A new study by University of Notre Dame biologist Jeffrey Feder challenges the prevailing assumption about genomic speciation. The research found that speciation in the classic apple maggot fly system involves genome-wide differentiation driven by natural selection.
The European Nucleotide Archive (ENA) consolidates three major sequence resources, providing free access to over 20 terabases of nucleotide sequence data. The ENA offers improved submission and data-access tools, making it easier for users to share their sequence data.
A new study from St. Jude Children's Research Hospital finds that individualized therapy and supportive care significantly improve the survival rate of young acute myeloid leukemia (AML) patients to 71 percent three years after diagnosis. This is 20 percent better than previously reported US rates.
Research suggests that individuals taking dopamine agonist medications for Parkinson's disease are at a higher risk of developing compulsive behaviors. The DOMINION Study, which analyzed data from 3,090 patients, found that dopamine agonists were associated with an increased odds of having an impulse control disorder.
Scientists have identified a rare species of pathogenic algae causing human skin infections and septicemia. The discovery may lead to better treatment protocols and economic benefits for the dairy industry.
New research reveals that Chytrid fungus kills frog populations when infection intensity reaches a critical threshold. The study found that mass mortalities occur beyond this point, while continuous re-infection causes the disease to reach the threshold.
Competition among lizards is more important than predation by birds and snakes for survival, according to a study published in Nature. The researchers found that high-density populations favor larger size and better running ability.
The IOF-Servier Young Investigator Research Grant was awarded to two young researchers, Dr. Frank DeVries and Dr. Davide Ruffoni, for their innovative projects on osteoporosis. The grant aims to estimate the risk of fracture in patients with bariatric surgery and understand the mechanisms of implant integration in osteoporotic bone.
A new U-M study shows that advanced radiation techniques can treat head and neck cancer effectively while reducing long-term swallowing complications. The study found that up to 88% of patients were cancer-free after three years, with only one patient still requiring a feeding tube.
An international team of astronomers will conduct a closer look at the mega star birthing cloud, located 8,000 light years away in the Southern sky constellation Carina. The cloud is collapsing in on itself, offering an unusual view into behemoth star birth and providing insights into the formation of our solar system.
Scientists at Rice University have made a breakthrough in creating highly purified samples of carbon nanotube species using ultracentrifugation, a technique that can help enable the development of efficient nationwide electrical grids and critical applications in medicine and electronics.
A team of paleontologists, geochemists, and physicists used X-ray technology to analyze the Thermopolis Archaeopteryx fossil, revealing half a dozen chemical elements that were part of the living animal itself. The study confirms that feathers in the fossil are actual fossilized feathers containing phosphorus and sulfur.
Scientists identified a tiny gene mutation that alters liver enzyme production, affecting drug processing and dosing. This mutation may serve as a biomarker to predict toxicity thresholds in cancer patients and tailor medication doses.
A new study finds that some immortal cancer cells have functioning biological clocks, but these clocks don't regulate cell division. This could lead to the development of new anti-cancer therapies by targeting the biological clock pathway.
A study found that individuals with fluctuating blood pressure, in addition to high blood pressure, are at a higher risk of cerebrovascular disease. Fluctuations in blood pressure were associated with an increased risk of cerebrovascular disease, even among those with normal blood pressure.
Researchers analyzed data from 93,676 women aged 50-79 years and found that those exposed to verbal and physical abuse had lower scores on mental health assessments and greater depressive symptoms. Social visiting was also shown to be effective in improving mood and quality of life for depressed elderly individuals.
A pooled analysis of 25 trials found that consuming an average of 67 grams of nuts per day resulted in a 5.1% reduction in total cholesterol, 7.4% decrease in LDL-cholesterol, and 8.3% change in HDL-cholesterol levels.
A study published by the American Physical Therapy Association found that physical therapist-led exercise programs in ICU patients improve functional mobility and reduce hospital stays. The program involved 57 patients who received rehabilitation-based exercise sessions, resulting in a decrease of 2.1 and 3.1 days in ICU and hospital l...
Berkeley scientists have identified quantum entanglement as a natural feature of photosynthesis, enabling efficient energy harvesting and transfer. This discovery holds implications for the development of artificial photosynthesis systems and quantum-based technologies.
Mutations in Parkin cause Parkinson's disease by preventing the clearance of defective mitochondria. Cells expressing mutant Parkin fail to clear damaged mitochondria through mitophagy, a specialized autophagic pathway. This leads to the accumulation of toxic protein aggregates and neurodegeneration.
