A recent study by USDA Forest Service researchers found that removing the invasive Tamaligi tree greatly improves the health of its diverse native forests in American Samoa. Native tree species quickly recover and persist after control efforts, while biomass levels are restored to equivalent pre-invasion levels.
A new study published in International Forum of Allergy and Rhinology found that ketorolac is a safe and effective pain medication for patients after sinus surgery, without the side effects of narcotics. The study compared ketorolac to fentanyl and found no significant differences in nasal bleeding or pain relief.
A new study finds that brain insulin resistance contributes to cognitive decline in Alzheimer's disease, independent of diabetes status. Insulin-sensitizing medicines may have therapeutic potential to correct insulin resistance and slow down or improve cognitive decline.
Researchers at Uppsala University have identified potential biomarkers for autism spectrum disorder using advanced mass spectrometry. The study found disruptions in the nervous system and a connection between protein C3 and ASD, which may lead to a reliable blood-based diagnostic tool.
Researchers have discovered a new species of scorpion in Death Valley National Park, California. The species, Wernerius inyoensis, is small and closely related to other species found in Joshua Tree National Park and along the lower Colorado River.
A study by Complutense University of Madrid found that Spanish public television began to portray republicans as brave combatants in the final years of Franco's regime. The researchers analyzed TVE archives and concluded that the topic of peace replaced war, highlighting a shift in how the Civil War was portrayed on TV.
Researchers at the University of Southampton are using 3D imaging to create personalized maps of how inhaled drugs work within the lungs. This unique visualization will help optimize drug administration and inform future treatments for diseases like asthma and cystic fibrosis.
Research finds Patatin-like phospholipase domain containing protein-3 (PNPLA3) and glucokinase regulatory protein (GCKR) genetic variants contribute to fatty liver disease in obese children, explaining up to 39% of hepatic fat content.
A randomised controlled trial found ultrasound-guided surgery excises all cancerous tissue with minimal healthy tissue removal, reducing re-excisions and radiotherapy. The technique enables precise tumour localisation and assessment of surgical margins.
The Stroke Progress Review Group identified three priorities: developing valid measurements of neuroplasticity, understanding the impact of experience on brain plasticity after stroke, and translating new restorative therapies into practice. Implementing Specialized Programs of Translational Stroke Research in Recovery is a key priority.
A study of ancient DNA found that Western European Neandertals experienced a demographic crisis, leading to reduced genetic variation and near-extinction. This discovery challenges the long-held theory of cold adaptation in Neandertals.
Researchers found that chimpanzees switched to two legs in high-competition situations to carry more resources. This adaptation may have led to natural selection and the origin of human bipedalism.
Researchers at Moffitt Cancer Center found that 38% of lung cancer patients suffer from depression, with greater stigma levels related to higher depressive symptoms. Psychotherapeutic approaches may help alleviate or prevent depression by altering perceptions of stigma.
A recent study by Purdue University researchers found that fatigue and unmet expectations of parenthood can contribute to post-adoption depression in women. The study, based on survey results from 300 mothers who adopted within the past two years, identified unrealistic expectations as a common theme related to depression.
Researchers at Mayo Clinic and University of Glasgow discovered fruit flies can develop kidney stones, which may hold the key to treating humans. They identified a gene that encodes a protein transporting oxalate into fly kidneys, reducing stone formation.
The NIH has launched an online resource called e-Source, which offers a range of interactive chapters, discussion forums, and references to help researchers apply behavioral and social science methods to public health activities. The resource is designed to provide a foundation for collaborations between biological and social scientists.
Researchers at Michigan State University have developed a novel procedure to assess plant species diversity in an area by analyzing vegetation information collected by satellites over time. This allows resource managers to evaluate biodiversity without collecting regionwide field data.
A study published in PNAS reveals that a deficiency of Mitofusin 2 protein causes insulin resistance and glucose intolerance in mice, highlighting its potential as a target for treating type 2 diabetes. The researchers also note that the protein plays a crucial role in maintaining normal glucose homeostasis.
A new diagnostic criteria for Pediatric Acute-onset Neuropsychiatric Syndrome (PANS) has been proposed, expanding on existing criteria for Pediatric Autoimmune Neuropsychiatric Disorder Associated with Streptococcus (PANDAS). A clinical trial testing an immune-based treatment is currently underway, aiming to provide appropriate care fo...
Scientists have discovered that even slight stimuli can change the information flow in the brain by altering the temporal pattern of communication between brain areas. This reorganisation can be triggered at the right time, allowing for rapid changes in perception.
