The observed ocean warming has contributed significantly to global average sea level rise, with a 20mm increase over the past 53 years. The thermosteric component of sea level change is one of several factors affecting sea level, including glacier melting and freshwater transfer.
Scientists report significant pressure on Mediterranean-climate regions' biodiversity due to urbanization and agriculture, impacting plant and animal species. The study highlights the need for accelerated conservation action to outpace threats in this unique ecosystem.
Researchers at McMaster University have discovered a new way bacteria evolve into pathogens by rewiring regulatory DNA. This finding has significant implications for identifying and assigning risk to emerging diseases.
Commercial weight-loss programs create unrealistic expectations and false beliefs, highlighting the need for regulation. Governments must require accreditation of providers and supply evidence-based information for claims.
A study found that nearly 1 in 5 children with sensorineural hearing loss also have ocular disorders. Genetic testing showed that GJB2 mutations are associated with hearing loss but not additional anomalies. Early diagnosis and treatment of eye problems can benefit these patients.
Dan Akerib, Chair of the Case Western Reserve University Physics Department, has been elected an American Physical Society (APS) Fellow for his significant contributions to direct dark matter detection experiments. He will discuss current and planned research in 'The Search for Dark Matter' at the AAAS conference on February 16.
The Collaborative Center on Multidisciplinary Sciences (CCMS) will investigate futuristic aircraft designs such as SensorCraft, flapping micro-air vehicles, and supersonic long-range strike aircraft. Initial funding of $2.25 million for five years will support the center's efforts.
Theoretical physicist Lawrence Krauss warns of a bleak future for the universe, driven by its flatness and the dominant form of energy in empty space. This shift in understanding has profound implications for our questions about the nature of reality.
The Greenland ice sheet is expected to melt, causing a 23-foot sea level rise, while Antarctica's ice sheet could add up to 190 feet. Recent studies show that the ice sheets are melting faster than snow replacement.
A study of nearly 157,000 people found that those with a family history of melanoma were nearly twice as likely to develop Parkinson's disease. Researchers suggest that the two diseases may share common genetic components.
A study by Helmholtz Center researchers reveals that acute hepatitis B infection triggers chronic liver disease through altered T helper cell function. The team identified specific genes and immune mechanisms involved in the development of chronic hepatitis B, shedding light on potential diagnostic markers and treatment options.
Researchers found that patients who lost at least 9% of body weight showed reversal of their liver damage, while those who lost 5% or more experienced improvement in insulin resistance and fat accumulation. Weight loss was the key factor in improving fatty liver disease.
A new study in Annals of Internal Medicine argues that Medicare's current method for covering off-label uses of cancer drugs is based on an inconsistent and outdated source. The researchers found that the compendia methods varied greatly from their actual practices, and little evidence was cited by the authors of the compendia.
Researchers identified AEG1 as a gene and protein crucial for HCC progression, suggesting targeting it may be a new therapeutic strategy. Overexpression of AEG1 accelerated tumor growth in mouse models.
A new study by University of Illinois researchers warns that ethanol plants can pose significant risks to local economies. The research found that employment gains from ethanol plants are often overstated and that the industry is plagued by uncertainties such as shifts in energy policy, global economics, and changing technology.
A new study uses video imaging to reveal dynamic changes in airway structure during sleep and wakefulness, providing valuable insights into obstructive sleep apnea. The technique shows that the soft palate is more elongated and angled in patients with sleep apnea, even when they are awake.
Researchers found that high-frequency telephone counseling with a dietician resulted in the same amount of weight loss as face-to-face counseling for obese patients taking sibutramine. Wider use of statins could be a cost-effective strategy to prevent heart disease, but may require reevaluation if pill costs are lower.
A study found that teaching hospitals have a survival benefit for white patients after surgical complications, but this advantage does not extend to black patients. The disparity may be due to varying levels of monitoring and care involvement by physicians-in-training.
A study led by Duke researchers found that compendia used by oncologists and pharmacists to guide off-label cancer drug prescribing often lack updated information and inconsistent evidence. The compendia's varying methods of reviewing and updating evidence can lead to confusion and incorrect treatment decisions.
Trinity College Dublin scientists have developed a more efficient system for detecting viruses, which uses micro-sized cantilevers to directly detect viruses binding to membrane proteins. This technology has the potential to enable portable diagnostic devices and specific blood tests.
Case Western Reserve researchers are investigating the physical and chemical consequences of sunlight absorption by toxic nitro-aromatic pollutants in the environment. The goal is to understand how these compounds transform into more harmful products and predict their environmental fate.
