Researchers have discovered a new primitive dinosaur species, Tawa hallae, in northern New Mexico with nearly complete skeletons providing insights into the evolutionary path of dinosaurs towards birds. The species, likely a meat-eater, had air sacs in its braincase and neck areas.
Researchers at the University of Illinois have designed a synthetic protein that mimics both the structure and function of nitric-oxide reductase, a key enzyme in the nitrogen cycle. The protein, which uses myoglobin as a scaffold, provides an excellent model for studying this enzyme and creating biocatalysts.
A team of researchers from the University of Manchester and University of Houston used advanced analytical techniques to test volcanic gases, revealing a clear meteorite signature that suggests the atmosphere came from outer space. The study's findings imply that ancient Earth's oceans also originated from extraterrestrial materials.
Researchers have discovered a correlation between excess gene copies and the severity of mental illness in males, with more copies leading to more serious handicaps. The study identifies GDI1 as the responsible gene on the X-chromosome, revealing a new mechanism for genetic disorders.
Giovanni Ossola's NSF-funded project aims to improve the accuracy of LHC computations using his OPP Method. He plans to involve students in the experiment, promoting stronger ties between CERN and City Tech.
A new study reveals that at least 1,250 and possibly more venomous catfish species exist, with North American species using their venom mainly to defend against predatory fish. The research also sheds light on the evolutionary origins of catfish venom glands.
Elena Baena-González will investigate how plants respond to stress and allocate energy stores, aiming to improve crop yields. Her research focuses on the SnRK1 protein, which is conserved across species, including mammals.
Researchers used Category Theory to explain why specific reasoning skills, such as Transitive Inference and Class Inclusion, develop in children around age five. These skills involve applying two lines of thinking simultaneously, allowing children to understand complex relationships between objects.
The new guidelines offer a range of therapeutic options and provide evidence-based recommendations for treating brain metastases. The guidelines aim to improve patient outcomes by identifying best treatment practices and fostering support for ongoing research.
Researchers studied gait to identify physical signs of Parkinson's disease in its early stages. The team found that people with Parkinson's had significantly asymmetrical arm swings compared to those without the disease.
Research shows Italy's poor are more likely to be hospitalized with avoidable conditions, mirroring global patterns. Socio-economic disparities exacerbate the issue, particularly among males and those aged 45-64.
A new study reveals that physical education teaching staff's responsibility, social interaction, and competence influence students' enjoyment of physical activities. Dispositional flow, a psychological state allowing optimal task engagement, is linked to these factors.
James A. Wells, a UCSF professor and director of the small molecule discovery center, has made groundbreaking contributions to protein engineering and discovery. He integrates multiple disciplines to design molecules that selectively activate or inhibit cellular processes.
Physicists in Sweden create a formula to identify distinct author styles by analyzing word frequencies in literature, challenging George Kingsley Zipf's maxim. The 'meta book' concept represents an imaginary infinite book containing each author's unique word frequency characteristics.
The Nuclear Regulatory Commission has awarded Penn State's nuclear engineering program nearly $1 million to boost nuclear education and expand the workforce. The funding will support a radiochemistry education program with a new laboratory course providing hands-on experience for students.
A landmark study by Dr. Kathy Albain of Loyola University Health System found that chemotherapy improves survival in postmenopausal breast cancer patients, while a multigene test can identify those who may not benefit from chemotherapy. The study established the standard of care for tamoxifen treatment in relation to chemotherapy.
Researchers analyze genetic diversity of 280 individuals from Armenia and Georgia, comparing with results from Russia and Turkey. They establish a core collection of 27 trees capturing 93% of alleles, making M. orientalis more accessible for breeding and research communities.
Scientists have found that activating Retinoid X Receptor (RXR) increases dopamine cell survival in models of Parkinson's disease, providing a novel strategy for treating the condition. The study used two cellular models to explore the neuroprotective function of RXR ligands LG268 and XCT.
Researchers discuss consent, privacy and clinical translation issues in iPS cell study. The emergence of iPS cells adds new challenges to the legal and social debates in stem-cell science.
A study of over 40,000 Danish patients found that those taking more than one anti-bleeding medication after a heart attack were at higher risk of non-fatal and fatal bleeding. Non-fatal bleeding was also associated with an increased risk of repeat heart attacks or death.
