A new study by Columbia University's Mailman School of Public Health found that financial incentives did not improve health outcomes for HIV-positive people with substance use disorders. The study showed no statistical differences in rates of viral suppression versus non-suppression or death among trial arms.
A UCLA-led study found that nearly half of California nursing home residents completed Physician Orders for Life-Sustaining Treatment forms in 2011. The study also identified areas where the use of these forms could be improved, including facilities with low completion rates and a lack of signatures on some forms.
A Big Data study has identified decreased blood flow in the brain as the earliest physiological sign of Alzheimer's disease. The researchers analyzed over 7,700 brain images and found that changes in cognition begin earlier than previously believed.
Hurricane Celia is currently in the Eastern Pacific Ocean but will issue warnings once it passes west of 140 degrees west longitude. NASA satellites capture images showing a cloud-filled eye and powerful thunderstorms wrapping around the low-level center.
Researchers are working on vaccines that induce broadly neutralizing antibodies to block a wide range of HIV variants, but the body does not readily make an adequate immune response to HIV infection. Efforts to vaccinate individuals with HIV immunogens have not yet been successful due to this issue.
Researchers at Helmholtz Munich discovered a new marker, Flattop, that subdivides insulin-producing beta cells into mature and immature subgroups. The study suggests that the Flattop-negative cells are a reserve pool for replenishing mature beta cells.
A new mobile application called WithShare facilitates collaborative activities by allowing users to request and participate in shared experiences. By streamlining interactions and emphasizing reciprocal roles, the app aims to overcome limitations of traditional timebanking and promote coproduction relationships.
A new study found that patient navigation and financial incentives were ineffective in improving HIV suppression among hospitalized patients with HIV infection and substance use. The research suggests that other approaches are needed to address the complex issues surrounding this vulnerable population.
Researchers have developed a method to observe nanometer-sized patterns of biomolecules such as proteins in an arrested but living state. This allows for the recording of molecular activity and interactions without causing cell death, revealing new insights into cellular behavior and processes.
Researchers at the University of New South Wales have developed a new eye test that can detect glaucoma four years earlier than current techniques. The patented method involves patients looking at small dots of light of specially chosen size and light intensity, identifying blind spots in the eye and early loss of peripheral vision.
A large international research team identified common genetic variants as the biggest culprits behind type 2 diabetes, with novel East Asian-specific variant PAX4 also found. The study's findings provide a more complete picture of the disease's genetics and hold promise for precision medicine.
A new PET/MRI imaging test has been shown to improve the detection of significant prostate cancer, surpassing current multi-parametric MRI methods. The test's addition of molecular imaging based on F-18-choline positron emission tomography (PET) significantly improves the identification of clinically significant cancers.
Female academic physicians at public medical schools received lower average salaries compared to their male peers, with a $51,315 difference in unadjusted analyses. Adjusting for factors like faculty rank, age, and specialty narrowed the gap, but a $19,878 difference remained.
Researchers have successfully created a controlled beam of ultra-energized photons, or gamma rays, from a laser using simulations on the Lonestar and Stampede supercomputers. The breakthrough has potential applications in fields such as cancer treatment, cargo screening, and fundamental science studies.
A NASA camera aboard the DSCOVR satellite captured a view of the moon as it moved in front of the sunlit side of Earth for the second time in a year. The images were taken using NASA's Earth Polychromatic Imaging Camera (EPIC) and show the moon crossing over the Indian and Pacific oceans.
Hurricane Celia has strengthened to a Category 1 hurricane with maximum sustained winds near 90 mph. The storm is expected to move towards the west-northwest with decreasing speed, potentially weakening by Tuesday.
Dr. Guanyang Zhang and colleagues describe 24 new assassin bug species from over 10,000 specimens, shedding light on the insects' behavior and taxonomy. The discovery highlights the importance of natural history collections in uncovering new species.
The University of Nottingham is developing breakthrough aerospace technologies with leading European manufacturers, focusing on environmental performance and fuel efficiency. The institution is also launching new aerospace undergraduate programs at Farnborough International Airshow.
A new analysis shows that US cancer centers increased their advertising spending by over 300% between 2005 and 2014, with for-profit organizations accounting for most of the spending. The bulk of the spending was concentrated in television ads, print media, and internet display advertisements.
Researchers at Amazentis SA and EPFL have discovered that urolithin A boosts mitochondrial function and reverses muscle aging. Oral administration of the compound enhances muscle strength and endurance in aged rodents.
A new USC study suggests that some teens who never would have smoked cigarettes are now vaping, potentially reversing progress in tobacco control. The study found that tobacco use among teens in Southern California is on the rise, with nicotine experimentation becoming a major concern.