A new study by Rice University scientists reveals that cooking temperature determines the effectiveness of 'biochar' as a soil additive. Biochar can improve hydrology and make more nutrients available to plants when produced at high temperatures.
A comparative genomic analysis of two white rot fungi found substantial differences among the sets of genes involved in lignocellulose degradation. C. subvermispora was found to selectively break down lignin at an efficient rate, making it a potential game-changer for the pulp and paper industry.
Scientists have discovered a liquid-like compound that could lead to more efficient thermoelectric devices, which convert heat into electricity and vice versa. The copper-selenium material exhibits liquid-like behavior due to the flow of copper atoms through the selenium's crystal lattice.
Researchers have discovered a new mechanism of prostate cancer cell metabolism by identifying the PFKFB4 gene, which is vital for tumor growth and antioxidant production. The study found that depletion of this gene in laboratory models inhibited tumor growth, suggesting potential targeted therapies.
A study published in Environmental Health Perspectives found that prenatal exposure to combustion-related pollutants was significantly associated with symptoms of anxious/depressed and attention problems in young children. High levels of polycyclic aromatic hydrocarbons (PAH) were measured in mothers' air samples and umbilical cord blood.
Scientists at Purdue University have identified enzymes and biochemical compounds that are targeted and modified by the dengue virus during infection, suggesting a potential new therapy. Medications used to treat high cholesterol may also inhibit dengue's replication.
The Scripps Research Institute has received a $206,250 grant from the California Institute for Regenerative Medicine (CIRM) to expand its high school summer internship program. The program aims to inspire talented students from diverse backgrounds to pursue careers in stem cell research.
Photoacoustic tomography allows scientists to see deep beneath the skin with high contrast, revealing tissue oxygen use and cancer biomarkers. The technique enables non-invasive imaging for breast cancer staging, early chemotherapy response monitoring, melanoma detection, and gastrointestinal tract visualization.
Researchers at Linköping University have developed a new type of battery using brown liquor as a raw material, which could provide an inexpensive and sustainable solution for storing renewable energy. The breakthrough uses organic solar cells based on conductive plastic, achieving high performance levels that make them competitive.
A new study found that liver cancer patients are less likely to die on the wait list than non-HCC candidates, with HCC patients having substantially lower odds of waitlist removal for death or deterioration. The researchers argue that exception points currently allotted for HCC should be lowered.
Researchers discovered that false killer whales can focus their echolocation beams on targets using a strategy called 'acoustic squint', increasing beam width when faced with harder tasks. By plotting the path of acoustic beams, they found that wider beams were focused furthest away, allowing Kina to target specific objects.
New research published in BMC Public Health found that people living alone have an increased risk of developing depression, with women's risk attributed to sociodemographic factors such as lack of education and low income. The study identified poor housing conditions and lack of social support as key contributory factors.
A new study led by UC Riverside's Alexander Raikhel aims to control mosquito population through hormonal regulation. The researchers will focus on deciphering genes involved in mediating hormone action during egg production in Aedes aegypti mosquitoes, which spread dengue and yellow fever.
A new genomic test has been shown to help doctors identify breast cancer patients who do not need adjuvant chemotherapy, reducing side effects and improving quality of life. The study found that patients classified as low risk by the test had a higher distant disease-free survival rate compared to those classified as high risk.
Researchers have successfully harnessed neurons in mouse brains, allowing them to at least partially control a specific memory. The study advances understanding of how memories form and offers new insight into disorders such as schizophrenia and post-traumatic stress disorder.
A Cardiff University team has secured funding to develop a new surgical simulator that accurately reproduces the effects of cutting in real time. The project, led by Professor Stéphane Bordas, aims to reduce risk to neurosurgery patients and aid training worldwide.
Researchers at San Francisco State University found that a music-based curriculum can significantly improve fraction understanding in third-grade students. The program, known as Academic Music, uses rhythm and gestures to introduce fractions, resulting in a 50% increase in test scores compared to traditional math instruction.
Researchers found that lengthy spaceflight affects cardiovascular responses, but the intensive exercise routines on these missions keep mechanisms well-prepared for return to Earth. The study tested six astronauts on long-term missions aboard the International Space Station.
Researchers are conducting a seismic survey at the Mariana trench to map the distribution of serpentinite in subducting plates and overlying mantle. This will help understand island-arc volcanism and subduction-zone earthquakes, which are among the most powerful in the world.
Scientists discovered a 3-4 million-year-old toothed whale species, Bohaskaia monodontoides, that lived in warm water regions and shared features with belugas and narwhals. The fossil skull found in Virginia suggests its modern relatives' Arctic adaptations evolved recently.