Special issue of Journal of the American College of Cardiology explores controversy surrounding cardiac imaging tests. Experts call for balance between risks and benefits, emphasizing that these tests should only be used when clinical benefit exceeds potential harm.
A 150-million-year-old 'Dinobird' fossil has been found to contain remnants of the animal's original chemistry, including phosphorous and sulfur in its feathers. The discovery could revolutionize the field of palaeontology by providing a new avenue for learning about long-extinct creatures.
The ESCEO-IOF-ABBH Young Investigator Award recognizes the work of young researchers who have made significant contributions to osteoporosis research. The award is presented to researchers under the age of 40 who have submitted high-quality abstracts to the IOF WCO-ECCEO10 congress.
A study found that widespread use of the Canadian C-spine rule by triage nurses in emergency departments would alleviate discomfort among trauma patients and streamline patient flow. The rule helps clinicians make diagnostic or therapeutic decisions about cervical spine evaluation, reducing unnecessary immobilization time.
A team of Rensselaer researchers is sending an army of microorganisms into space to investigate the effects of microgravity on biofilm formation and development. The goal is to better understand how gravity affects human-bacteria relationships, aiming to develop new ways to prevent biofilms from posing a health threat to astronauts.
A new bacterial species found in the fly that transmits African sleeping sickness has been identified as a potential tool for controlling the disease. The bacterium, named Serratia glossinae, has shown promise in killing the parasite that causes the disease and could lead to new treatment strategies.
The International Osteoporosis Foundation recommends optimal vitamin D status through serum 25OHD levels and effective sun exposure. Vitamin D deficiency is associated with decreased muscle strength, increased risk of falls and osteoporotic fractures.
Scientists at the Trudeau Institute have identified two crucial signals that enable virus-fighting T cells to migrate to the lungs, where they can fight future infections. This breakthrough could lead to the development of vaccines designed to promote respiratory immunity.
Elderly patients with localized kidney cancer may benefit from conservative care, such as observation or treatments that spare the noncancerous parts of their kidneys. The study found no significant difference in survival rates between those who had their entire kidney removed and those who received active monitoring.
Researchers found that high cholesterol levels affect bone marrow microenvironment, leading to increased exit of cells into peripheral blood. This study has implications for transplantation and understanding bone marrow malignancies.
Researchers at UCF are exploring new ways to potentially reverse the damage caused by multiple sclerosis and other neurological disorders. The team will study the breakdown of myelin, a substance that coats and protects nerves, with the goal of developing new drugs that can reverse the damage and improve patient outcomes.
Researchers at UNC Chapel Hill have received a $100,000 Grand Challenges Exploration Grant to develop a long-term, reversible male contraceptive. They plan to use therapeutic ultrasound instruments to depletion testicular sperm, making it impossible for men to father children.
Children with dyslexia exhibit structural differences in white matter fibers that affect the left-hemisphere language network. This disruption impairs reading, articulation, and speech, as the front and back parts of the brain fail to communicate effectively.
Researchers found several new bacteria originating in the mouth can travel through the blood to cause an inflammatory reaction in the placenta and lead to health issues such as miscarriages and stillbirths. Oral bacteria that colonize in the placenta can stimulate an inflammatory response leading to cervical and membrane weaknesses and...
Researchers found that patients with semantic dementia have difficulty identifying individual flavours and assessing the appropriateness of particular flavour combinations. This suggests a 'pan-modal' deficiency of knowledge in semantic dementia, affecting not just words but also common experiences like flavours.
The University of Nevada, Reno's mining engineering program has received a $2.4 million boost from the mining industry to support environmental solutions and distance education. The program will offer new classes in metallurgical engineering, with two endowed professorships and student scholarships.
Scientists used quantum mechanics to simulate silica behavior under high-temperature and pressure conditions, revealing the mineral's structure changes dramatically with depth. The study suggests the lower mantle may be devoid of silica, except in localized areas where oceanic plates have subducted.
The Massachusetts Eye and Ear Infirmary has received a five-year K12 grant from the National Institutes of Health to support junior clinician-scientists in translational and clinical research. The program provides financial support, mentorship, and protected research time.
A recent study found that surgical lens replacement in infants with congenital cataract leads to more complications than contact lenses. The study, which included 114 infants, showed no short-term visual benefit from implanted lenses and increased risk of additional operations.
