Researchers create artificial leaf-like structures that can harness sunlight and water to produce hydrogen fuel, increasing activity by a factor of ten compared to commercial photo-catalysts. The 'Artificial Inorganic Leaf' (AIL) mimics natural leaves' structural features for improved light harvesting efficiency.
A Rice University researcher has developed a natural extracellular matrix from adipose cells that supports the growth of living cells into tissues. The substance, called Adipogel, has been proven effective for growing liver cells and may be used to repair damaged organs in the future.
Scientists at UCSF have developed a novel cell-based strategy to treat Parkinson's disease by transplanting embryonic neurons into the striatum, improving motor function and balance in rats. The approach may offer a more precise effect than traditional strategies and has implications for other neurodegenerative diseases.
Hong Kong's tobacco control efforts have successfully decreased smoking prevalence from 23% in 1982 to 12% in 2008. The region's strategies, including tax increases and anti-smuggling efforts, have contributed to the success.
The new center will provide timely data on prescriptions to doctors, pharmacies, and regulatory agencies, helping identify best practices in prescription monitoring. The initiative aims to reduce the serious epidemic of drug abuse, taking thousands of lives.
Cyclone Ului brought heavy rain to Queensland, Australia, with TRMM satellite capturing the storm's intense rainfall. The cyclone dumped over 180 mm of rain along its path, with Mackay airport reporting 145 mm in 24 hours.
Researchers at Rutgers University found that mice trained to improve their working memory exhibit improved cognitive abilities and remain sharper as they age. Early training appears to have a lasting impact on the mice's intelligence.
Cyclone Imani has developed a 'tail' of clouds and reached category one status due to strong winds. The storm's movement is expected to lead to its dissipation within two days.
A study has identified two new proteins, MHF1 and MHF2, that are indispensable for the functional integrity of the Fanconi anemia (FA) pathway. The research reveals how these proteins work together to bind to specific DNA structures and prevent or repair DNA interstrand crosslinks, which can lead to cell defects and disease.
Scientists found that milkweed species that grow quickly are more vulnerable to insect damage, while fast-growing plants rely on predators for protection. This study provides valuable insights into plant defense mechanisms and has implications for developing pest-resistant crops.
Recent studies have shed new light on explosive volcanic eruptions in the ocean, a 300-million-year-old forest from the Andes, and innovative methods for dating sedimentary rocks. Researchers have discovered a unique eruption style dubbed 'Poseidic,' characterized by uninterrupted magma ascent, while fossil evidence supports an ecologi...
A new study from Iowa State University found that consuming at least 150 milligrams of flaxseed lignans per day can decrease cholesterol in men by just under 10 percent over three months. However, the effect was not significant for women.
A recent meta-analysis of 14 trials found that pregnancy after breast cancer diagnosis reduces the risk of death by 42%. The study suggests that hormonal changes during pregnancy may have an inhibitory effect on breast cancer cells, and that foetal antigens may also play a role in reducing the risk of recurrence. The findings support t...
A Johns Hopkins study found that community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) colonization rates increased among pediatric ICU patients, with younger children and African-American children more affected. Universal screening upon hospital admission and weekly screenings can help curb the spread of MRSA.
A new study reveals that pollutants from Asia are being transported to the stratosphere during monsoon season, potentially affecting global climate. The research found that black carbon, sulfur dioxide, and other pollutants are lifted into the stratosphere by Asian monsoon circulation patterns.
A study found that sirolimus-based immunosuppression significantly increases survival rates for post-transplant liver cancer patients, while radiofrequency ablation shows promise for very early-stage HCC treatment.
Children with insecure attachments have repeated experiences of caregivers responding inconsistently, leading to behavioral problems like aggression and hostility. The meta-analysis of 69 studies found that early insecure attachment to mothers is associated with later behavioral issues in children, including boys.
New Cornell University research reveals how plants at the bottom of the food chain have evolved mechanisms that influence ecosystem dynamics. Plants have developed three main strategies to increase their biomass, including producing volatile compounds called sesquiterpenes that attract predators, which drive modern ecosystems' structure.
Experiments in China have shown that changing the incentive system for healthcare providers can lead to improved basic primary health care and reduced costs. Primary-care providers are incentivized to cover more citizens with vaccinations and health education, improving access to cost-effective care.