A recent study published in Nature Geoscience suggests that the climate may be 30-50 percent more sensitive to atmospheric carbon dioxide than previously thought. This increased sensitivity could lead to more accurate long-term projections and a better understanding of climate change's impacts on global temperatures.
A new software package called CLASlite is revolutionizing forest monitoring by automatically identifying deforestation and forest degradation from satellite imagery. The technology has been adopted by 70 organizations in five countries and is being rapidly disseminated to support international policy discussions.
A new pan-tropical forest mapping initiative, launched at COP15, aims to provide accurate data on forest cover and carbon stocks. The project combines satellite and lidar data from NASA and JAXA, enabling countries to build robust national carbon accounting systems.
A new study by the Kaiser Permanente Division of Research found that moderate alcohol consumption is associated with a 30% increased risk of breast cancer recurrence. Post-menopausal and overweight women may be most susceptible, regardless of type of alcohol consumed.
Researchers aim to develop a database of nanoparticle behavior, enabling the prediction of particle fate and design of targeted treatments. Eight classes of nanoparticles will be studied in a two-year project.
Researchers at Berkeley Lab have identified a new genetic mutation in the H1N1 flu virus that enables it to replicate in humans. The SR polymorphism mutation enhances polymerase activity and potentially pathogenesis of the virus in humans.
The UT Southwestern Medical Center program will train Ph.D. students in translational medicine through a yearlong curriculum and clinical research opportunities.
A new mechanical string blossom thinner prototype significantly increased fruit size and reduced labor costs in peach production. The study found that the horizontal string trimmer resulted in improved fruit quality and reduced hand-thinning time, leading to cost savings for growers.
A new system, MultiLearn, allows up to four students to share a single computer for interactive math problems, effectively quadrupling the number of computers available. Early tests show that elementary school students are able to work independently on their own pace without distraction.
High-resolution computer simulations reveal that North Atlantic water enters the Arctic Ocean through three main routes: Fram Strait, Barents Sea northern branch, and southern branch. This study provides a comprehensive understanding of ocean climate change mechanisms.
The facility will contain testbeds for building systems integration, allowing researchers to develop and validate technologies for N-ZEB. Berkeley Lab will work with industry partners to address key technical challenges and achieve aggressive energy savings.
Researchers at UT Southwestern Medical Center discovered that a naturally occurring molecule in muscle tissue can slow the progression of Lou Gehrig's disease (ALS) in mice. The study suggests that the molecule, microRNA-206, may be used to develop potential therapies for ALS by promoting nerve regeneration and delaying symptoms.
Researchers created algorithm to systematically analyze cancer cell pathways and reveal regulatory code in DNA. This breakthrough could lead to more precise treatments and improve patient outcomes.
The discovery of Tawa hallae, a 213-million-year-old carnivorous dinosaur from New Mexico, reveals that early dinosaurs originated in South America and dispersed across Pangea before splitting into separate continents. Fossil analysis suggests that climate, possibly related to latitude, controlled the distribution of some reptile species.
Researchers at Rice University and Baylor College of Medicine found a previously unrealized role of receptor-binding residues in host evasion, which could be a bottleneck for the virus. This discovery may lead to more efficient vaccine design not only for H1N1 but also for other strains of the flu.
David W. Russell has received the 2010 Avanti Award in Lipids for his groundbreaking work on cholesterol metabolism and oxysterol function. His laboratory has elucidated the enzymatic pathways responsible for cholesterol breakdown and identified genes involved in related diseases.
A study of 73 Southeast Asian and East Asian populations reveals a high correlation between genetic ancestry and ethnic groups, contradicting previous theories. Genetic diversity increases from northern to southern latitudes, suggesting a single major migration route from Southeast Asia.
Researchers computationally and experimentally discovered molecular pathways for proteins to change shape without unfolding. They found that proteins follow transient, bridging states lasting less than a nanosecond, enabling function while avoiding unfolding.
A study published in Personality and Social Psychology Bulletin found that hourly wage-earners experience stronger relationships between income and happiness. The researchers theorize that the focus on concrete paychecks influences the level of happiness felt by hourly workers.
The NIH is launching a $37 million program to develop more effective interventions to reduce obesity by applying findings from basic behavioral and social sciences. The program will fund interdisciplinary teams conducting experimental research, formative studies, and pilot trials to identify promising new approaches.