A large-scale study found that restless legs syndrome clusters in families due to genetic influences and environmental effects. French-Canadian women are more affected by the condition, with siblings being three and a half times more likely to develop the disease.
A meta-analysis of fibrate drugs found significant reductions in major cardiovascular events and coronary events. Fibrates also showed a modest risk reduction for albuminuria progression, an early marker of kidney disease.
Research in unconventional polarization states of light has the potential to affect a broad range of disciplines. Beams with certain geometrical symmetries can create small focal regions of axially polarized light, essential for interacting with nanostructures and coupling to fields tightly confined to metal surfaces.
A new study by Brigham Young University finds that telephone therapy for depression is nearly as effective as face-to-face consultations. At a six-month follow-up, 42% of participants had recovered from depression, compared to 50% in similar in-person therapy.
A study found that restless legs syndrome aggregates in families, with 77% of affected individuals having a family history. Siblings and offspring are at higher risk of developing the condition, indicating potential genetic or environmental influences.
Researchers found that common seaweed species in Pacific and Caribbean Oceans can kill corals using chemical means. The study suggests that the proliferation of seaweeds may prevent natural recovery from happening at all, especially for reefs damaged by human use or overfishing.
A new ontology called SEMA4A allows specification of user characteristics and preferences to improve the adaptability of emergency notifications. The system aims to reduce fatalities by providing information in a comprehensible manner to various types of users.
A new UC Davis study found that low-wage workers are more likely to be obese due to limited access to healthier food and physical activity options. Raising minimum wages may help expand access to healthier lifestyle choices.
Researchers at PNNL present new insights into carbon capture and storage, highlighting potential deployment scenarios in the US and cost-effective opportunities in China. The technology has significant promise for mitigating climate change, with potential to reduce emissions from coal-fired power plants.
According to a new paper, large quantities of phosphorus in oceans led to vast algal blooms, pumping oxygen into the environment, allowing larger organisms to thrive. This oxygenation had major consequences for the evolution of complex life and may have played a key role in creating an oxygenated atmosphere.
University of Arizona researchers presented new findings on improving hurricane predictions and understanding the effects of tropical cyclones on the U.S. Southwest. Cloud clusters with higher symmetry are more likely to become hurricanes, and tropical storms in the eastern Pacific are linked to the Caribbean Low-Level Jet.
Researchers discovered that multiple layers of graphene retain strong heat conducting properties, making it a promising material for removing dissipated heat from electronic devices. This breakthrough could lead to the development of new technologies to keep laptops and other devices from overheating.
Researchers from NC State University developed a new model to understand how biofuel chemicals react when burned. This helps create more efficient and environmentally friendly energy sources.
Researchers found a relationship between time spent in vigorous physical activity and strength of the femoral neck, independent of diet and lifestyle. The study suggests increasing physical activity in childhood can improve skeletal bone development and reduce the risk of osteoporosis later in life.
Researchers identified copy number variations in genes that affect brain signaling, increasing the risk of schizophrenia. The study found overlaps with genes involved in autism and attention-deficit hyperactivity disorder, suggesting common pathogenesis mechanisms.
A study by Northwestern University researchers reveals that children's experience and cultural beliefs significantly influence their reasoning about the natural world. The findings challenge the long-held assumption of a universal human-centered pattern in young children's development.
Researchers at Genentech Inc. developed a way to specifically eliminate IgE-producing B cells, providing a new approach to treating asthma and other allergic diseases. The monoclonal antibody neutralizes the effects of soluble IgE molecules in the blood, reducing their levels and numbers.
The cost of cancer treatment in the US has nearly doubled over the past two decades, with private insurance and Medicaid bearing a growing burden. Inpatient hospital admissions account for a smaller share of costs, while outpatient expenditures increase.
Researchers found that a protein called hemagglutinin (HA) plays a crucial role in allowing the toxic protein to pass through the intestinal epithelial barrier. The study reveals a species-specific interaction between HA and E-cadherin, which disrupts cell-to-cell adhesion and allows the toxin to enter circulation.
A study found that individuals with a family history of type 2 diabetes gain significantly more weight after consuming excess calories compared to those without such a history. Insulin resistance, a precursor to the disease, was also observed in the genetically prone group.
A study published in Pediatrics found that almost one-quarter of young adults in Montreal used waterpipes within the past year. The research team also discovered that waterpipe users were more likely to use other psychoactive substances.