Physicists at JILA have successfully cooled a gas of hydroxyl radicals to extremely low temperatures using evaporative cooling. The process enables precise control over molecular energies and interactions, paving the way for advances in ultracold chemistry and quantum simulators.
The American Mathematical Society has awarded prizes to prominent mathematicians for their significant contributions to dynamical systems, ergodic theory, model theory, algebra, geometry, and applied mathematics. Notable recipients include Yakov Sinai, John Guckenheimer, Philip Holmes, and Andrew Majda.
A study by the University of Colorado Anschutz Medical Campus suggests that a healthy lifestyle during menopause, including diet and exercise, can lower breast cancer risk. In obese postmenopausal women, excess calories fuel tumor growth, but in lean counterparts, they are stored in healthy tissues.
Researchers from Aalto University have successfully combined virus particles, protein cages, and nanoparticles to create novel crystalline materials with tunable properties. These biohybrid superlattices exhibit enhanced optical, magnetic, electronic, and catalytic features.
Researchers describe how feedback mechanism works by identifying where signals go and which neurons receive them. The study reveals that higher brain regions communicate with lower parts of the brain on a near-constant basis, helping to interpret olfactory information.
A bioartificial liver machine has been scaled up and tested in a large animal model, providing temporary support for liver regeneration. The system uses encapsulated human-derived liver cells grown in a bioreactor and can be transported to a patient's bedside within 48 hours.
A new study by Joshua Hart reveals that men's anxious attachment style and conflicted views on relationships may lead them to adopt sexist attitudes towards women. Anxiously attached men tend to be ambivalent sexists, exhibiting both hostile and benevolent sexism, while avoidantly attached men typically endorse hostile sexism.
Researchers discovered a new species of mosasaur that lived about 84 million years ago in freshwater river environments. The largest specimens reached up to 20 feet in length and had unique characteristics such as limbs like a terrestrial lizard, a flattened skull, and a tail unlike other known members.
Researchers found that non-spouse caregivers are less likely to participate in Alzheimer's clinical trials, citing higher dropout rates and adverse events. The study highlights the need for tailored recruitment efforts to increase enrollment of patients with diverse caregiver arrangements.
Researchers tracked humpback whales in Antarctic waters and found that they sang while foraging, suggesting a previously unknown behavioral flexibility. The study suggests that the widely held behavioral dichotomy of breeding-versus-feeding may be too simplistic.
Researchers from Aarhus University used advanced bio-imaging techniques to discover that geckos shed their tails along pre-formed score lines. This process is independent of protein-cleaving enzymes and involves microstructures at the ends of muscle fibers, facilitating a quick getaway for these lizards.
A public web-based healthy eating and weight loss program found that participants who made consistent changes lost an average of 2 pounds per month. The study also showed that finding initial tips that are relevant and doable for individuals can lead to gradual weight loss and healthier habits.
A recent study published in Marine Ecology Progress Series has found that fish, terrapins, and birds play a crucial role in dispersing eelgrass seeds into new areas. The research suggests that animals can disperse seeds up to 10 miles, rivaling the distances achieved by physical mechanisms.
Researchers have shown that transplanted neural stem cells slow ALS onset and progression, improving motor function and survival time. The study also found that these cells promote the production of protective molecules and reduce inflammation.
The human hand's unique shape may have evolved to stabilize the fist and produce a compact club for use in combat, according to a new study. The researchers found that the tightly packed human fist provides internal support to the digits, protecting them from damage during combat.
A new study by LSUHSC researchers has found that the ability of a protein called FUS to bind to RNA is essential to the development of Amyotrophic Lateral Sclerosis (ALS). By mutating FUS and blocking its RNA binding, the team was able to suppress ALS-related neurodegeneration in fruit fly models.
Women with premenstrual dysphoric disorder (PMDD) have altered body rhythms of the hormone melatonin, which may explain sleep disruptions. The study found decreased melatonin levels during night-time hours and symptomatic luteal phase, highlighting potential targets for treatment.
Researchers have discovered a key link between inflammation and Alzheimer's disease progression. The study suggests that drugs targeting IL-1 beta production may provide benefits for patients with Alzheimer's. The findings point to the possibility of developing new treatments by disrupting the production of this pro-inflammatory cytokine.
Scientists at the University of Bonn have identified a new signaling pathway involved in chronic inflammation, which contributes to nerve cell malfunctions and death. By deactivating key genes, they observed reduced inflammation, memory loss, and beta-amyloid peptide deposition in genetically modified mice.
Researchers discovered that basal cells initiate repair and serve as progenitor cells after chlorine gas exposure, helping restore new tissue in the airways. Understanding this process can aid in developing treatments to prevent scarring and asthma-like breathing problems.
