A new study on ocean microbes calls into question the potential use of algal blooms to trap carbon dioxide. Diatoms are found to be using more iron than needed for photosynthesis, storing it in their shells and reducing the amount available for other phytoplankton.
Researchers found evidence of actively metabolizing and proliferating bacteria, archaea, and fungi in the deep biosphere, with implications for global biogeochemical cycles. The study revealed diverse biochemical pathways and movement mechanisms, including flagellar-driven locomotion and gliding.
The analysis of fossil kangaroo teeth reveals a diverse prehistoric habitat in southeastern Queensland, including tropical forests, wetlands, and grasslands. The findings suggest that extinct marsupials occupied specialized dietary niches, contradicting previous assumptions about the region's aridity.
Researchers at the University of Illinois at Chicago discovered that genetic mutations associated with inherited ALS can cause delays in nutrient and protein transport within nerve cells. This slowdown can lead to cell death, contributing to the neurodegenerative disorder.
A recent study offers a tool to identify regions exposed to multiple forest threats, including wildfires, urban development, and insects and disease. The tool uses a novel analysis technique to highlight locations where threats are more concentrated.
A team of Spanish researchers has sequenced the global deep ocean genome using over 2,000 samples of microorganisms collected from the Atlantic, Indian, and Pacific Oceans. This groundbreaking study reveals a vast unknown species of microorganisms with intense biological activity.
A new study reveals that one in eight high-risk patients using over-the-counter NSAIDs take the medication despite knowing the risks. The most common reasons for use were musculoskeletal complaints, with 67% citing this as a reason.
Researchers have identified a sleep mechanism that enables the brain to consolidate emotional memory and found that Ambien heightens recollection of and response to bad memories. This discovery has implications for individuals with anxiety disorders, such as PTSD, who are prescribed Ambien to help them sleep.
Professors Barry Bresnihan and Jean-Michel Dayer received the Meritorious Service Award from EULAR for their dedication to advancing rheumatic and musculoskeletal diseases. They have conducted pivotal research that substantially improved patient lives, particularly in rheumatoid arthritis and systemic lupus erythematosus.
Researchers from the University of Toronto have created an electronic chip that can analyze samples for panels of infectious bacteria in a matter of minutes. The technology can identify multiple pathogens and determine antibiotic resistance, addressing the urgent need for rapid diagnosis.
Researchers used nanosensors and advanced imaging techniques to track the spread of pancreatic tumors and monitor the effectiveness of drugs. The study reveals promising results for combination therapies that can enhance drug delivery and improve clinical outcomes.
Scientists at NYU Langone Health have discovered a population of self-renewing stem cells in the nail matrix that depend on Wnt signaling proteins to regenerate bone and tissue. This breakthrough holds promise for therapies to help people regenerate lost limbs, affecting an estimated 1.7 million Americans with amputations.
Researchers found that blocking kappa opioid receptors in the central amygdala reduced signs of cocaine addiction in rats, suggesting a potential therapeutic approach. The study highlights an alternative to traditional pleasure-seeking circuits and provides hope for new treatments targeting negative motivational factors.
The Journal of Pharmaceutical Policy and Practice has transferred to BioMed Central, supporting its growth and development. The new focus will cover high-income economies and provide a platform for researchers to share evidence and perspectives on global pharmaceutical policy.
A new study by John Helliwell and colleagues found that communities with better social capital and pro-social behaviors are more resilient during crises, leading to improved happiness. The research suggests that social trust and quality social networks play a crucial role in mitigating the impact of economic shocks.
Ocean acidification is altering shell formation rates and energy usage in young oysters, leading to increased mortality. However, interventions at hatcheries, such as buffering water with antacids, may help mitigate these effects.
A study presented at EULAR 2013 found that a progressive muscle strengthening programme using a Swiss ball significantly improves functional capacity, muscle strength, and mobility in patients with Ankylosing Spondylitis. The programme also showed no harmful effects on disease activity, leading to improved treatment satisfaction.
A study published in JAMA Pediatrics found that laws and district policies limiting sugar content in foods reduced sweets sales to 32.3% of schools. The availability of sugar-sweetened beverages decreased significantly, with only 3.6% of schools with a ban compared to 13.1% without one.
Researchers found that 10-month-old infants preferentially reach for the victim rather than the aggressor in an animated sequence test. This suggests that infants may exhibit rudimentary sympathy toward others in distress based on their evaluation of roles in interactions.
Researchers have developed a color sensor method using luminous bacterial proteins to detect pharmaceutical residues and pollutants in water. The method uses a red and green fluorescent dye, with the dyes shining green when present and red when not present, making it suitable for detecting a wide range of substances.