Researchers found that one-year survival of elderly patients undergoing percutaneous coronary intervention was comparable to younger patients. Data suggest age alone should not prevent more aggressive care in these patients.
Researchers at the University of Liverpool aim to quantify cellular proteins in baker's yeast, a model organism for studying metabolism, neurodegenerative diseases, and aging. The study may lead to a deeper understanding of how cells operate and how they fail to perform their normal functions in the human body.
A study found that sun-safe pool policies are associated with improved sun safety behaviors among outdoor staff, leading to fewer reported sunburns. The program also promotes healthy sun protection habits and creates a work environment conducive to developing these habits.
Researchers at UC San Diego and Stanford University have identified a molecular mechanism that predicts the progression of chronic myeloid leukemia (CML) to its more dangerous blast crisis stage. This discovery may enable physicians to make more accurate prognoses and improve treatment choices.
Rice University Assistant Professor Jamie Padgett has been chosen as a 'New Face of Engineering', representing civil engineering, with research focused on identifying hazards to bridges and infrastructure. She aims to provide policymakers with tools for socially conscious infrastructure risk assessment and mitigation.
A new study reveals that the majority of US states have laws consistent with or neutral toward the CDC's revised HIV testing guidelines. Despite concerns about opt-out screening, the study finds protections for patient autonomy are not required by state laws in many cases.
Researchers found that blocking macrophage migration inhibitory factor (MIF) protein activity can reduce the incidence and severity of skin cancer tumors in mice. The study suggests a link between MIF and chronic inflammation, which precedes skin cancer development after long-term sun exposure.
A study found that white patients have better survival rates after surgery at teaching hospitals compared to nonteaching hospitals, but this advantage does not apply to black patients. The disparity exists across different hospitals and within the same hospital for both racial groups.
A Northwestern Memorial study found that integrated team training and pre-operative discussions significantly improved staff communication and teamwork, reducing operating room errors. The study revealed a direct correlation between enhanced teamwork and a safer, more efficient operating environment.
A Duke University-led team has developed a computer program that can redesign enzymes to produce natural antibiotics. The algorithm, called K*, sorts through possible shapes and changes of the key enzyme that produces gramicidin S, a natural antibiotic. This new technique may pave the way for more automated redesign of old drugs.
Researchers at the University of Texas Medical Branch discovered a major virulence factor for Rift Valley fever virus that has a dual mechanism. The protein NSs promotes viral replication by attacking a host cell protein, preventing interferon beta production and allowing the virus to replicate unchecked.
Scientists at North Carolina State University have found that Lactobacillus acidophilus can deliver vaccines into the small intestine, where they trigger an immune response. The approach could potentially be used to create oral vaccines for other viruses and pathogens.
Research suggests that peer victimization during adolescence may predict sexual behavior later in life. Female victims tend to have sex at earlier ages and more partners, while male victims face reduced opportunities. The study's findings imply a possible evolutionary link between aggression and reproductive access.
A systematic review of insulin analogues found that they have minimal impact on managing type 1 and 2 diabetes, as well as gestational diabetes. However, rapid-acting insulin analogues may be cost-effective for adults with type 1 diabetes. Experts recommend educational programs to manage sugar levels over insulin analogues.
Astronomers are studying a mysterious gamma-ray emission from the center of the Milky Way galaxy, which is surprising given the presence of massive stars and black holes. The emission is thought to be caused by exotic particles such as dark matter or the decay of radioactive elements.
Scientists have successfully derived brain stem cells from human embryonic stem cells, providing a continual in vitro supply of diverse types of neural cells. These cells can serve as an inexhaustible source for studying neurodegenerative diseases and possible active agents directly in human neural cells.
A 6-part CMAJ series tackles antibiotic resistance in hospitals, clinics, and homes, providing practical treatment guidelines. Enhanced monitoring, hand washing, and infection control measures can help limit the spread of resistant microbes in Canada.
A Michigan State University researcher argues that the US is well ahead of the world in scientific literacy due to its general education requirements. These requirements make Americans more open-minded about innovations and allow for a broader understanding of science in other disciplines such as law. Despite this, most adults lack suf...
Researchers found that converting Conservation Reserve Program grasslands to bioenergy grain crops does not result in significant loss of sequestered soil organic carbon. No-till farming practices can conserve and even enhance soil carbon sequestration in these areas.