Tau Ceti, the closest single star to our Sun, has been found to have a planetary system with five planets. The estimated masses range from two to six times that of Earth, making it the lowest-mass planetary system yet detected.
Researchers estimate that 80,000 never events occurred in American hospitals between 1990 and 2010, including leaving foreign objects inside patients. The study highlights the need for better patient safety procedures and public reporting of mistakes to prevent these errors from happening.
Researchers found that therizinosaurs had well-developed sensory abilities, including smell, hearing, and balance, which may have affected their behavior as herbivores. The study used high-resolution CT scanning and 3D computer visualization to analyze the brain and inner ear anatomy of a 90-million-year-old therizinosaur fossil.
Research suggests that bacteria in the gut may control host appetites by influencing signaling pathways. The gut microbiota respond to nutrients and hormones, generating compounds that affect appetite and mood disorders. Further studies are needed to determine if gut bacteria directly influence food choice.
Researchers report on the therapeutic potential of microRNAs in cancer therapy and their role as potential biomarkers for early cancer detection. The stability of miRNAs in body fluids makes them suitable for non-invasive malignancy detection methods, offering exciting opportunities for revolutionizing diagnostics and screening.
A University of British Columbia study found that dominance and prestige, not likability, are crucial for gaining leadership. The researchers used eye-tracking technology to measure attention, revealing that people prefer dominant leaders over those with high social skills.
A team of ecologists has developed a method to calculate how much CO2 deciduous trees soak up using seasonal changes in forest colour captured in digital photographs. The results showed that digital cameras can be an important aid in monitoring forests and tracking climate change effects.
Two studies examine pediatric traumatic brain injuries in China, finding that falls, strikes, and traffic collisions are the leading external causes. Suspected child abuse accounts for approximately six percent of TBIs among children under two years old, a significant finding with implications for global injury research.
Researchers have successfully transferred the nucleus of a healthy egg cell into an egg cell with mutant mitochondrial DNA, effectively eliminating the disease-causing genetic material. The technique has significant implications for preventing mitochondrial disorders, which affect approximately 1 in 10,000 people worldwide.
People with asthma are at a higher risk of developing pulmonary embolism, with severe cases nearly 9 times more common than in the general population. Mild-moderate asthma increases the risk by 3.5 times, highlighting the importance of increased awareness and prevention among doctors
A new textbook provides clinical guidelines for treating tobacco addiction, shifting attitudes among health professionals towards viewing smoking as an addiction. The book aims to increase the success rate of quitting smoking among Canadians.
Researchers used the MPG/ESO 2.2-metre telescope and Hubble Space Telescope to study 21 globular clusters, finding that a few were young with blue stragglers distributed throughout, while others were old with the stars clumped in the centre. This reveals big differences in the speed of evolution from cluster to cluster.
The study reveals a two-finger switch-off mechanism for Rab proteins, which control transport operations between different areas of a cell. This mechanism accelerates GTP cleavage over five orders of magnitude and has potential applications in developing small molecules to switch off mutated GTPases involved in tumour formation.
A clinical trial of a gene therapy cocktail has shown promising results in treating Canavan disease, a rare and fatal neurodegenerative disorder. The treatment uses an adeno-associated virus to deliver a replacement ASPA gene to the brain, reducing NAA levels and improving symptoms.
A new study by the American Academy of Neurology reveals that people without a spouse are underrepresented in Alzheimer's disease clinical trials. The study found that participants with adult child partners were more likely to be from diverse backgrounds, while those with spouse partners were more likely to be white and older.
A University of Utah study suggests human hands evolved not only for manual dexterity but also for making fists and fighting. The research found that human fists provide a performance advantage in punching, with increased force delivery and protection for delicate hand bones during combat. This evolution may have been driven by selecti...
Research suggests that experiencing rejection due to discrimination can lead to an increase in risk-taking behavior, anger, and vigilance. Participants who were rejected by partners of a different race showed increased cardiac output, lower vascular resistance, and more anger compared to those rejected by same-race partners.
A Danish study published in Clinical Infectious Diseases found that HIV patients who smoke lose more years of life to smoking than to HIV infection. Researchers estimated the effect of smoking on mortality and life expectancy among nearly 3,000 HIV-infected patients treated in Denmark from 1995 to 2010.
Researchers found that pigs in southern China were infected with three strains of avian influenza viruses, including H3, H4, H5, and H6 subtypes. The study suggests that pigs can serve as mixing vessels for genetic reassortment that could lead to pandemics.
