A new hyperspectral camera has captured the first-ever images of auroras, revealing a previously unknown atmospheric phenomenon. The camera's unprecedented capabilities have enabled scientists to study auroras in unprecedented clarity, revealing subtle changes in atmospheric behavior.
Researchers have found that dual-agent chemotherapy resistance in ovarian cancer arises from unique genetic changes, distinct from single-agent resistance. This discovery may lead to new strategies for overcoming resistance and improving treatment outcomes.
Scientists have mapped a weak spot in the parasite that causes African sleeping sickness, providing a promising target for treating the disease. The study uses X-ray lasers to determine the structure of biological molecules, which could lead to the development of a new drug.
A study found that essential oils reduce blood pressure and heart rate in people exposed for less than an hour, but prolonged exposure is associated with increased heart rate and blood pressure. This suggests that aromatherapy may be beneficial for cardiovascular health when used correctly.
Researchers at Gladstone Institutes have identified a key underlying process implicated in MS, offering new hope for therapies to treat the disease. The discovery reveals that a protein called fibrinogen sets off an immune response in the brain, leading to nerve cell damage and debilitating symptoms.
A total of 42 reptile species were found in Lenáois Maranhenses National Park, with approximately 80% living in restinga habitats. The park's ecosystems are threatened by human activities such as off-road vehicle use and path creation, which could harm the environment and potentially endangered species like sea turtles.
Researchers exposed a possible Achilles' heel of the sleeping sickness parasite by solving its molecular structure with an X-ray laser. The discovery reveals a unique plug that can selectively block a vital enzyme, potentially killing the parasite without harming humans.
Scientists at IRB Barcelona created a Drosophila melanogaster fly model that reproduces the steps of healthy cell transformation into cancer. The model can help identify genes and molecules involved in cancer progression, potentially leading to specific treatments for cells with genomic instability.
Climate scientists analyzed satellite observations and computer model simulations to find a human-caused climate change signal. The study found that tropospheric and stratospheric temperature changes are related to human activities, with the lower stratosphere cooling due to ozone depletion.
An international team of satellite experts has produced the most accurate assessment of ice losses from Antarctica and Greenland to date, confirming both regions are losing ice. The study reveals that melting of the Antarctic and Greenland ice sheets has contributed significantly to global sea level rise over the past two decades.
A new Caltech study suggests the Grand Canyon was formed over 70 million years ago, contradicting conventional models of its creation. The research uses a novel method to analyze ancient rocks and provides crucial insights into the canyon's incision.
A new study finds that men and women with smaller finger ratios self-reported higher levels of verbal aggression. The research suggests that prenatal testosterone may play a role in the development of verbal aggression, providing new insights for therapists and communication scientists.
Study finds that people can't accurately judge emotions from facial expressions alone but can recognize them through body language. The researchers tested this with dozens of real-life intense images and found that participants were unable to tell apart positive and negative faces.
Astronomers have discovered a black hole with 17 billion solar masses in the heart of a small galaxy, NGC 1277. This massive object challenges current models of galaxy evolution and could be the largest known black hole of its kind.
Recent studies have elucidated the mechanisms of lanthanide biological actions, indicating that these metals can alter neural functions. High doses and chronic exposure are associated with neural system damage, particularly in pregnant and lactating animals.
Four Pacific Northwest National Laboratory scientists, Nigel Browning, Allison Campbell, Anthony Peurrung, and Douglas Ray, have been elected as AAAS fellows. They were recognized for their contributions to electron microscopy, thin film synthesis, radiation detection, and national security programs.
A team of researchers led by Professor Mingjun Zhang discovered the secret behind the whirligig beetle's high propulsive efficiency, which inspired the development of energy-efficient propulsion mechanisms for swimming vehicles and robots. The key to the beetle's efficiency lies in its unique leg functions, alternative patterns of leg ...
Scientists have discovered several toxins in sea anemones that could be used as new generation of insecticides. These toxins disable ion channels, potentially leading to the development of pain and cardiac disorder treatments.
Research reveals IkBNS promotes formation of Foxp3, key feature of regulatory T cells, and influences NFkB family of transcription factors. Manipulating IkBNS could lead to therapeutic breakthroughs for autoimmune diseases and inflammation.
Lung cancer researchers at St. Joseph's Hospital and Medical Center identified a gene involved in non-small cell lung cancer tumor growth, leading to potential new treatments that inhibit tumor growth. The study found that the Fn14 gene is elevated in NSCLC tumors and promotes migration and invasion.
A novel imaging method based on SISAR is proposed to extract the target profile accurately in forward scatter radar (FSR). The method can effectively deduce the target type, such as a cruise missile or unmanned aerial vehicle. Simulations are conducted to evaluate the validity of the algorithm, showing promising results for stealth tar...