Researchers discovered TNF's mechanism to protect against intracellular pathogens like Leishmania major. By inhibiting arginase 1, TNF increases nitric oxide production, which suppresses the pathogens, providing a plausible explanation for increased infection susceptibility during anti-TNF treatments.
Researchers from FAU Erlangen-Nüherung have shown that directed chains of particles in gel networks give them their solid properties. This discovery is crucial for understanding material properties of gels used in products such as toothpaste and cosmetics, potentially improving food production processes.
Scientists have discovered a way to control the interactions among microscopic spheres, causing them to self-propel into swarms, chains, and clusters. This breakthrough enables various applications in medicine, chemistry, and engineering, as well as advancing our understanding of collective dynamic behavior.
Dr. Rodney S. Ruoff has been recognized with the SGL Carbon Award for his pioneering discoveries in carbon science, including the understanding of nanostructures and 2D materials. His work has greatly accelerated industrial developments in graphene-based materials and electrical energy storage systems.
A 30-year study found that boys are more likely to experience pre-term birth, gestational diabetes, and pre-eclampsia, while girls face a higher risk of early onset pre-eclampsia. The research suggests sex differences in placental function may explain these disparities.
Researchers used genetic sequencing to track gonorrhea infections across borders, revealing that 3/4 of cases in Brighton could be linked to earlier local cases. The study also found evidence of gonorrhoea spreading to and from Brighton from the rest of the UK and the US.
The NIST Ballistics Toolmark Research Database provides a statistical foundation for reliably linking bullets to the guns that fired them. The database uses 3D topographic surface maps to analyze bullet markings, allowing researchers to quantify uncertainty and develop more accurate bullet-matching algorithms.
A new Yale study found that warmer body temperatures impaired key immune system proteins in human airway cells, but did not completely disable the immune response. Researchers also identified two additional mechanisms that contribute to defense against the cold virus at core body temperature.
Researchers found that taking magnesium supplements can reduce blood pressure in people with magnesium deficiency or insufficiency. Magnesium intake of 368 milligrams per day was associated with significant reductions in systolic and diastolic blood pressure, with effects lasting up to three months.
A new study from the University of Pennsylvania found that as the economy recovers, fatal car crashes involving large trucks also rise. The research, led by Monica He, suggests that commercial trucks play a significant role in motor vehicle fatalities during better economic times.
University of California, Berkeley paleontologists discover inherited dental features in primates that shed light on a mysterious increase in monkey species during climate change 8 million years ago. The traits will help track genes controlling tooth development and aid scientists in regrowing teeth.
Scientists have identified a subduction zone beneath Bangladesh, where two tectonic plates are slowly thrusting under each other. The resulting strain could lead to an earthquake magnitude of up to 9, affecting over 140 million people in the region.
Researchers linked traumatic brain injury with later development of Parkinson's disease, but not Alzheimer's disease or incident dementia. The study, involving over 7,000 participants, found an association between TBI and Parkinson's disease, contradicting common assumptions about the relationship between TBI and Alzheimer's.
Nepartak made landfall in eastern China as a minimal tropical storm after landfall in Taiwan. The MODIS instrument on NASA's Aqua satellite captured an image of the storm on July 9, showing its center had moved inland over southeastern China.
This study reveals a significant increase in prediabetes prevalence among healthy-weight adults over 18 years, highlighting the need for revised screening recommendations. Additionally, inadequate hydration is linked to higher BMI and obesity rates, suggesting drinking more water could be an effective tool against the obesity epidemic.
Researchers from UNC Lineberger Comprehensive Cancer Center argue that existing treatments are more effective than e-cigarettes in helping people quit smoking. They also highlight concerns about professional ethics and the need for stronger regulatory oversight.
Researchers discovered that closed-mouth vocalization evolved at least 16 times in archosaurs, including birds and crocodiles. This behavior is often used for mating displays or territorial defense, producing sounds that are typically quieter and lower in pitch than those made through an open beak.
The new platform uses genomic technologies and bioinformatics tools to identify bacteria that produce effective antibiotics. The researchers aim to improve the efficiency of natural product discovery, which has been hindered by bottlenecks in the past.
A new anonymity scheme called Riffle provides strong security guarantees while using bandwidth efficiently. The system employs a mixnet with onion encryption and uses authentication encryption to verify the authenticity of messages, ensuring cryptographically secure communication as long as one server remains uncompromised.