Scientists at EMBL identify Notch signalling pathway as critical component of heart muscle cell communication, leading to heart defects and cardiac malformations in Alagille syndrome. Re-activating Notch improves adult mouse heart function after heart attack, offering new therapeutic potential.
David Bocian, a professor of biophysical and materials chemistry at UCR, is leading a research project to develop more efficient solar cells using natural photosynthetic systems. The goal is to create flexible, cost-effective solar cells that can be integrated with textiles.
A new review emphasizes the need for cardio-oncology to address cardiovascular side effects of cancer treatments. The authors suggest identifying high-risk patients with biomarkers and imaging techniques to reduce morbidity and mortality.
Research found moderate to heavy alcohol consumption increased breast cancer recurrence risk by 1.3-fold, with wine being the most popular choice among drinkers. Postmenopausal and overweight participants were more susceptible to the effects of alcohol on recurrence.
Researchers found that medications used to treat substance addictions can also help suppress the urge to gamble, particularly for those driven by urge. Medications targeting the brain opioid system or catechol-O-methyl-transferase (COMT) enzyme showed positive outcomes in treating pathological gambling disorder.
A study of 124,260 prescriptions in 19 UK hospitals found an error rate of 8.9% with potentially lethal mistakes in 1.7% of cases. Improving clinical working environments, undergraduate education, and introducing standard drug charts are recommended to reduce errors.
A rare primitive theropod, Tawa hallae, has been discovered in New Mexican sediments from the Upper Triassic period, forcing a redefinition of early dinosaur evolution. The fossil finds evidence of air sacks and pneumatization in birds, showing that these traits are more primitive than previously thought.
Researchers found that MRI coupled with mammography detected almost all cancers at an early stage in high-risk women, resulting in smaller cancer sizes and fewer advanced cases. This alternative screening method may convince healthcare providers to recommend yearly MRI and mammography over surgical removal of the breast.
Researchers at the Salk Institute found that slowing aging in mice with Alzheimer's-like symptoms prevented brain damage and impaired cognitive function. The study suggests that modulating the IGF-1 signaling pathway can have a protective effect against Alzheimer's disease.
Researchers at Karolinska Institutet identify polyphosphate as a key player in the formation of blood clots and inflammation. The study suggests that phosphatases can break down polyphosphate, preventing both conditions.
A new analysis by the ASB Partnership reveals that a porous definition of forest in the REDD plan could lead to large areas of deforested landscapes being overlooked. The researchers propose broadening the plan to include all alterations to land cover that release or retain greenhouse gases.
The Cassini spacecraft confirmed that reddish dust infalling on Saturn's moon Iapetus is responsible for its 'yin-yang' appearance. Water ice migration and evaporation also contribute to the extreme brightness differences between the two hemispheres.
A study published in the Journal of the American College of Surgeons found that the ACS NSQIP is a powerful tool for assessing outcomes of uncommon, high-risk surgical procedures like pancreatic necrosectomy. Patients undergoing this procedure had better outcomes than predicted, with lower mortality rates and less postoperative morbidity.
Researchers have discovered a blood clotting agent that can be targeted without affecting normal wound healing, offering potential improvements over existing anticoagulant drugs. The findings suggest polyphosphate or factor XII could be new targets for drug development to reduce thrombosis risk.
Research suggests that integrating horticulture lessons into the classroom can significantly boost student test scores in science and environmental awareness. In a study, middle school students who received hands-on horticulture lessons showed substantial improvements in post-test scores, with increases of up to 25 points in some cases.
A phase 3 trial found that adding chemotherapy to tamoxifen treatment significantly improves disease-free survival in postmenopausal women with node-positive breast cancer. The benefit is maximized when tamoxifen follows chemotherapy.
Researchers from Berkeley Lab are measuring gas dispersion in Boston's subway system as part of a DHS study. The data will help develop next-generation biological and chemical agent detector systems, as well as inform planning for fires and other emergencies.
Researchers have discovered techniques to increase yield and extend the fruiting season of blackberries, providing economic bonuses for growers and consumers. The newly developed 'primocane-fruiting' variety allows for harvests in the fall and winter months, offering improved production efforts.
Researchers at MIT and Boston University have identified a novel mechanism by which the drug hydroxyurea kills bacteria, inducing the production of toxic molecules that ultimately lead to cell death. This discovery raises the possibility of developing new antibiotics that target similar mechanisms.
