A study on ADHD used fMRI scans to examine the striatum, a reward center in the brain. Children with ADHD showed less activity in anticipation of a reward, making it harder for them to focus.
Scientists have developed a way to delete and replace out-of-place atoms in silicon chips, correcting communication pathways and enabling the creation of perfect patterns. This breakthrough allows for the production of ultra-low power atomic circuitry at room temperature, revolutionizing the field of electronics.
The new Index measures five social and economic indicators reflecting the status and wellbeing of older persons, tracking national sources for 30 countries. The top-ranked countries for healthy aging are Norway, Sweden, US, Netherlands, and Japan.
Patients who undergo bariatric surgery are more likely to achieve a BMI of less than 30 if they have a preoperative BMI of less than 40. However, delaying surgery until higher weights can result in inferior outcomes.
Analysis of caves in Israel reveals they formed through dissolution by rising groundwater, originating from highlands and deep faults. The findings have implications for understanding far-field groundwater systems and the possible circulation of fluids, dating back to the Oligocene-early Miocene periods.
A team at Harvard's Wyss Institute has created genetically encodable RNA nano-devices that can perform an unprecedented 12-input logic operation, enabling cells to analyze complex environments efficiently. These programmable devices may enable the construction of more sophisticated synthetic biological circuits.
Researchers at UCI have developed a stem cell-based method that selectively targets and kills cancerous tissue while preventing side effects. By identifying unique physical properties of cancer cells, the treatment enables targeted therapy, reducing harm to healthy tissue.
Researchers found that plant architectures mimic subway networks by balancing competing objectives of cost and performance. By analyzing 3D scans of growing plants, the team identified a universal design principle guiding plant growth, which could help increase crop yields or breed plants better adapted to climate change.
A new study reveals that the Atlantic and Pacific ocean temperatures play a significant role in droughts and wildfires in southwestern North America. The research shows that the large-scale difference between the two oceans enhances the risk for drought and wildfire in the region.
Researchers at Albert Einstein College of Medicine found that adult neural stem cells in the hypothalamus govern how fast aging occurs in the body. By replenishing these stem cells or the molecules they produce, it's possible to slow and even reverse various aspects of aging throughout the body.
Fine Instrument Technology developed a low-field NMR device, SpecFIT, that performs chemical and physical analyses of fruit, grains, olive oil, milk, and meat. The device uses signal fade duration to measure sugar content, fat content, moisture, tenderness, flavor, and succulence.
The temperature of Chamber A steadily dropped from Houston's heat, reaching 20 kelvins (-424°F/-253°C), while the Webb telescope's instruments transferred heat to surrounding liquids and gases.
NASA's Suomi NPP satellite captured a visible light image of hurricane Irwin on July 25, showing an elongated band of thunderstorms around its circulation. By July 26, the cloud pattern had significantly deteriorated, with Irwin consisting of a tight circulation center surrounded by deep convection.
A study by EPFL scientists found that schizophrenia patients do not have a disturbed sense of body ownership. The study used the Full-Body Illusion test and showed that patients performed similarly to healthy controls, indicating that their sense of body ownership is unaffected by the disorder.
The University of Arizona researchers will investigate NHE8's role in gastrointestinal diseases, including IBD and colon cancer. They aim to understand how this protein affects goblet cell function, gut microbiome balance, and epithelial cell proliferation.
Researchers found that third-person self-talk can lead people to think about themselves more similarly to how they think about others, gaining psychological distance from their experiences. This can be useful for regulating emotions, with the brain activity showing decreased emotional reactivity when using the third person.
A Berlin study of patients with early-stage colon cancer has found that the MACC1 gene and DNA repair mechanisms can help determine prognosis and predict response to chemotherapy. Patients with low MACC1 levels and proficient mismatch repair status have a higher five-year survival rate.
A new study found that trees can increase wind speed by a factor of two when removed, making it more challenging for pedestrians to walk. Trees also reduced the impact of wind pressure on buildings, particularly through small gaps, and contributed to a more comfortable environment.
As more adults are diagnosed with cystic fibrosis, radiologists must monitor the disease's complex and heterogeneous spectrum. The condition affects approximately 70,000 people worldwide, with up to 7% of cases diagnosed in adulthood, often with subtle manifestations.