A longitudinal study by Penn State researchers found that adolescents' input into decisions increases gradually, with more autonomy in areas such as appearance, activities, and schoolwork. The study also revealed differences in decision-making autonomy among children with varying family characteristics.
Agricultural Research Service (ARS) scientists are working to understand the causes of heat stress in cattle and develop management strategies to mitigate its effects. They have identified 11 influential factors contributing to animal susceptibility, including coat color, health history, and temperament.
A $3.8 million grant aims to address cultural barriers and biases limiting minority participation in cancer clinical trials. A patient navigation model is being established to provide assistance and support to patients considering or enrolled in trials.
Researchers at University of California - Berkeley found an insulin-like signal necessary to keep stem cells alive in the adult brain. Blocking apoptosis genes alone is not enough, as neural stem cells also require an insulin-type signal to persist. The study suggests that manipulating the insulin pathway may be essential for re-growin...
The university's course, 'Kitchen Chemistry Sessions,' uses molecular gastronomy techniques to teach students about chemical and biochemical concepts in food. Students learn to apply these concepts to prepare meals, demonstrating their understanding of chemical processes and scientific principles.
A team of researchers has created a new implantable device that measures the heart's electrical output with greater resolution than current devices. The device uses flexible silicon technology to bring electronic circuits right to the tissue, enabling high-density maps of electrical activity.
Researchers at OHSU School of Dentistry have discovered that inflammation boosts the production of a protein involved in pain signaling, which could lead to new treatments for craniofacial pain conditions. The findings provide a crucial understanding of the molecular mechanisms underlying trigeminal pain.
A new Rotman paper finds that physically enclosing relevant materials from unpleasant memories improves psychological closure, creating a sense of well-being. The study's findings have implications for products and services that relieve stress and anxiety related to past events or tasks.
Research reveals that brain damage to the ventromedial prefrontal cortex impairs judgment of harmful intent, leading to more lenient moral judgments for attempted harms. The study suggests that patients with VMPC damage primarily evaluate actions based on outcomes rather than intentions.
Oxygen minimum zones (OMZs) support a variety of habitats and species, including brittle stars, spider crabs, and tube-living organisms. Global warming may exacerbate oxygen depletion and reduce biodiversity in these regions.
Physicists at NYU have created colloidal dispersions with programmable particle interactions, offering opportunities for engineering smart composite particles and new functional materials. The 'lock and key' mechanism allows specific particles to join together based on shape, marking a next step in understanding self-assembly processes.
A new study by Rice University sociologists examines the role of private foundations in supporting religion and finds they have a significant influence despite limited financial contributions. The study highlights the Lilly Endowment's strategic giving, which has a real impact on the religious sector.
Young adults are flocking to EDs instead of outpatient clinics, receiving nearly twice as much care as children and adolescents. Access to primary care is associated with improved health outcomes and lower ED use rates.
The revised CONSORT 2010 statement provides a checklist to ensure randomised controlled trials are reported transparently and reliably. The guidelines aim to improve the quality of trial reports, making it easier for decision-makers to evaluate the soundness of trial results.
Living longer and healthier is possible due to public health efforts and improved medical interventions. However, the aging process itself, including dementia and heart disease, remains largely unchanged, with a steady risk of death after age 110.
The Scripps Research Institute team solved the structure of the 'swine flu' virus, revealing similarities with earlier human flu viruses. This discovery helps explain why older individuals were less severely affected by the recent outbreak than younger ones.
A genetic variation at the GPC5 gene has been linked to a reduced risk of sudden cardiac arrest. The study found that individuals with this variation have a 15% lower likelihood of experiencing the heart disorder, which claims over 250,000 American lives each year.
Agricultural Research Service scientists discover that sugarcane can tolerate standing water for up to two weeks without adverse effects on yield or sugar content. This finding provides relief for growers under strict regulations to reduce phosphorus runoff into the Everglades.
A study of UK schoolchildren found that Black Africans, Indians, and Bangladeshis have a similar or lower prevalence of asthma than White children. A family history of asthma and psychological well-being were consistent correlates for asthma regardless of ethnicity.
A new study found that few websites provide high-quality patient information on treatment options for Crohn's disease and ulcerative colitis. Researchers evaluated 50 websites using various criteria to assess their quality and accuracy.
Non-human animals, including gorillas and chimpanzees, exhibit knowledge about what they have seen in experiments. The apes reduce checking before choosing when provided with auditory information about the food's location, suggesting metacognitive abilities.
