attitudes toward genetically modified food, with opposition falling by 19%. The simple disclosure reduced fear and increased transparency, allowing consumers to make informed decisions.
Researchers at UT Austin designed a new nerve gas detector combining chemical sensors and photography, identifying different nerve agents through color and brightness variations. The device is portable, inexpensive, and adjustable, providing critical information for first responders and scientists in the field.
A newly discovered wasp species, Dolichogenidea xenomorph, has a parasitic lifecycle similar to the Alien movie franchise monster. The wasp injects eggs into live caterpillars and eats them from the inside out.
Researchers have developed genetically humanized mice that can be persistently infected with Hepatitis Delta Virus (HDV), a common cause of liver fibrosis and cancer. The mice were able to rid themselves of the virus before showing any liver damage, making them an ideal model for testing new treatments.
Engineers used microscopic friction measurements to confirm that rocks can dissolve under certain conditions, causing faults to slip. The study found that brine-calcite interactions can induce dissolution and decrease frictional strength at the single-asperity scale.
Research from the University of Minnesota found that small classes close the gap between men and women' academic performance. Smaller classes do not impact underrepresented minorities' performance regardless of class size. The study suggests other education environment factors affect learning beyond class size.
The NIH has awarded a $2 million grant to Ken Oestreich at the Virginia Tech Carilion Research Institute to study immunological memory. The research aims to understand how immune cells form and transition into memory cells, which can recognize and respond to pathogens more efficiently.
The study found that solar irradiance strengthens the Siberian high and low-level East Asian winter circulation, resulting in lower surface air temperatures in East Asia. This mechanism helps explain the variability of the East Asian winter monsoon at decadal and longer time scales.
The NHS's founding principle of providing care based on need received 23% of the votes, ahead of limiting commercial influence and general practice. The results reflect the public's high value on a non-profit healthcare system.
A large Canadian study published in CMAJ found that trauma to both mother and baby during vaginal deliveries, especially forceps deliveries, has increased. The rate of severe perineal tearing accounted for 87% of the cases of obstetric trauma among operative vaginal deliveries.
A new study by UCL researchers found that artificially lengthening the time it takes to hear an impact can make people update their perceived body height, leading them to feel taller. The findings could have implications for rehabilitation and treatment of conditions like Parkinson's Disease.
A study has revealed that heterochromatin Protein 1a (HP1a) is crucial for the repression of transposons in germline cells, protecting the genome from instability and infertility. The piRNA pathway plays a vital role in silencing transposons, and HP1a's function in this process was previously unknown.
Jessica Irving and her team developed a new model, EPOC, that fits the data better than existing models, providing information about the material properties of the outer core. The outer core is crucial for understanding the history of the magnetic field and providing heat to the mantle.
An international team of researchers has identified the electrical activity specific to the start of migraines and demonstrated a way to stop it in animal experiments. They found that spreading depolarization, seen in migraines, can be stopped with an opposite direction of electrical current used to turn off seizures.
A high level of fitness in midlife is associated with a lower risk of depression after age 65 and a lower risk of cardiovascular death, including after a diagnosis of depression. Longitudinal studies can inform health care professionals about the importance of considering fitness as part of overall preventive care.
A new approach called prehabilitation, combining exercise training, education, and social support, may reduce postoperative complications and hospital length of stay in vulnerable older adults. Two Canadian randomized controlled trials are underway to evaluate the effectiveness of this intervention.
Researchers discovered a brain circuit necessary for unlearning fear in rats. Dopamine activity is crucial for fear extinction, but its specific role varies depending on the brain region involved.
A new type of personalized machine learning helps robots accurately assess children's engagement and interest during autism therapy, with a correlation score of 60% compared to human experts. This technology aims to augment human therapists with key information to personalize therapy content and create more engaging interactions.
Researchers at the University of Washington found that measuring beak size can accurately determine the sex of Galapagos penguins, a simple and fast method for field studies. This knowledge will help scientists study the impact of climate change on this endangered species.
Researchers found that specialized buildings regularly featured in the world's earliest agricultural villages, providing a focal point for everyday activities and facilitating social interaction among community members. The study suggests that these architectural features helped shape human interaction during a period of significant so...