The Penn Center for Precision Medicine has awarded $565,000 in funding to eight research teams for their personalized medicine projects. The projects aim to improve treatment outcomes for various diseases, including idiopathic multicentric Castleman disease and hepatocellular carcinoma.
The UK's withdrawal from Euratom may threaten the supply of essential medical isotopes, used in some cancer treatments and medical imaging. Professor Martin McKee warns that this could put patients at risk if supplies are interrupted.
The University of Rochester has been awarded $19 million from NCATS to coordinate a network of over 50 institutions nationwide, aiming to accelerate research into health benefits. The grant will support 20 new personnel and expand the university's existing efforts in biomedical research.
Research finds that breast-specific sensuality is better with lumpectomy, correlating with improved sexual function post-operatively. Women with breast cancer report decreased sensuality regardless of surgical modality, but lumpectomy has the best reported outcomes.
Research published in The BMJ found that a cross-government strategy reduced health inequalities in England, but current policies are potentially reversing these gains due to austerity measures.
A recent study reveals that innate lymphoid cells (ILCs) compete with T cells for a shared source of interleukin-7 (IL-7), a protein essential for their survival. This competition sheds light on the complex phenomenon of homeostasis, which supports the long-term survival of immune cells.
Experts argue that working 24-hour shifts may not negatively impact patient care, but can lead to burnout. The medical profession must address the issue of sleep deprivation and its effects on doctors' wellbeing and patient safety.
Scientists at UAlberta and McGill University have discovered a direct link between calcium and cholesterol, finding that a lack of calcium can hide cholesterol from the cell's machinery. This discovery could pave the way for new treatments for high blood cholesterol and heart disease.
A robotic training method improves posture and walking in children with crouch gait by strengthening extensor muscles, particularly the soleus, against a downward pull. The device enhances muscle coordination, resulting in improved walking features such as step length and toe clearance.
Researchers at Kumamoto University developed a photothermal ablation system to enhance transdermal delivery of protein-based drugs. The system, using gold nanorods and near-infrared light, increased skin permeability and successfully delivered proteins in both in vitro and in vivo experiments.
A computational design tool developed by Disney Research enables the creation of compliant mechanisms through flexibility, offering potential advantages in industry. The tool optimizes device performance while ensuring robustness and reducing strains.
A new study by the Uniformed Services University of the Health Sciences found that U.S. Army soldiers who attempt suicide are more likely to do so again if their unit has a history of similar attempts. The study's results suggest that early postvention efforts can help prevent future suicide attempts.
Research from the University of Missouri found that claypan farmers need to apply less potassium and more phosphorus than generally recommended due to the soil's unique characteristics. This can help reduce nutrient losses and improve crop growth.
Experts argue that stopping antibiotics sooner is a safe and effective way to reduce antibiotic overuse, contradicting the long-held 'complete the course' message.
Researchers at Binghamton University developed a DNA coating that absorbs UV light more effectively the longer it's exposed. The film also keeps skin hydrated, slowing water evaporation and promoting faster wound healing rates in extreme environments.
The study documents Belize's first integrated coastal management plan, which balances development and conservation objectives. The plan was developed through a community-driven process involving scientists and stakeholders to protect ecosystems that provide long-term benefits to people and their economy.
A South African child diagnosed with HIV at 32 days old has maintained undetectable viral levels and good health despite ART cessation at age 9.5 years, suggesting early treatment may be key to long-term remission.
Researchers at Osaka University have developed a new method for building complex organic molecules by selectively transforming strong carbon-fluorine bonds. This breakthrough enhances the control over chemical reactions, enabling more synthetic freedom for constructing intricate carbon structures.
The Damon Runyon Cancer Research Foundation has awarded four young pediatric cancer researchers with nearly $1 million in funding. The award supports innovative research into prevention, diagnosis, and treatment of one or more pediatric cancers.
A team of scientists is pooling their expertise to develop fast diagnostic tests and alternative treatments for infection, aiming to address the growing problem of antimicrobial resistance. The University of Edinburgh's new research facility will bring together dozens of researchers worldwide to tackle this major health challenge.
Researchers developed a new, non-invasive method called transcranial magnetic stimulation (TMS) to distinguish between Alzheimer's disease and frontotemporal dementia. The technique accurately diagnosed the conditions with 90% accuracy in most cases.