Researchers found that loggerhead turtles rely on sight to identify and move towards gelatinous, floating prey like jellyfish and other organisms. They can snack on these low-energy foods approximately twice every hour, suggesting they may rely on such prey for energy more than previously thought.
A new study at Georgia Tech suggests that diatoms stuff more iron into their silica shells than needed, limiting its availability and reducing productivity. This can negatively affect the ecosystem, including plankton production and competition for iron.
A new study demonstrates the efficacy of a radiographic scoring method to evaluate joint damage in rheumatoid arthritis, revealing progressive destruction even under TNF-blocking therapies. Patients with pre-existing damage showed significant increases in joint damage, highlighting the importance of early and accurate evaluation.
Researchers find genetic diversity as key to the species' adaptive potential, global distribution, and ability to thrive in various ocean environments. The study reveals a pan-genome with a core set of genes supplemented by region-specific genes, enabling the calcified alga to live almost everywhere at the ocean surface.
A new study shows that rapid evaluation for Giant Cell Arteritis (GCA) using Color Doppler Ultrasound (CDUS) followed by immediate treatment significantly reduces permanent vision loss. The 'fast track' approach led to 11.1% transient visual manifestations, with none suffering from permanent visual loss.
Researchers used GIS to better understand relationships between populations and resources in Alaska, Texas, and Nepal. GIS identified spatial patterns and barriers to healthy food access in rural areas.
Exercise-induced bronchoconstriction affects 10% of the population, causing symptoms like cough, wheezing, and shortness of breath. Vitamin C has been shown to halve the FEV1 decline caused by exercise in three randomized trials, indicating a potential benefit against this condition.
A study of 1,500 women reveals that hot flashes and night sweats can occur before menopause, particularly among white women, Asian women, and those with certain dietary habits. The findings shed light on the complex factors influencing midlife symptoms and provide reassurance for women experiencing unexpected hot flashes.
Research at the University of Alberta found that rats with low birth weights are more susceptible to age-related vision loss. The team's findings suggest a potential link between low birth weights and complex diseases like age-related eye disorders.
A study demonstrates that brodalumab effectively reduces PsA symptoms and improves quality of life. The treatment also shows promise for those with prior biologic exposure, indicating a potential new therapeutic approach for this progressive disease.
The University of Texas at Austin's Nanoelectronics Center will receive a five-year, $7.8 million award from SRC and NIST to develop novel ultra-low-power transistor research. The goal is to create transistors that consume significantly less energy than current devices, with potential applications in mobile computing and manufacturing.
A new molybdenum-based image sensor has been developed, featuring a single pixel that requires only 1/5th the light energy of current silicon-based sensors. This breakthrough enables high sensitivity in low-light conditions, opening up new possibilities for astrophotography and biological imaging.
A new study by the University of Utah found that hands-free devices can overload drivers' attention and impair their ability to drive safely. The study used advanced metrics to assess driver mental workload and reaction time, revealing a five-fold increase in infotainment systems in new vehicles by 2018
Research reveals African-Americans have a greater decline in their sense of smell as they age, which can lead to impaired nutrition and increased risk of neurodegenerative diseases. The study found that racial disparities in olfactory function cannot be explained by social, environmental or medical factors.
Research suggests that people are more likely to respond quickly and accurately to genuine smiles than polite smiles. This finding has implications for social interactions and may be a critical social skill to learn.
A new study by Columbia University's Mailman School of Public Health suggests that restricting large sugar-sweetened beverages in food service establishments would primarily affect overweight individuals, including teenagers. The proposed restrictions aim to reduce obesity, which is linked to excess calories from sugary drinks.
Researchers at Carnegie Mellon University developed a method for tracking individuals in complex nursing home settings using video cameras. The technique used multiple cues such as apparel color, person detection, trajectory and facial recognition to track 13 people with an accuracy of 88%, outperforming leading algorithms.
A new study by the University of Toronto's Rotman School of Management found that caregiving dads are treated disrespectfully at work due to non-traditional gender roles. The study suggests that employees who violate traditional gender norms, such as men doing less caregiving and domestic tasks, face harassment in the office.
Researchers have identified the TTC7A gene as the cause of multiple intestinal atresia (MIA), a rare and life-threatening condition. The discovery will enable the development of prenatal diagnostic tests for pregnant women and screening tests for carriers, offering new hope for affected families.