A study reveals that refrigeration suppresses protein activity crucial for banana aromas, leading to potential flavor and fragrance enhancements. Scientists found that chilling bananas slows ripening and alters their off-flavor, suggesting a regulatory process involving MabZIP4 and MabZIP5 TFs.
Researchers at Case Western Reserve University and other universities have discovered two new species of extinct hoofed mammals known as litopterns from a site in Bolivia. The animals, dating back to the late Miocene epoch, provide insights into South America's rich diversity of living mammals.
A recent study published in The BMJ found that patients with a recorded penicillin allergy are at an increased risk of developing MRSA and C difficile infections. The risk is largely due to the use of broad-spectrum antibiotics as alternatives to penicillin, which may be fueling the development of drug-resistant bacteria.
A new study found that consuming walnuts may reduce the risk of developing type 2 diabetes by half compared to non-consumers. The research, based on data from over 34,000 American adults, also suggests a link between walnut consumption and lower blood pressure, cholesterol, and triglycerides.
Researchers at the University of Konstanz are analyzing denial-of-service attacks to understand their influence on politics and international attention. The study aims to map global patterns of cyberattacks, evaluate their relationship with traditional forms of contention, and identify consequences for protest dynamics.
Researchers at CU Anschutz Medical Campus found little association between suicide and hypoxia, contradicting longstanding theories. Social isolation and access to firearms were identified as significant contributors to high-altitude suicide rates.
A team of Swiss researchers used THz spectroscopy to measure the surprisingly slow response of solvating water after changing the charge distribution of a dissolved dye molecule. The study found a timescale around 10 picoseconds, which is slower than expected for liquid water.
A new family of enzymes has been discovered that can convert plant waste into high-value products such as nylon and bioplastics. The research also offers additional environmental benefits by creating products from lignin, a previously waste material.
A new study challenges the long-held assumption that plant-eating mammals' diets can be determined by analyzing carbon isotopes in fossil teeth. The researchers found that the value of these isotope analyses changes with body size, leading to a more accurate understanding of extinct species and ecosystems.
Researchers at Michigan Technological University studied acetone degradation during advanced oxidation water treatment to understand the formation of chemical byproducts. They found over 200 reactions involved in acetone degradations, highlighting the need for models to predict byproduct production from other chemicals.
Researchers at the University of Helsinki have developed a new method to purify nuclear waste water using electrospun sodium titanate, which speeds up the process and reduces radioactive waste. The method is based on selective ion exchange and has been shown to work like commercially produced materials.
Research from King's College London and Brunel University London found that standing in meetings can be difficult due to social pressure, with participants feeling awkward about breaking rules. However, some reported increased engagement and motivation when standing, and suggested ways for employers to encourage active meetings.
Research shows that illegal lynx hunting is a major factor in declining populations in the Šumava national park, with mortality rates increasing from 3-4% to 15-20% between 1998-2014. The study suggests that stopping hunting and preserving habitats are crucial to maintaining the population.
A fossil of a banana-eating bird ancestor was found in North America, dating back 52 million years. The discovery suggests these birds once thrived outside the tropics, with long legs indicating they may have been ground-dwelling.
The Society of Nuclear Medicine and Molecular Imaging (SNMMI) announced the selection of 14 new Fellows, recognizing their excellence in volunteer service, scientific discovery, and clinical practice. The SNMMI Fellowship is one of the most prestigious formal recognitions available to long-time members.
Researchers found improved quality of life and reduced tumor spread in patients treated with LuPSMA therapy. PSMA PET imaging demonstrated exceptional responses, correlating with significant reductions in PSA levels.
A study published in PLOS Biology found that mice can stimulate local growth while suppressing overall growth, enabling damaged tissues to recover and achieve symmetrical adult form. The placenta plays a crucial role in regulating overall growth rate and body proportions during development.
The National Institute on Minority Health and Health Disparities (NIMHD) has selected recipients for its 2018 William G. Coleman Jr., Ph.D., Minority Health and Health Disparities Research Innovation Award, supporting innovative research in minority health disparities. The awarded projects focus on key determinants of health inequities...
A team of researchers has developed a mouse model of myotonic dystrophy type 1, revealing multiple mechanisms beyond alternative splicing. The study found a clear association between specific signaling pathways and muscle loss, as well as the upregulation of protein AMPK-alpha and the reduction of PDGFR-beta signaling activity.