Researchers found that bees prefer conical-celled petals with a rough surface, allowing for better grip and easier nectar extraction. This adaptation enables bees to efficiently collect nectar from flowers in windy or wet conditions.
A new study suggests that cytomegalovirus (CMV) is a cause of high blood pressure, a leading risk factor for heart disease, stroke and kidney disease. The virus can lead to the development of atherosclerosis, or hardening of the arteries, when coupled with other risk factors.
A new study by University of Rochester researchers shows that striving for materialistic goals like wealth and fame can actually decrease happiness. In contrast, focusing on personal growth, relationships, and community involvement leads to greater well-being.
A study by Canadian researchers found that nursing professionals emigrate to the US for formal education support, full-time employment, and graduate degree opportunities. This depletion of nursing human capital threatens Canadian healthcare systems.
Researchers at Mayo Clinic found that pazopanib stops new blood vessel growth, slowing aggressive differentiated thyroid cancer. The treatment showed promising results in about two-thirds of patients with fast-growing cancers that had spread to lungs and other organs.
A study by University of Utah researchers identified a protein called C-terminal binding protein 1 (CTBP1) as the spark that initiates colon polyp formation. This new information opens possibilities for developing future treatments to prevent tumor progression.
A study published by Mayo Clinic researchers found that pregabalin decreases hot flash severity and frequency, offering a treatment option for women who cannot take hormonal therapies or antidepressants. The medication appears to have a similar benefit as gabapentin and newer classes of antidepressants, with a lower dosage requirement.
Researchers found that adding epratuzumab to a regimen of R-CHOP resulted in an overall 12-month survival rate of 88 percent in patients with diffuse large B-cell lymphoma. The combination was also shown to offer improved progression-free survival rates, particularly for high-risk patients.
A study by University of California, San Diego researchers found that polypharmacology can explain the failure of cholesterol-controlling drugs like Torcetrapib. By analyzing protein-drug interaction networks, they identified potential off-target effects and proposed a novel computational strategy to design safer pharmaceuticals.
A three-year research partnership aims to improve the characterization of Victoria's sedimentary basins, attracting investment and increasing resource estimates. The project will also enhance understanding of geological carbon dioxide storage and geothermal resources.
A recent study has identified four risk factors that can predict survival outcomes for men with metastatic prostate cancer, enabling doctors to choose more effective treatments. The researchers used data from over 1,000 patients and found that pain levels, anemia, cancer spread, and bone progression were key indicators of prognosis.
A recent study found that catheter ablation is more effective than drugs in treating atrial fibrillation, with 63% of patients free of arrhythmias one year after treatment. The procedure involves destroying heart tissue responsible for erratic electrical signals, resulting in improved quality of life and reduced symptoms.
A landmark follow-up study found that ICDs reduce the risk of death from any cause by 37 percent in heart attack survivors, translating to 1.2 life-years saved, and greatly amplifying their value as a chronic therapy.
Scientists have successfully regulated the formation of G-quadruplexes by influencing the distance and solution conditions. This controlled self-assembly enables the creation of complex structures with unique characteristics.
A new study by researchers at the Lombardi Comprehensive Cancer Center found that mothers who disclose their BRCA1 or BRCA2 genetic alterations to their children experience a more open parent-child communication relationship. Mothers are more likely to discuss test results with their children, especially when testing reveals no alterat...
The analysis of a 100-million-year-old termite in amber has revealed the oldest example of mutualism between an animal and microorganism, showing that termites depend on protozoa to digest wood. The study also found new fossil flagellate species, a new species of termite, and other discoveries.
Researchers identified a common genetic variant associated with reduced ability to quit smoking during pregnancy. The study found that women carrying the addictive gene were less likely to stop smoking during pregnancy compared to those without it.
The fellowships will investigate how individuals develop their ideas about security and insecurity, exploring the impact of language, images, and symbolism on risk perception. The programme aims to generate knowledge and develop understanding of global uncertainties, informing effective strategies for prevention and mitigation.
Researchers at the McGill University Health Centre found that folic acid fortification in grain products led to a significant decrease in congenital heart defects. The rate of these defects decreased by 6.2% per year after 1999, according to provincial databases.
Scientists have developed non-blinking semiconductor nanocrystals, overcoming a long-standing challenge in their applications. The discovery enables the use of nanocrystals in devices like low-threshold lasers and solar cells, as well as biological imaging and tracking.
