Researchers from the Niels Bohr Institute used new analytical techniques to reconstruct past temperatures in Greenland ice cores, contradicting a long-held assumption. By analyzing oxygen isotope O18 and nitrogen content, they found that central Greenland was warmer around 12,000 years ago compared to 15,000 years ago.
A new breast cancer radiation trial offers once-weekly regimens with no adverse effects, resulting in better completion rates and lowered costs. The study found that this approach allows for more convenience and choice for patients, improving their ability to complete treatment, while reducing costs by up to 50-60%.
Researchers discovered a unique population of neurons in the lateral intraparietal area that shift their sensitivity to color and direction based on what's being attended. This study provides new insights into how the brain combines visual information for decision-making and higher-order processes.
NASA's Aqua satellite captured remnants of Tropical Depression Dolly over northeastern Mexico on Sept. 3, showing a band of thunderstorms spiraling over the Texas/Mexico border. The TRMM satellite detected moderate to heavy rainfall in southern Texas due to low-to-mid-level moisture from Dolly's remnants.
Researchers have developed a new reprogramming factor cocktail that produces high-quality induced pluripotent stem cells with fewer genetic abnormalities. The SNEL combination outperforms existing methods, such as OSKM, in terms of cell quality and efficiency.
The Lancet has published new international growth standards for fetal development, providing accurate measurements of ideal growth from conception to birth. These standards will help identify signs of under-nutrition, stunting, wasting, and overweight in newborns, enabling early intervention to reduce long-term health problems.
Researchers develop a novel method to determine how T cells differentiate into specialized types of cells that help eradicate infected cells. The study identifies two previously unknown factors, Cyclin T1 and Cdk9, which work together during T cell differentiation.
Research finds that brain regions associated with learning and emotion regulation are activated when people perceive control over setbacks, promoting persistence. This knowledge has implications for education and treatment programs.
Research led by UC Riverside scientist James O. Sickman found declining levels of carbonaceous particles in Sierra Nevada lakes, indicating improved air quality and reduced acid rain. This decline has allowed sensitive aquatic species to thrive, preserving native clams, zooplankton, sponges, and invertebrates.
A recent study found a significant increase in liver injury caused by herbals and dietary supplements in the US population over a ten-year period. Non-bodybuilding supplements were more likely to result in death or liver transplantation compared to conventional medications.
A study published in Neuron found that the brain has an intrinsic anti-addiction response that can be boosted to prevent relapse. This 'anti-relapse' circuitry remodeling is induced by cocaine exposure and decreases craving, offering new neurobiological targets for interventions.
Researchers have developed a new theoretical model that explains how nanostructures like the nano-pea pod can exhibit localized electrons. The findings reveal that localised electrons' appearance is strongly dependent on the variation of the length of the connecting wires in the bent chain.
A study from the University of Bristol and Bergen found that geological factors like rock area drive biodiversity, rather than measures like fossil collections or formations. This discovery alters our understanding of life's history through time.
Researchers found a link between residential geography, time spent in the sun, and XFS risk. Wearing sunglasses for summer hours reduced odds of XFS by 2%.
A University of Kentucky research team has made a surprising discovery about oxidized LDL's role in cholesterol transport. The findings indicate that mildly oxidized LDL may actually prevent increases in cholesterol accumulation in arterial walls, potentially leading to new treatments for heart disease.
The Rosetta-Alice spectrograph has obtained the first far ultraviolet spectra of a cometary surface, revealing an unusually dark comet surface and no large water-ice patches. Hydrogen and oxygen have been detected in the comet's coma.
Researchers at Memorial Sloan Kettering Cancer Center have successfully grown prostate cancer organoids from human tumors, providing a new tool for testing cancer drugs and personalizing treatment. The addition of these organoids doubles the number of existing prostate cancer cell lines, offering a more accurate representation of the d...
A new study by researchers at Johns Hopkins Bloomberg School of Public Health suggests that normal-weight nutrition and exercise counselors report feeling significantly more successful in getting their obese patients to lose weight than those who are overweight or obese. Patients may be more receptive to those who practice what they pr...
The BitSeq method has been found to produce clearly the most reliable results in measuring gene expression, outperforming other methods in accuracy and efficiency. The approach accounts for uncertainty and error in RNA-seq data, providing a more accurate representation of gene expression levels.