Researchers found that mealworm farms produce more edible protein than traditional animal farms for chicken, pork, beef, or milk, using less land and similar amounts of energy. Mealworms also produce less greenhouse gas emissions than other animals grown for meat.
Assistant mechanical engineering professor Halel Ardebili has received a $400,000 NSF CAREER award to study the fundamental science behind flexible, stretchable batteries. Her research aims to develop battery components with optimal stability and performance for various applications.
A new selective target in muscle regeneration has been identified by researchers at the Bellvitge Biomedical Research Institute. The association of alpha-enolase protein and plasmin plays a crucial role in regulating immune cell attraction and formation of new muscle tissue from stem cells.
Using metamaterials, researchers at the University of Pennsylvania have developed a theory for creating materials where electrons have nearly zero effective mass. This concept could lead to faster circuits with unique properties. The team's idea was inspired by the similarities between electromagnetic waves and quantum mechanics, and t...
Researchers at Johns Hopkins Medicine have identified a protein crucial for neuron organization in the developing retina, shedding light on how the eye detects light. Additionally, scientists found that a genetic defect can cause a 'traffic jam' in cellular materials within motor neurons, leading to progressive paralysis and death.
North Carolina State University researchers developed conductive wires with a liquid metal alloy core, increasing stretchability by orders of magnitude. The new wires have potential applications in electronic textiles, headphones, and phone chargers.
A large European trial confirms that commonly prescribed antibiotics are ineffective for treating acute uncomplicated respiratory infections. Patients given amoxicillin did not recover much quicker or have significantly fewer symptoms, and the treatment appeared to have a limited effect even in older patients.
Research finds that ozone pollution, even at low levels, significantly reduces agricultural worker productivity by 5.5%. The study's results challenge the common perception of environmental protection as a tax on producers.
A Stanford study identifies proteins in the blood that can accurately detect lymphedema, offering hope for early diagnosis and treatment. The biomarker panel shows high accuracy in distinguishing patients with lymphedema from healthy individuals.
Research published in BMC Pediatrics found that repeated infections early in life increases the risk of developing celiac disease. The study revealed a significant association between early-life infections and celiac disease, highlighting the importance of breastfeeding in reducing this risk.
Researchers at Georgia State University have developed a new process for creating a one-time, universal influenza vaccine using recombinant genetic engineering technology. This breakthrough aims to prevent the need for annual updates and shortages of flu vaccines.
A recent study published in Food & Function journal found that consuming fresh Hass avocado with a burger meal can neutralize inflammation and reduce the risk of cardiovascular disease. The study, conducted by researchers at UCLA, also suggests that avocados may help mitigate negative effects on blood flow after eating a burger.
A systematic review of TB interventions in low-and-middle income countries found limited real-world evidence to support their effectiveness and financial value. The authors identified substantial gaps in published evidence for scale-up of these interventions, which may prevent program-wide implementation.
During Hurricane Sandy, internet outages in the US nearly doubled to 0.43%, affecting New Jersey and New York most significantly. The USC study provides valuable insights into disaster preparedness, informing how ISPs allocate resources to restore access after a disaster.
Recent review reveals palm trees have living cells sustained throughout their lifetime, potentially holding the key to longevity and understanding cellular structure in plants. Palm trunks consist of individual cells living for centuries, unlike most long-lived trees with dead woody tissues.
A study by neurologists at Henry Ford Hospital found that brain surgery for refractory localization-related epilepsy can lead to significant long-term benefits, with 73% achieving favorable seizure outcomes and 28% experiencing seizure freedom. The researchers tracked 470 patients over 15 years after surgery.
A new study highlights the importance of considering immediate health risks when weighing benefits and potential future radiation-induced cancer risks. The researchers found that for patients with testicular cancer undergoing CT surveillance, the near-term risk of death from the condition was more significant than lifetime cancer risk.
A study published in PLOS Medicine found that global infertility rates have remained steady since 1990, with 1.9% of women aged 20 unable to conceive and 10.5% of those who previously gave birth unable to have another child. The levels of infertility varied by region, with higher rates in North Africa and the Middle East.
A small stroke, known as a silent stroke, can cause Parkinson's disease by killing dopaminergic neurons in the substantia nigra. The study found inflammation and brain damage following the stroke, leading to neurodegeneration and potential onset of Parkinson's disease.
The collaboration aims to improve vapor phase upgrading during the biomass pyrolysis process, enabling the production of lignocellulose-based fuels at a competitive cost. The partnership seeks to develop catalytic materials that can convert biomass vapors into liquid fuels suitable for transportation.
Scientists tracked the origins of HIV and discovered potential genetic resistance in West African human populations. The study found overlaps between selection signatures and protective genes against HIV-1, which may have evolved to counteract the virus.