A study led by Eric Courchesne identified genetic mechanisms involved in abnormal early brain development and overgrowth in young autism patients. The findings suggest novel genetic and molecular targets for prevention and treatment strategies.
Scientists have discovered a new understanding of the Earth's mantle beneath the Pacific Ocean, revealing that the Gutenberg discontinuity is closely related to the lithosphere-asthenosphere boundary. The study suggests that partially molten rock plays a key role in forming the Gutenberg discontinuity.
Scientists have designed a battery cathode made of lignin byproducts, which may lead to cheaper and safer electrodes. The new cathode is comparable to those that require precious metals or rare raw materials.
Researchers found that molybdenum, not phosphorus, is the limiting nutrient for nitrogen-fixing bacteria in tropical forests. The discovery could have widespread implications for understanding how tropical forests respond to climate change and regulate the Earth's climate system.
Researchers found that cognitive behavioural therapy (CBT) and physical exercise can significantly reduce menopausal symptoms, such as hot flushes and vaginal dryness, in breast cancer patients undergoing treatment. The interventions also improved sexuality and physical functioning, with positive effects still apparent after six months.
Researchers have identified a new type of landform on Mars, periodic bedrock ridges, which provide valuable information about the planet's geological past. The ridges, formed by wind erosion of bedrock, offer a unique window into Martian history and potentially allow scientists to study the planet's ancient layers.
A recent study by John Gill and colleagues found that the age of a live donor between 18 to 64 years has minimal effect on the survival of transplanted kidneys. This finding suggests that patients over 39 years old may benefit from participating in living donor paired exchange programs or kidney swaps.
Researchers have made significant progress in understanding animal metacognition, finding that macaques exhibit uncertainty-monitoring capacities similar to those in humans. This consensus suggests that animals may share a form of self-reflective, metacognitive capacity with humans.
Researchers at Johns Hopkins Kimmel Cancer Center discovered that low doses of epigenetic-targeted drugs azacitidine and decitabine can re-activate genes that stop cancer growth. The study found antitumor responses in breast, lung, and colon cancers, with effects caused by alteration of the epigenetic environment of DNA.
A recent study published in PloS ONE suggests that immediate skull reconstruction following traumatic brain injury can exacerbate brain damage. In contrast, delaying surgical repair for two days resulted in reduced secondary brain swelling and damage in animal models.
A University of Delaware oceanographer found trace amounts of radioactive iodine in the Delaware River, providing a new way to study substance travel through rivers to the ocean. The contaminant enters waterways via wastewater treatment systems and has a half-life of eight days.
New research from Rice University suggests that childhood hunger policies should focus on neighborhoods rather than individual families. Children living in poverty-stricken neighborhoods with high foreign-born populations are more likely to experience hunger.
New research reveals four key reasons why radical transparency is hard to achieve, including the limits of technological fixes, intermediary challenges, and government responses. The analysis highlights that information has no transformative power in its raw form, requiring distillation and interpretation to capture audience attention.
A recent study found that two specific genes, TAS2R38 and CD36, may play a role in some people's ability to taste and enjoy dietary fat. Individuals with certain genetic variants are more likely to prefer higher-fat foods, potentially contributing to obesity risk.
A study found that wide negative margins are associated with a lower risk of local recurrence in women with ductal carcinoma in situ treated with breast-conserving surgery. Researchers recommend considering radiotherapy as the top priority to complement targeting wider free margins.
A recent study published in the Annals of Behavioral Medicine reveals that survivors of multiple cancers exhibit poorer physical and mental health status compared to those with a single cancer diagnosis. These individuals also engage in more unhealthy behaviors, such as smoking and excessive alcohol consumption.
Researchers at UC San Diego have developed a new technology to predict solar energy output, which could help utilities generate significant savings. The system uses sky imagers to capture cloud conditions and forecast power output in 15-minute increments.
Modern nature conservation faces challenges in governing diverse ecosystems, with threats from human activities like forestry, agriculture, and fisheries. The study emphasizes the need for efficient governance to address these issues and halt biodiversity deterioration.
A new NIH study finds that programs to prevent or delay type 2 diabetes in high-risk adults can improve quality of life, reduce healthcare costs, and result in significant savings over time. Lifestyle interventions and metformin treatment were found to be cost-effective options for preventing type 2 diabetes.
The University of Bonn team has successfully derived brain stem cells directly from connective tissue in mice, which can reproduce and be converted into various types of brain cells. This method is faster, safer, and associated with a lower risk of tumors compared to existing approaches.