A new study suggests that spending time outdoors may contribute to the development of exfoliation syndrome in the eyes. The research found a link between UV radiation and the condition, with people living at higher latitudes and spending more time outside having a greater risk of developing XFS.
Researchers created a new membrane that can remove harmful greenhouse gases from the atmosphere, including carbon dioxide, at a lower cost and higher efficiency than current technologies.
A new INFORMS study finds that customer experience plays a crucial role in influencing purchase decisions during good economic times. The researchers discovered that customers focus on past experiences and satisfaction levels when the economy is strong, leading to increased revenue gains for firms that improve customer experience.
A new study documents the warming of Greenland's large ice sheet at the end of the last ice age, resolving a long-standing paradox over when that warming occurred. The researchers used nitrogen isotope ratios to reconstruct air temperatures and found significant warming in response to increasing atmospheric CO2.
A recent study published in Journal of the American Society of Nephrology found that CKD patients who experience multiple heart failure hospitalizations are at a higher risk of developing kidney failure. The study's findings suggest that coordinated care between specialists is crucial in managing these patients.
A recent study co-authored by a University of Georgia researcher found that the U.S. government is making effective use of social mediators to bridge communication with people around the world. Social media engagement was found to be medium-high for both formal and informal social mediators, but low for news media.
Researchers at the University of Leicester have identified a genetic connection between day-length measurement and seasonal adaptation in flies. The study found that flies exposed to short days become more cold-resistant, reflecting the importance of photoperiodic timing for survival.
A new series on child deaths in high-income countries reveals that many deaths are preventable, with socioeconomic factors playing a significant role. The series calls for improved healthcare services and social policies to tackle child poverty and reduce inequality.
Researchers at Lund University discovered inflammation and changes in the intestinal barrier function early in MS, indicating a potential link to disease progression. The study suggests that damage to the intestinal barrier may prevent the body from ending an autoimmune reaction, leading to chronic diseases like MS.
Researchers identified rare stem cells in testis that produce PAX7, helping give rise to new sperm cells and potentially restoring fertility. These stem cells were found to be highly resistant to cancer treatments, suggesting they may play a key role in recovering fertility.
A recent study found that postmenopausal women who consume higher amounts of potassium are less likely to experience strokes and die. Fruits and vegetables are rich sources of potassium and may help lower blood pressure and reduce the risk of stroke and death among older women.
Scientists sequenced the coffee plant genome to uncover its unique characteristics. The study found that genes related to caffeine production evolved independently in coffee, tea, and chocolate, suggesting that coffee developed its own pathways for caffeine production.
The Hartman Foundation is investing $300,000 in the co-op program to provide real-world learning experiences for engineering students. The foundation aims to increase participation and make the program more accessible.
Researchers from Penn and Florida developed a plant-based approach to prevent antibodies forming against clotting factor proteins in people with hemophilia. This method, which uses genetically modified plants to induce tolerance, showed promise in preventing inhibitor formation and even reversing it in mice.
A massive 85-foot-long and 65-ton dinosaur, Dreadnoughtus schrani, has been discovered with the most complete skeleton ever found of its type. The fossil offers an unprecedented window into the anatomy and biomechanics of this giant animal.
The largest land animal for which mass can be accurately calculated, Dreadnoughtus measures 85 feet in length and is estimated to weigh around 65 tons. Its nearly complete skeleton provides unprecedented insights into the anatomy and biomechanics of massive animals that once roamed Earth.
A phase III trial found that continuous REVLIMID (lenalidomide) with dexamethasone improved progression-free survival and reduced risk of disease progression compared to standard treatment. Patients treated with continuous REVLIMID plus dexamethasone showed a significant reduction in risk of progression or death.
Researchers at UC Santa Barbara have developed a highly sensitive biosensor using molybdenum disulfide, offering improved scalability and mass production capabilities. The material's wide band gap enables accurate readings with reduced leakage current.
Researchers have adapted a biomedical technique to study the ocean, revealing how single-celled marine organisms and ecosystems are operating. By measuring proteins, scientists can identify biochemical reactions happening within organisms and diagnose how the oceans respond to pollution and climate change.
Researchers have successfully visualized the effects of transcranial magnetic stimulation (TMS) on neurons in real-time using voltage-sensitive dyes. The high-resolution imaging data may lead to optimized TMS parameters and learning processes for treating neurological diseases.
Researchers have identified a potential therapeutic approach against Ebola virus infection by targeting cellular proteins critical for the virus's functions. Oubain, a drug previously used to treat heart disease, has been shown to reduce virus replication in infected cells.