Four University of Cincinnati faculty members, including President Santa Ono and professors Bruce Ault, Prabir Bhattacharya, and Alvaro Puga, have been named AAAS Fellows for their contributions to science and research. The university now has 24 faculty members who are AAAS Fellows.
Researchers applied infectious disease control principles to track 2,366 homicides in Newark, NJ, finding patterns that evolved over time. The study identified areas with no homicide clusters, suggesting community resistance factors that can be targeted to reduce violence.
New research suggests that planets orbiting white or brown dwarfs are unlikely to support life due to the cooling and shrinking of their habitable zones. The study's findings indicate that such planets would have had to undergo a 'sterilization phase' in the past, making them dead for hosting life.
A Baylor University study suggests that chelation therapy, a popular autism treatment, is ineffective and potentially harmful. The research found methodological weaknesses in existing studies on chelation, which could contribute to cardiac problems and other serious side effects.
USDA scientists identify urban runoff as a significant source of E. coli bacteria in California's middle Santa Ana River Watershed. The study found that pathogens are more often carried into waterways via urban runoff than animal production facilities, highlighting the need for improved water quality management.
Researchers have discovered how two proteins regulate telomeres, the protective caps on chromosome ends. The POT-1/TTP-1 complex promotes telomerase activity, a key target for anti-cancer drugs.
A team of Harvard engineers and chemists are working on a one-year, $600,000 grant from ARPA-E to develop a new type of storage battery that uses eco-friendly small organic molecules. The technology aims to make stationary energy storage cost-effective, enabling wind and solar power to displace fossil fuels more widely.
Seven University of Minnesota faculty members have been named AAAS Fellows for their groundbreaking research and innovative efforts in science. They were recognized in four different sections, including geology, physics, pharmaceutical sciences, and biological sciences.
A study by researchers at the Perelman School of Medicine reveals how T-cell exhaustion occurs in chronic viral infections, with implications for novel therapies. The team found that two distinct classes of virus-specific CD8+ T cells work together to keep the infection in check, but their long-term pressure depletes progenitor pools.
Researchers at NYU Langone Medical Center have identified two genes, Hoxa5 and Hoxc5, that establish the neuronal circuits required for breathing. The discovery could advance treatments for spinal cord injuries and neurodegenerative diseases like ALS.
A new study by a University of North Carolina sociologist found that organizations spreading negative messages about Muslims have gained traction in the media, stoking public fears and anti-Muslim sentiment. The research tracked over 50,000 TV transcripts and newspaper articles from 2001 to 2008, revealing a significant rise in negativ...
A new study from the University of Missouri found that brief interventions, as short as 30 minutes, can significantly improve exercise habits in college students. Participants who received personalized feedback and set health goals reported increased physical activity compared to those who did not receive the intervention.
A study by Oregon State University researchers found that young surgical residents made major mistakes nearly half the time during simulated gall bladder removals due to distractions in the operating room. The analysis showed that young surgeons, particularly those in the afternoon, struggled with interruptions and conversations.
A new program will explore solutions for preserving high-energy physics data from the LHC, Fermilab Tevatron, and other research communities. The team aims to develop a global data and software preservation infrastructure.
Seven University of Tennessee professors have been named AAAS fellows, recognized for their contributions to discovery and education. The new fellows include experts in physics, nuclear security, polymer chemistry, microbiology, anthropology, and information sciences.
A new study reveals how Human Cytomegalovirus (HCMV) co-opts cells' abilities to repair themselves, leading to preferential repair of the viral genome. The research, published in PLOS Pathogens, shows that HCMV-infected cells can efficiently repair their own DNA but not the viral DNA, with implications for developing antiviral therapies.
A €26.4 million European public-private partnership, led by the University of Manchester and GlaxoSmithKline, aims to create sustainable pharmaceuticals manufacturing processes using biotechnology. The CHEM21 project will establish a European research hub to develop training packages and provide information on green chemistry.
Susan Celniker, a leading expert in genomic analysis of Drosophila, and Wim Leemans, a world leader in laser plasma acceleration, have been named AAAS Fellows for their outstanding contributions to science. They were recognized by their peers for their pioneering work in genomics, genetics, and laser-plasma particle beam research.
A new study published in PLOS ONE reveals that human stem cells are resistant to human cytomegalovirus (HCMV), a leading cause of congenital intellectual disability and deafness. The research findings suggest that HCMV infection distorts cell differentiation, leading to impaired brain maturation and intellectual ability.