A study by University of Notre Dame biologist Giles Duffield and his team sheds new light on the circadian clock's response to light signals, focusing on the Inhibitor of DNA-binding 2 (Id2) gene. The research has important implications for understanding the development and functioning of the circadian clock in the brain and peripheral...
Researchers at Rice University have created a precise image of a virus' protective coat, containing 5 million atoms. The image provides the clearest picture yet of the viruses' genome-encasing shell called a 'capsid', which could lead to new approaches for antiviral therapies and gene delivery.
Researchers found that breast cancer cells can be made to express a transporter, allowing pyruvate to enter and induce cell death. The study aims to develop a new therapeutic target for fighting breast cancer.
A study of 170 military personnel who were evacuated from combat zones found that 34% were diagnosed with dermatitis or general skin inflammation. The study highlights the importance of identifying individuals with chronic skin conditions before deployment to reduce evacuations and improve combat effectiveness.
The new guidelines recommend using breast MRI to supplement standard imaging tools like mammography and ultrasound, particularly for detecting cancer in the contralateral breast. The guidelines also highlight the importance of clear standards for technical parameters and performance measures for clinical sites offering MRI services.
Scientists have turned a benign adeno-associated virus into a highly infectious form that can effectively deliver a gene to lung cells, potentially curing cystic fibrosis. The new strain was created by forcing evolution to increase infectivity several hundred-fold, overcoming previous limitations in gene therapy.
Researchers have identified novel genetic markers associated with an increased risk of heart attack, which are more than twice as great in individuals carrying multiple genetic markers. The study found that genes on chromosomes 3 and 12 play a crucial role in cardiovascular biology.
Researchers at University of Cincinnati discovered that estrogen receptors are present in medulloblastoma, the most common type of pediatric brain tumor. This finding suggests that anti-estrogen drug treatments may be beneficial in limiting tumor progression and improving patient outcomes.
Researchers using South Pole Telescope aim to detect extremely weak gravity waves produced by cosmic inflation. The detection could provide conclusive evidence for the theory, ruling out competing ideas for the universe's origin.
Scientists at the University of Warwick found that tiny nanoparticles can stick to liquid-liquid interfaces with increased ease, deviating from the standard model. This discovery has significant implications for the design of materials and technologies such as composite materials, quantum dots, and polymer paints.
Researchers have identified a gene AEG1 that plays a key role in human liver cancer progression. Targeting this gene may provide new therapeutic options for treating liver cancer. Additionally, adenosine signaling has been linked to alcohol-induced fatty liver disease in mice, suggesting potential treatments involving adenosine receptors.
A growing threat of food counterfeiting and contamination is outpacing international regulatory systems, with the US Food and Drug Administration inspecting only 1.8% of its imported food supply. Michigan State University researchers are calling for increased corporate responsibility and risk-based inspections to address this issue.
Researchers found that aldosterone levels were directly correlated with blood pressure levels and related changes in blood vessel function. Higher aldosterone levels were also associated with lower kidney blood flow and greater extremity blood vessel stiffness.
The accelerating urbanization presents a critical component in maintaining stable societies and ensuring quality of life. The integration of information technology into conventional infrastructure systems poses significant challenges due to the complexity of interactions between various systems.
A new study published in JACC: Cardiovascular Interventions found significant improvement in migraines following catheter-based closure of patent foramen ovale. Patients with severe migraine, large PFO, and silent brain lesions showed greater numbers of patients who had cessation of migraine attacks and over 50% reduction in migraine a...
A new study has found a potential link between a gene variant and the risk of stroke and heart attacks in women who experience migraines. Women who carried certain genotypes were found to be at double the risk of stroke and heart attacks, while those with other genotypes were not. Further research is needed to confirm these findings.
Researchers found that local climate moderates the relationship between temperature, precipitation and dengue incidence. Climate patterns affect mosquito reproduction and virus development.
A recent study in Crop Science proposes data-driven methods to group breeding programs compatible for germplasm exchange. The researchers identified three mega-targets of selection among barley breeding programs, which could produce adapted genotypes with high yields.
Researchers used Nuclear Magnetic Resonance spectroscopy to analyze the structure of Tau, identifying structural properties and fast motions. This breakthrough provides insights into how phosphorylation alters binding to microtubules, leading to nerve cell damage.
A recent study by Henry Ford Health found that Arab-American women in southeast Detroit have dangerously low vitamin D levels, averaging 8.5 ng/mL, with those who wore the hijab showing even lower levels of 4 ng/mL. The researchers recommend supplementing with a vitamin D supplement to address this deficiency.