A new study finds that India's ground-level ozone pollution damages millions of tons of major crops, including wheat and rice, each year, with losses estimated at over $1 billion. The damage is enough to feed tens of millions of people living in poverty, highlighting the need for policy changes to address ozone pollution.
Research shows that mothers living in greener neighborhoods are more likely to deliver at full term and their babies are born at higher weights. The study controlled for factors such as air pollution and neighborhood walkability.
Researchers found desert long-eared bats changed their diet from mostly scorpions on the ground to catching flying insects when prey was scarce. The change involved altered call and flight behavior, indicating potential flexibility in echolocation.
A global research agenda is necessary to address the challenges of climate-smart agriculture, which aims to improve farm productivity while maintaining ecosystem services. The initiative focuses on three key areas: farm and food systems, landscape and regional issues, and institutional and policy matters.
Hurricane Norbert's visible bands of thunderstorms spiraled into the center in NASA satellite imagery on September 4, but lost some organization due to easterly vertical wind shear. The hurricane is forecast to track parallel along the coast of Baja California for the next couple of days.
Gold nanoparticles work as catalysts to speed chemical reactions despite being inert metals. Researchers have now fully understood the role of water in this process, revealing its crucial role as a co-catalyst for transforming carbon monoxide into carbon dioxide.
A team of researchers from the Centre for Genomic Regulation in Barcelona has identified a key protein involved in stem cell reprogramming, Nanog. The study reveals how Nanog works with another protein, beta-catenin, to maintain stem cells in a pluripotent state.
A recent study published in JNCI Journal of the National Cancer Institute found that soy supplementation altered the expression of genes associated with breast cancer. The study involved 140 patients who were randomized to either soy supplementation or placebo, and observed changes in several genes that promote cell cycle progression a...
A new study uses genetically modified plants to teach the immune system to tolerate clotting factors, reducing the risk of antibody formation. The treatment, which involves feeding mice with plant capsules, has shown promising results and may offer a cost-effective alternative to current treatments.
Key studies explored preventive mastectomy, compliance with recommended screening mammography, and risk of recurrence after pre-surgery therapy. The symposium featured insights into patient decision-making and post-treatment risks, aiming to enhance treatment approaches and patient care.
Researchers at the University of Georgia have found that people with more yellow pigment in their eyes can see better in hazy conditions. The study suggests that eating leafy green vegetables can help maintain healthy vision.
Researchers have identified a gene network that fuels aggressive Acute Myeloid Leukemia and its precursor disease Myelodysplastic Syndrome. Inhibiting a key protein in this network may prevent leukemia cell growth and expansion.
Researchers found the avian H3N8 flu virus, which killed harbor seals, can spread through respiratory droplets and pose a threat to humans. Human immunity to the virus is lacking, raising concerns about possible person-to-person airborne spread.
Researchers at University of Utah found that emotional reactions to film formats are similar. The study used 408 subjects and measured physiological responses to 2-D and 3-D clips from popular films.
A recent study found that public trust in others and confidence in societal institutions have reached their lowest point in over three decades. The decline is attributed to the increasing wealth gap and poverty, leading to a perception of distrust among people towards each other and large corporations.
Mantle plumes may be responsible for breaking up continents, according to a new study. The researchers used high-resolution computer simulations to demonstrate how the interaction between a plume and a plate under tensile stress can lead to continental breakup, forming rift systems and creating volcanoes.
A new exercise referral scheme is being tested with the addition of web-based coaching to see if it can increase patient engagement and achieve public health targets. The study aims to investigate the cost-effectiveness and effectiveness of this approach in improving physical activity and overall health.
A new Comment in The Lancet calls for a Global Health Systems Fund to prevent future infectious disease crises and strengthen health infrastructure. The proposed fund would address human resource shortages and fragile health systems that contributed to the devastating Ebola outbreak.
A recent WHO-commissioned review of evidence on e-cigarettes contains important errors and misinterpretations that may put policy-makers and the public in danger. The authors argue that e-cigarettes are much safer than cigarettes and could have significant public health benefits if regulated correctly.
A recent study found that APOE ε4 and APOC1 H2 gene polymorphisms are associated with increased risk of cognitive decline in Chinese patients with late-onset Alzheimer's disease. The findings suggest a potential genetic link between these genes and cognitive impairment progression in this population.