Scientists at James Cook University warn that concurrent training can impair endurance development if recovery is not accounted for. They propose a new approach to mitigate resistance training-induced fatigue, which can affect athletes' performance several days after a single session.
A new study reveals that amplicon sequencing is more robust than shotgun sequencing in discovering microbial biodiversity, with 27% more families identified. The research has significant repercussions for future analyses of microbial diversity.
A researcher at Queen's University Belfast has discovered a way to convert contaminated aluminium foil into a highly pure biofuel catalyst, which could significantly reduce global waste and energy problems. The new catalyst is more environmentally-friendly, effective, and cheaper than commercial alternatives.
Researchers analyzed strontium isotopes in prehistoric cattle teeth to infer herding management and mobility. The study found three distinct herding patterns, indicating local, seasonal, and year-round grazing strategies that may have contributed to social inequalities.
The MIT Hacking Medicine model emphasizes collaboration, design thinking, and user feedback to address healthcare issues. The program has launched numerous successful ventures and raised over $100 million in venture funding.
A study published by the University of California - San Diego found that e-cigarette use increased among smokers attempting to quit, leading to a higher overall quitting rate. The study suggests that e-cigarettes play a role as a cessation tool and may have contributed to an increase in smoking cessation rates in the US.
A year-long trial confirms tocilizumab reduces both symptoms and steroid doses in patients with giant cell arteritis. The therapy offers a potential alternative to traditional steroid treatment, which can have serious side effects.
A new study published in Thorax found that smokers who undergo a low-dose CT scan of their lungs are more likely to quit smoking. The UK Lung Cancer Screening trial involved 4,055 participants and showed a 15% success rate in quitting after two years.
Researchers at IRB Barcelona have identified histidine as a crucial component in the machinery that enables Staphylococcus aureus bacteria to acquire and spread antibiotic resistance. This discovery could lead to the development of molecules to prevent the spread of resistant strains, offering new hope in tackling hospital infections.
The study identified the Atlantic Forest, Gulf of Guinea, and Thailand as regions where agricultural conversion provides higher benefits than environmental costs. In contrast, Latin America, insular Southeast Asia, and Madagascar are considered economically viable conservation targets due to low agricultural benefits and high environme...
A study found that extended-release guanfacine only showed a small reduction in tic severity among children with chronic tic disorders, with no significant difference between the drug and placebo. The medication was associated with common side effects such as fatigue, dry mouth, and headache.
A team led by University of Maryland astronomers has constructed one of the most detailed descriptions of a gamma-ray burst to date, shedding light on the initial 'prompt' phase and the evolution of large jets of matter and energy. The data suggest that both magnetic fields and matter play key roles in shaping the jets.
Researchers create RNA circuits that enable living cells to perform computations, producing complex logic capable of responding to multiple inputs. The technology has significant implications for fields like drug design, energy production, and cancer treatment.
The researchers created a three-layer structure of nickel, graphene, and a compound of iron, manganese, and phosphorus that can produce both hydrogen and oxygen simultaneously. The material is scalable, stable in acidic and basic solutions, and requires less energy than traditional catalysts.
Researchers at the Francis Crick Institute have worked out how major players in border formation between tissues keep cells in the right places. They found that ephrins and their Eph receptors trigger signalling inside both cells, stopping them from mixing, and that N-cadherin suppresses repulsion between like cells.
Research suggests that a cross-government strategy introduced in 1997 reduced health inequalities between the most deprived areas and the rest of England. However, since its end in 2010, these gains are being reversed due to current austerity policies.
Researchers will combine findings from cellular level studies with results of helmet testing to develop a new standard for assessing head protection and create a prototype helmet that meets this standard
Researchers at UCLA found that estrogen therapy's dose, not delivery method, affects risk and benefit for postmenopausal women. Higher doses of conjugated equine estrogen are associated with greater risk of heart disease and certain cancers, especially in obese women.
The Wayne State University team will train 122 students in an interdisciplinary approach to address complex urban problems, integrating science, engineering, policy, economics, and communication.
Researchers have gained new insights into the arrangement of stiff polymers in spherical cavities using computer simulations. The study reveals complex structures emerging on the sphere surface, including bipolar patterns and a tennis ball-like structure with four distinct poles.