The ACLU is challenging the patentability of two human genes linked to breast and ovarian cancer, alleging that gene patents stifle life science research. The organization claims that the patents are invalid and unconstitutional, with supporters arguing that they would harm patients and limit medical research.
Research suggests that avian influenza viruses struggle to grow and spread in the human nose due to its cooler temperature, making it less likely to cause respiratory illness. The study also found that mutated viruses with proteins from avian influenza viruses are unlikely to thrive at human nose temperatures.
The collaboration aims to better understand the industry's needs and ensure expertise and capabilities are used effectively. BHP Billiton plans to relocate 15 researchers to the Queensland Centre for Advanced Technologies from July 2009.
Researchers have dated mountain-building events in the eastern Andes range of Colombia to 25 million years ago, contradicting previous estimates of 10-15 million years. This new finding sheds light on the geological history of the region and its importance for understanding ancient animal migration patterns and oil-gas exploration.
Researchers at Duke University Medical Center studied monkeys playing a game similar to
Direct measurement of graphene's energy spectrum reveals unevenly spaced energy levels and a 'zero energy state.' The findings support the idea that graphene layers are uncoupled from adjacent layers due to their unique stacking orientations.
The European Society of Cardiology's joint consensus document on catheter ablation for ventricular arrhythmias emphasizes the need for more clinical trials and registries to determine its long-term impact. Key unanswered questions include the efficacy, comparative success rates of drug and ablative therapies.
A new study reveals that mother birds provide an early advantage to extra-pair offspring, giving them a size and survival advantage over their half-siblings. This non-genetic effect is attributed to the laying order of eggs, with extra-pair chicks hatching earlier than within-pair chicks.
The study reveals that ERK1 and ERK2 proteins trigger a chain of chemical sequences that bring about the release of the egg, transformation of granulosa cells into luteal cells, and production of progesterone. The finding has implications for treating infertility and developing new means to prevent pregnancy.
The American Society of Nephrology (ASN) has developed an online curriculum to educate physicians about managing elderly patients with kidney disease. The curriculum addresses gaps in training and provides a comprehensive resource for geriatric nephrology care.
A new study by Dr. Yuval Kalish suggests that some networking strategies can lead to 'social potholes,' harming individuals and businesses. Filling structural holes can bring short-term gains but long-term costs, and authenticity is key for peace-builders.
The study reveals that interleukin-21 is a crucial protein for the cross-talk between killer T-cells and helper T-cells. Its absence leads to failure of the immune system's anti-viral efforts, resulting in uncontrolled infections.
Researchers at Fox Chase Cancer Center have discovered a genetic pattern that can help predict how patients with gastrointestinal stromal tumors respond to the targeted therapy imatinib mesylate. By analyzing tumor specimens, they found genes that could be suppressed to enhance the effectiveness of imatinib therapy.
The study reveals that human activities are directly linked to the intensity of forest fires in Indonesia, with population density and land use being key factors. The research also highlights the impact of climate change and other meteorological phenomena on fire frequency and severity.
A University of Illinois study found significant declines in professional services and social support for adoptive families over three years, despite parents needing continued assistance. Families require ongoing access to professionals, informal support networks, and peer support to help their children thrive.
Two recent studies by the University of Cincinnati team found that LAM patients are more likely to participate in clinical trials due to a shared cause and altruism. The research also shows that CT scans given to young women with a collapsed lung can be cost-effective and beneficial in diagnosing the disease.
Researchers have isolated a new species of bacteria that can break down cholesterol, a contaminant found in urban sewage residues. The novel organism, Gordonia cholesterolivorans, has the potential to clean up cholesterol-related contamination and could be used for industrial applications.
Scientists at Washington University in St. Louis developed a bimetallic fuel cell catalyst that is two to five times more effective than commercial catalysts. The novel technique enables a cost-effective fuel cell technology with potential for cleaner use of fuels worldwide.
Researchers have developed a mouse model of Wolfram Syndrome, linking CISD2 gene function to mitochondrial integrity and aging. CISD2-deficient mice display premature aging, decreased body weight, and degeneration of optic and muscular tissues.
Researchers identified cancer stem cells in breast cancer patients' bone marrow, which correlated with tumor's lymph node involvement and worse prognosis. The study suggests a need for novel biological therapies targeting these cells, and may lead to better monitoring of patients needing additional treatment.