Researchers found that men with higher visceral and total abdominal fat had lower failure load and stiffness, two measures of bone strength. Muscle mass was also positively associated with bone strength. The study suggests that excess belly fat is a risk factor for bone loss in obese men.
A panel of experts recommends more research on the health effects of medical imaging and ways to reduce unnecessary CT tests, as well as industry standardization of CT machines. The experts stress that despite widespread public concern about radiation risks, the biologic effects from medical imaging tests are not entirely understood.
Researchers found that high levels of COUP-TFII can overcome a natural barrier to prostate cancer progression, allowing tumor cells to grow and spread throughout the body. The study suggests that COUP-TFII is an important 'second hit' for the progression of prostate cancer and metastasis.
A study at Cedars-Sinai found that the common drug tadalafil reversed the effects of a biochemical chain in patients with Becker muscular dystrophy, improving blood flow and oxygenation. The researchers plan longer-term studies to determine if this strategy can slow the course of the disease.
A record-setting X-ray jet has been detected 12.4 billion light years from Earth, providing a glimpse into the explosive activity associated with supermassive black holes in the early universe. The jet is thought to be boosted by cosmic background radiation and points almost directly toward us.
Researchers discovered that microRNA-223 regulates the brain's response to oxygen deprivation and glutamate signals, offering a potential protective mechanism against stroke-induced brain damage. The molecule's broad regulatory effects raise questions about its therapeutic application.
Researchers at Johns Hopkins Kimmel Cancer Center have created a test that combines blood DNA analysis with genome sequencing to detect cancers. The new approach was successful in identifying cancer-specific chromosome changes in the blood of patients, but may require larger clinical trials to determine its effectiveness.
The Geosphere journal has published 17 new studies on various topics including the Hosgri strike-slip fault zone, Mount Katmai's eruptive history, and the Barreirinhas Basin in Brazil. These studies provide insights into shallow structure, geomorphology, volcanic eruptions, and climate-tectonic interactions.
Researchers found a significant association between NSAID use and reduced risk of hepatocellular carcinoma (HCC) and death from chronic liver disease. Aspirin use was found to have the strongest protective effect, with participants experiencing a 41% reduced risk of HCC and 45% reduced risk of CLD mortality.
Researchers successfully produce intricate pieces using 3-D printing, which offers benefits over traditional manufacturing methods. The technology also enables easy sharing of designs, allowing for better replication of experiments and collaboration among soil scientists.
A study published in Nature Neuroscience reveals that social isolation can reduce myelin production in mice, affecting the formation of new oligodendrocytes and leading to behavioral changes. Reintroduction into a social group reverses these effects, suggesting environmental factors play a crucial role in maintaining healthy nerve cells.
Researchers develop principles to generate ideal protein structures by consistently favoring specific folding patterns. This allows for the creation of robust and stable building blocks for engineered functional proteins, which could be useful in drug development, vaccine creation, and industrial applications.
A study found that 93% of new couches purchased in the last seven years contained flame retardants. The most concerning were 'Tris' chemicals, which are considered probable human carcinogens and have raised health concerns. Researchers detected untested or high-risk flame retardants in over half of the analyzed foam samples.
A new study demonstrates that a targeted therapy, selumetinib, and chemotherapy work better together than chemotherapy alone in treating patients with KRAS-mutant non-small cell lung cancer. The combination improved patient survival by 3.2 months and showed significant tumor shrinkage, offering hope for a potential new treatment strategy.
Researchers from North Carolina State University and the University of Oregon have found a way to use cloud-based Web browsers for large-scale computing tasks anonymously. This exploitation has potential ramifications for the security of cloud browser services.
A set of chemical tools simplifies the creation of potential new drug compounds, enabling previously time- and cost-prohibitive chemical modifications. The toolkit works in a variety of conditions, including water and biological media.
A new study published in Frontiers in Human Neuroscience found that children from low socioeconomic status work harder to filter out irrelevant environmental information than those from a high-income background. This is due to learned differences in what they pay attention to, which requires more mental effort.
Researchers have identified a genetic variant associated with an increased risk of autoimmune diseases like type 1 diabetes. In a mouse model study, turning off the PTPN22 gene reduced the risk of autoimmune diabetes and increased regulatory T cells.
Research suggests that times of economic hardship can limit the inclusiveness of people's racial in-groups, making them more likely to categorize biracial faces as Black. The study found that participants exposed to scarce resources were more likely to do so compared to those exposed to abundant resources.
Two tiny algae, Bigelowellia natans and Guillardia theta, have complex genomes with unique genes and alternative splicing, challenging the paradigm that complex splicing is limited to multicellular organisms. The study sheds light on photosynthesis as a dynamic property and provides insights into eukaryotic evolution.