The discovery of Tawa, a new meat-eating dinosaur, has resolved a long-standing debate about the evolutionary relationships between dinosaurs. The fossil remains reveal that Tawa shares characteristics with both theropod and non-theropod dinosaurs, confirming Herrerasaurus as a member of the theropod lineage.
Researchers found that tubercle formation is a critical step in TB infection, and that epithelial cells produce MMP9 enzyme to recruit macrophages. Blocking this pathway may lead to new therapies for TB and other inflammatory conditions.
Researchers at UCLA have genetically modified a cyanobacterium to consume carbon dioxide and produce isobutanol, a potential gasoline alternative. This method recycles carbon dioxide, reducing greenhouse gas emissions, and uses solar energy, making it an efficient and less expensive approach than current biofuel production methods.
A recent study by the American Society for Horticultural Science found that vermicompost derived from pig manure can produce healthy hibiscus plants. The treatment resulted in improved plant growth and flower production, with an average increase of 58% in plant dry weight and 93% more flowers compared to conventional nursery crop inputs.
Researchers at the North East England Stem Cell Institute have developed a successful stem cell therapy to treat Limbal Stem Cell Deficiency (LSCD), a painful and blinding disease. The treatment, which uses patients' own stem cells without immunosuppression, shows promise for restoring sight in hundreds of people.
Researchers have discovered a molecular mechanism that can be arrested in human cancer cells, causing them to die without affecting normal body cells. The compound, initially developed for stroke prevention, was found to be effective against breast cancer cells with no toxicity to normal cells.
Keller's groundbreaking studies on membrane lipids have revealed how lipid composition affects cell membrane physical parameters and protein activity. Her work has opened a new area of study, with colleagues praising her thorough analyses and phase diagrams as the gold standard in membrane research.
A team of researchers has identified the Chd1 gene as a crucial regulator of open chromatin in embryonic stem cells, enabling their ability to differentiate into any cell type. The study provides important insights into the mechanisms of stem cell pluripotency and opens up new avenues for the development of stem cell therapies.
The USGS estimates that the nation's forests and soils could store an additional 3-7 billion metric tons of carbon, equivalent to 2-4 years of US CO2 emissions. This potential is achieved by using agricultural lands for planting forests.
The Eukaryotic Pathogen Genome Database Resource has been expanded with a new contract to support worldwide research into human pathogens. The database provides tools for identifying vaccine antigens and drug targets, facilitating the search for effective diagnostics.
A landmark study confirms that chemotherapy with tamoxifen improves survival rates for postmenopausal women with estrogen receptor-positive breast cancer. A second study identifies a subset of patients who may not benefit from chemotherapy despite being at higher risk, suggesting a potential need to reassess treatment guidelines.
Ancient DNA analysis reveals new horse species in Eurasia and South America, with the Cape zebra found to be a large variant of the modern Plains zebra, while a small hippidion horse was discovered in South America. A new ass species also appears related to European fossils dating back 1.5 million years.
A recent study published in the Journal of the American Society of Nephrology found that carotid endarterectomy surgery significantly reduces the risk of future strokes in patients with chronic kidney disease. The procedure was shown to be safe and effective, without increasing the risk of death from surgical complications.
Researchers at Argonne National Laboratory are developing a way to control the Casimir force, which attracts objects at the nanoscale. The goal is to limit its attractive properties and make it repulsive, enabling frictionless motion through nanolevitation for novel NEMS devices.
A major study led by Jose-Luis Jimenez from the University of Colorado at Boulder has discovered a common ground in organic material floating through the skies, leading to more accurate predictions of air quality and climate. The finding presents a workable solution that will improve the speed and accuracy of prediction models.
Experts surveyed lawn care and landscape professionals about disease- and insect-resistant plants, finding that respondents believe these plants will increase business benefits and client satisfaction. The survey results show that fewer than 4% of respondents are concerned about the impact on their businesses.
Researchers found significant spatial variations in land movement along the US Atlantic coast, with mid-Atlantic regions subsiding twice as much as northern and southern areas. Coastal subsidence enhances sea-level rise, leading to shoreline erosion and loss of wetlands.