A recent study at Fox Chase Cancer Center found that most parents share their BRCA1/2 test results with their children, with only 9% reporting negative reactions. The age of the child and parent cancer history were key factors in determining whether or not to share the results.
Researchers at NYU Langone Medical Center report early promise in animal studies for a novel antiparasitic drug as a potential treatment for metastatic melanoma. Additionally, the study found associations between specific microRNAs and patient survival in metastatic melanoma and early-stage lung cancer.
A new study found that the West Antarctic Ice Sheet's collapse would raise global sea levels by only 3.3 meters, not the previously estimated 5-6 meters, with US coastal areas experiencing a 25% increase in sea level rise, posing significant threats to cities like New York and San Francisco.
Urgent care centers (UCCs) tend to be open outside of office hours and offer a wider range of services than primary care offices. They have significantly expanded hours of operation and provide services like fracture care, suturing lacerations, and x-rays, more commonly associated with emergency departments.
A study by the Academy of Finland found that up to 20% of female upper secondary school students experience school burnout, characterized by feelings of inadequacy and cynicism. In contrast, enthusiasm for school is a protective factor, predicting successful transitions to further education.
Huygens, the Dutch national supercomputer, establishes a new world record in Go by winning a 19x19 competition with a 7-stones handicap. The victory is made possible by the French software MoGo TITAN, which runs on Huygens and utilizes the Monte-Carlo Tree Search algorithm.
A national survey of physician practices found that physicians spend an average of three work weeks per year on administrative tasks required by health plans. This translates to a cost of $31 billion annually and 6.9% of all U.S. expenditures for physician and clinical services.
Researchers used sophisticated statistical analyses to study genomic patterns of human population structure, revealing 18 significant axes of variation. These findings provide insights into the history of human evolution, evolutionary forces shaping local populations, and geographic correlations with genetic variation.
A new technology allows student doctors to practice operations on simulators before trying them out on real patients. Researchers found that simulation training improved success rates for inserting central lines into major veins.
A new study reveals that child brains are differently organized than adult brains, but still capable of performing complex cognitive tasks. Researchers found that young brains have localized networks based on physical proximity, which transition to long-distance networks centered on functionality as children mature.
Patients and physicians found virtual visits similar to face-to-face visits on most measures, including time spent with the physician and overall satisfaction. The study suggests that virtual visits could be a viable option for chronic conditions and acute issues.
Researchers at the Mayo Clinic have found a triple drug combination to be an effective and tolerable option for treating metastatic HER2+ breast cancer. The regimen, which combines capecitabine, vinorelbine, and trastuzumab, has shown promising results in reducing tumor size and improving survival rates compared to traditional treatments.
The exhibition features 48 works chosen from over 200 submissions, highlighting the aesthetic value of scientific images. The online gallery allows public voting for the 'people's choice' award, with cash prizes awarded to top three entrants.
Research in Management Science reveals that recommender systems can create self-reinforcing cycles favoring popular items, reducing diversity and serving consumers and producers poorly. To mitigate this issue, designers must consider modifications to limit popularity effects and promote exploration in their recommender systems.
A team of researchers used nanopores to investigate the movement of DNA in a gel, finding that larger pores reduce resistance and calculations based solely on electrostatic forces did not accurately predict results. The study's unique combination of techniques offers promising developments in single molecule techniques.
A study by Fox Chase Cancer Center found that targeted educational initiatives improved the number of lymph nodes retrieved during colorectal cancer surgery. The interventions increased the percentage of operations with at least 12 nodes removed over four years, leading to more accurate staging and improved survival for patients.
MDC researchers have elucidated a molecular mechanism that regulates the equilibrium between bone formation and bone resorption. They found that two different forms of a gene switch – LAP and LIP – determine this process. The study suggests that an imbalance in the ratio between these two isoforms may play a role in osteoporosis.
Data from two presentations will feature Perforomist Inhalation Solution, showing improved pulmonary function and dyspnea in patients with COPD when added to maintenance tiotropium. Patient satisfaction also increased in those treated with Perforomist twice daily compared to ipratropium/albuterol MDI
A study by Fox Chase Cancer Center found that approximately 17% of individuals were at high-risk, while 70% were at moderate-to-high risk. The researchers emphasize the importance of accurately assessing cancer risk to provide targeted prevention support.
A study found that 45% of older women with early-stage breast cancer choose chemotherapy, higher than the national average. The researchers suggest that these women are weighing risks and benefits more thoroughly, making informed decisions about their treatment.