The new ProteomicsDB contains over 11,000 datasets from human cancer cell lines and tissues, enabling real-time analysis of large data sets. The database provides instant value for researchers to test analytical hypotheses and develop new drugs with reduced side effects.
The project aims to demonstrate the feasibility of converting switchgrass into jet fuel economically and in large quantities. The process is expected to result in a 95% reduction in greenhouse gas emissions compared to current production methods.
A study by The Children's Hospital of Philadelphia found that educating pediatricians about appropriate antibiotics for common respiratory infections led to a significant decrease in broad-spectrum prescribing. This intervention improvedRx guideline compliance, resulting in better antibiotic use and potentially reduced resistance.
A common standard for Design, Application and Communication of Population Viability Analyses (PVA) is proposed to enhance communication and repeatability of PVAs. The protocol, accompanied by an interactive website, aims to strengthen the credibility and relevance of PVAs for policy and management.
A study found that only a few low-and middle-income countries have implemented robust national policies to prevent noncommunicable diseases, such as reducing fat and salt intake. The majority of these countries lack adequate strategies to promote healthier diets and physical activity.
Researchers at The Wistar Institute have discovered a way to overcome drug resistance in melanoma by combining anticancer therapies with diabetes drugs. By sensitizing resistant cells, the combined therapy can destroy a subset of drug-resistant cells within a tumor.
A new report suggests that vaccinating more children and young adults for influenza could significantly reduce the number of lives lost and economic burden associated with seasonal influenza. The study's findings suggest that programs targeting these age groups would have the best payoff in breaking the annual transmission cycle.
A new NIH grant will support research at UC Irvine's Conte Center on Brain Programming in Mental Disorders, exploring how maternal signals and care before and after birth influence adolescent cognitive and emotional problems. The study aims to identify children vulnerable to mental health disorders and develop effective treatments.
A study by St. Jude Children's Research Hospital found that 98% of childhood cancer survivors have at least one chronic health condition, with 80% developing a life-threatening condition by age 45. Regular medical checkups and healthy lifestyle choices can help mitigate risk.
Researchers from the Seaver Autism Center at Mount Sinai identified common clinical symptoms of Phelan-McDermid Syndrome, including severe to profound intellectual disability, seizures, and low muscle tone. The study provides important guidance for developing a standardized assessment methodology for this disorder.
A new study suggests retailers can mitigate conflict by calling out bad shopping etiquette. In an experiment, shoppers who left clothing in disarray received less help from fellow customers after being reprimanded.
Researchers have demonstrated that brain-computer interfaces can learn as users practice simple motor skills like waving a hand. After just 10 minutes of practice, the brain's activity transitions from learning to automatic actions, indicating successful learning.
Researchers found that none of the 169 cancer clinical practice guidelines met all eight criteria set by the Institute of Medicine. However, some guidelines were rated as 'good,' highlighting the need for a balance between ideal standards and practical implementation.
Researchers at Johns Hopkins Medicine developed an experimental vaccine that prevents the virulent TB bacterium from invading the brain and causing TB meningitis. The new vaccine was tested in guinea pigs and showed promise in reducing brain damage and death, with higher levels of protective antibodies and interferons.
The autonomous robot will test technologies and techniques for exploring life on Mars, with a focus on gathering scientific data. Zoë is equipped with a one-meter drill to bore deep into the ground and analyze soil samples using instruments like the Mars Microbeam Raman Spectrometer.
The study analyzed chemical traces from the first complete Archaeopteryx feather, revealing a patterned plumage. The findings contradict previous assumptions that all feathers were black and provide crucial insights into the evolution of bird feathers.
Researchers compared nutrient and sediment loss from no-till, conventional tillage, and reduced-input rotation watersheds, finding that no-till reduces soil erosion but may increase dissolved phosphorus. Reduced-input rotations strike a balance between conventional tillage and no-till, but led to higher levels of soil loss.
Scientists have created a general strategy for making a wide range of nanoparticles in different size ranges, compositions and architectures. The new technique uses star-shaped block co-polymer structures as 'nanoreactors' to control the size and uniformity of colloidal nanocrystals.
Women with obesity have a higher risk of giving birth to preterm infants, particularly those born extremely preterm. Obesity-related diseases and increased inflammation contribute to this increased risk.
Researchers found white-matter abnormalities in soccer players who headed the ball over 885-1,550 times a year, associated with cognitive impairment. Players with more than 1,800 headings per year showed poorer memory scores, suggesting frequent heading may cause brain injury.
Tropical Storm Yagi was located just south of Japan's Big Island when captured by NASA satellite imagery. The storm is expected to weaken and dissipate over the next couple of days as it moves southeast.