Scientists have developed a method to control the buildup of hydrogen fluoride gas during crystal growth, leading to improved production and performance of materials. The new approach uses an HF absorber material to selectively remove hydrogen fluoride, preserving the uniformity of the crystal growth environment.
Research by Stylianos Kavadias and Svenja C. Sommer suggests that brainstorming techniques are more effective when participants from different specialties collaborate to develop simpler products. The study found that in highly technical products, specialists work individually before collaborating through 'nominal' groups.
A new study found that the abundance of roundscale spearfish, a look-alike species of white marlin, clouds the accuracy of past population size assessments. This misidentification might have impacted management efforts and highlights the need for updated biological knowledge on white marlin.
Scientists at the University of Pennsylvania School of Medicine have developed a new model of skin cancer that sheds light on the role of Src kinase and its anti-oncogene counterpart, Srcasm. The study found that Fyn, a member of the Src family of proteins, is a potent oncogene in skin cancer, while Srcasm levels are decreased and acti...
Researchers at the University of Michigan have discovered a way to stabilize proteins by linking their stability to antibiotic resistance in bacteria. This method enables easy selection for stabilizing mutations, rendering proteins more resistant to unfolding and increasing their practical utility.
Researchers have identified cardiac myosin-binding protein C as a potential new diagnostic biomarker for heart attacks, particularly useful for mild attacks. cMyBP-C becomes nearly 20 fold more abundant than before within 5 minutes following a heart attack, suggesting its value in early diagnosis.
Researchers employed a novel combination of geological and model reconstructions to address spatial variations in sea-level history along the east coast of England. Sediment compaction explained the variations in sea-level observations, revealing striking correlations to the thickness of overlying sediment.
Researchers at miRagen Therapeutics discovered microRNA-206 plays a crucial role in ALS progression and neuromuscular synaptic regeneration. This finding could lead to novel therapeutic interventions for neuromuscular disorders, offering hope for patients suffering from ALS and other diseases.
Astronomers study the galaxy's most active black-hole binary, revealing a dramatic change in the accretion disk's behavior. The Suzaku observations show that at low brightness, the inner edge of the disk retreats up to 600 miles from the black hole.
College students who practice retrieving knowledge through self-testing learn more effectively than those who rely on repetitive note reading. The key is not dropping flashcards once mastered, as retrieval fluency can create an illusion of learning.
A study published in HortScience found that ornamental canna plants are effective in removing nitrogen and phosphorus from stormwater runoff. Harvesting the above-ground biomass of canna can effectively remove these pollutants from the treatment system.
Researchers found that grassland vegetation in both Switzerland and England improved its water storage potential as temperatures rose and CO2 levels increased. However, the effective water-use efficiency remained unchanged in Switzerland due to drier air, while a springtime increase was observed in England.
Cyclone Cleo's maximum sustained winds dropped to 69 mph as it moved into an area with increased vertical wind shear, further weakening the storm. The tropical storm is forecast to become extra-tropical over the next several days.
The industry is shifting towards organic methods, with growers citing environmental concerns and a desire to reduce their ecological footprint. Organic bedding plant producers face challenges such as insect and disease management, fertility issues, and substrate problems, highlighting the need for future research in this area.
A study found that 44% of patients believe they are receiving a medication they don't need, and 96% cannot recall at least one prescribed medication. The study highlights the importance of patient knowledge in preventing medication errors.
Research highlights new techniques to assess PTSD, identify biomarkers for schizophrenia, and develop treatment for gambling addiction. These breakthroughs may lead to earlier diagnosis and personalized treatment strategies.
Researchers at EMBL uncover gene Foxl2 that maintains female traits in adult mice, reversing default pathway. The study has implications for reproductive medicine and may help treat sex differentiation disorders.
Women with high BMI have poorer breast cancer prognosis, with increased risk of death and reduced treatment effectiveness. Researchers found that adjuvant treatment loses its effect more rapidly in obese patients.
Researchers studying the model organism Daphnia pulex found that introns are inserted into the genome far more frequently than predicted, with many sequences of unknown origin. The study identified 'hot spots' for intron insertion and discovered parallel intron gains in independent genotypes.
Observers can accurately judge aspects of a stranger's personality from photographs, with self-esteem and ratings of extraversion being correctly identified. The study found that spontaneous poses provided more insight into personality traits such as agreeableness, emotional stability, and openness.