Scientists with Berkeley Lab developed a way to chemically assemble transistors and circuits that are only a few atoms thick, yielding functional structures large enough for real-world applications. This breakthrough helps pave the way for scalable and repeatable atomic electronics or more computing power in smaller areas.
The researchers have developed a new technique to apply precisely controlled silica coatings to quantum dot nanorods, saving time and preserving their optical properties. The approach enables the coating process to be completed in a day, up to 21 times faster than previous methods.
A new study found that recurrent diabetic ketoacidosis is associated with substantial mortality, particularly among young, socially disadvantaged adults with type 1 diabetes. The median age at death was just 32 in patients with 5 or more DKA admissions compared to 53 in those with fewer admissions.
Astronomers have reclassified UGC 1382 as a colossal Giant Low Surface Brightness disk galaxy that rivals Malin 1 in size, with spiral arms visible in ultraviolet light. The galaxy is about 7 times the diameter of the Milky Way and has similar amounts of stars and gas to Malin 1.
Researchers analyzed public data to determine the sources and occurrence rate of methane in groundwater. The majority of dissolved methane was found to be microbially-generated, rather than high-volume hydraulic fracturing.
A review of evidence suggests that multivitamin and mineral supplements for pregnant women are unlikely to provide significant benefits, and may be an unnecessary expense. Folic acid and vitamin D supplements, available at a lower cost, are recommended instead.
Researchers have successfully coupled the nuclear spins of distant atoms using just one electron, leveraging quantum theory to overcome limitations in spin qubit stability. The experiment, led by Prof. Richard Warburton at the University of Basel, demonstrates an unprecedented distance of up to five nanometers.
The German Centre for Integrative Biodiversity Research (iDiv) has secured funding for another four years, with a total award of around €36.5 million. The centre aims to study biological diversity and develop strategies to prevent loss of biodiversity.
Researchers at Albert Einstein College of Medicine have developed a home-based intervention to improve oral hygiene and feeding practices among South Asian mothers in the Bronx. The program aims to reduce childhood obesity and cavities by targeting common risk factors such as bottle-feeding and extended use of sippy cups.
State insurance mandates requiring coverage for children with autism spectrum disorder (ASD) were associated with increased diagnoses. The treated prevalence of ASD was higher in states with mandates compared to those without, suggesting that the mandates have had a positive effect on identifying children with ASD.
Researchers found that an FDA-approved cancer drug increased brain dopamine and reduced toxic proteins linked to Parkinson's disease progression. The study showed significant signs of benefit for patients with neurodegenerative diseases, including improved cognitive and motor functions.
A new study found that people felt more goodwill from Tom Brady when he started his answers with 'I don't know', which made him dodge questions less. The research suggests that sports stars may win by saying 'I don't know' to gain favor with the public.
A new study suggests that a protein deficiency in spinal muscular atrophy (SMA) disrupts cellular endocytosis, leading to muscle weakness. Interestingly, a mild version of this defect may also confer resistance to infections in carriers of the disease.
Researchers at MUSC discovered that Dab2 is a molecular switch regulating autophagy or apoptosis in tumor cells. Maintaining Dab2 levels blocks autophagy and promotes cell death, enhancing chemotherapeutic agent efficacy. In vivo studies showed Dab2 reduces tumor metastasis and increases drug-induced cell death.
A systematic review of 30 studies found that axillary lymph node dissection increases the risk of chronic pain by 21%. Younger age, radiation therapy, and acute pain after surgery were also associated with chronic pain. The study calls for more research into risk factors and techniques to reduce pain.
Researchers have identified a new organic molecule that converts a large amount of sunlight, enabling the development of stable solar cells with high efficiency. The new technology offers several benefits, including lower production costs and increased flexibility.
Researchers have discovered a way to custom-build valuable triterpenes using 'chemical origami', a process inspired by the ancient Japanese art of origami. By modifying an enzyme called SAD1, they can produce different triterpene scaffolds and building blocks, leading to new medicines and industrial chemicals.
Researchers found that Brazilian capuchins used stones as hand-held hammers and anvils to pound open hard foods, creating recognizable cashew processing sites. The tools were made from smooth, hard quartzite stones and dark-colored residues confirmed the use of cashew nuts.
A new study maps zones most prone to sea level rise impacts in South Florida, identifying socially and economically vulnerable communities at risk. The research provides a foundation for adaptation and mitigation planning, informing regional resilience efforts.
Researchers have developed a new method to observe and identify male and female tsetse flies using near infrared still photographs and time-lapse video. This technique could make the Sterile Insect Technique more efficient by sorting males and females earlier, allowing for easier sterilization and control of the fly population.