Researchers at Medical College of Georgia have developed a synthetic peptide that mimics the body's natural ability to reduce excess fluid accumulation in lung transplant patients. The peptide, called TIP, has been shown to improve oxygenation and reduce inflammation, potentially reducing mortality rates.
Researchers have developed a flexible silicon electronics device that can map waves of electrical activity in the heart with high density and speed. The device uses 288 contact points and has the potential to localize and treat abnormal heart rhythms.
Researchers successfully controlled x-ray pulses using laser light, enabling new possibilities for quantum information storage and processing. This breakthrough has the potential to shape x-ray pulses on a femtosecond time scale.
Scientists have developed a new diagnostic method using Raman spectroscopy to detect biochemical changes in retinal cells, revealing the presence of glaucoma. The test detected glaucomatous changes with 90% accuracy in animal retinal tissue testing.
A randomized trial found that octreotide acetate did not reduce the incidence or severity of diarrhea in patients with anorectal cancer. The study included 215 patients who received either a placebo or long-acting octreotide before and during radiation therapy, but no significant differences were observed between groups.
The article highlights the risks of incorrect online information and its inability to substitute for human interaction. It emphasizes the need for physicians to weigh information and advise patients, as the Internet cannot replace human judgment and empathy.
Researchers analyzed 439 soil respiration studies and found that the total amount of carbon dioxide flowing from soils has increased by about 1-2 percent per year since 1989. The study suggests that higher temperatures are unlocking old carbon, but more boreal data is needed to reach statistical relevance.
Researchers have developed 'filters' that can be used to weed out compounds likely to show up as false positives during high-throughput chemical screening. This will reduce the time spent on medicinal chemistry and optimize the compound selection process for drug development.
A large six-year review found that many children with severe food-related allergic reactions needed a second dose of epinephrine, highlighting the importance of carrying multiple doses. The study recommends that all children at risk for food-related anaphylaxis carry two doses of epinephrine.
A UCSF study found that delivering HIV prevention services to people living with HIV in clinical settings can sharply reduce their sexual risk behaviors. The intervention, led by medical care providers during routine visits, resulted in a consistent decline in risky behavior over the 12-month study period.
Scientists identified alternative routes for pharmaceuticals to enter the environment through bathing, showering, and laundering. These routes may lead to higher environmental impact for certain medications applied topically. Reducing consumption and developing better drug delivery systems can minimize environmental harm.
A study published in Respiratory Research reveals that older people and those infected with HIV are at higher risk of contracting and dying from tuberculosis. The research identified factors linked to treatment abandonment and deaths, including lack of understanding, injection drug use, and age over 50 or HIV infection.
Researchers developed a strategy to overcome the issue, highlighting the importance of communication between healthcare providers. The study showed that changing drug therapy at an early stage can help patients get the full benefit of tamoxifen treatment, leading to improved breast cancer efficacy.
A new study suggests that emotions are crucial for making moral judgments. Patients with damage to the ventromedial prefrontal cortex (VMPC) have difficulty responding emotionally to hypothetical situations and may judge others' actions as morally permissible even if they intended harm.
A new study found that economic booms can lead to increased illness and mortality rates among children in coffee-producing counties. When coffee prices spike, workers spend more time tending fields and less time on activities beneficial for child health. In contrast, when prices fall, people work less and child health improves.
A recent study published in Cognitive Development found that teenagers take the most risks compared to other age groups, particularly between 14-35 years old. The researchers discovered that teenagers enjoy the thrill of taking risks more than other age groups, especially when they have a 'lucky escape'.
The Norwegian Influenza Study (NorFlu) aims to understand the effects of influenza in pregnancy on maternal health and childhood development. Pregnant women in Bergen and Oslo will participate in the study, providing a blood sample and completing a questionnaire.
Researchers found that infants as young as 7 months old display sensitivity to human voice and emotional prosody in their brains, mirroring adult brain activity. The study suggests that critical neurodevelopmental processes underlying impaired voice processing in disorders like autism may occur before 7 months.
A new study found that chronic job stress and lack of physical activity are strongly associated with being overweight or obese. Exercise was the key to managing stress and keeping a healthy weight among employees.
Researchers found that domestic guinea pigs excelled in a water maze test due to their improved ability to decipher guidance symbols, while wild cavies were stronger swimmers. The study suggests an adaptation in domesticated animals for efficient problem-solving in human-made environments.