Researchers found that global brain connectivity, specifically with the left lateral prefrontal cortex, explains 10% of individual differences in intelligence. The study suggests that this connection enables flexible hub-like function, monitoring and influencing other brain regions to accomplish tasks intelligently.
Researchers discovered HIV exploits immune system by using infected T cells to travel and infect other CD4 T cells. The study used a humanized mouse model and found that infected cells carry virus to remote locations, supporting the development of new treatment strategies.
A USC-led team has developed an air-breathing battery that uses iron plates and oxygen to store energy, reducing energy loss by 4% and making it 10 times more efficient than previous models. The battery's capacity can store between 8-24 hours' worth of energy, with the potential to help California transition to renewable energy sources.
Two tropical cyclones, Typhoon Saola and Typhoon Damrey, are forecast to make landfall in China. Saola is expected to strengthen before interacting with land, while Damrey will weaken due to cooler sea surface temperatures.
Scientists have developed a method to identify new uses for existing medicines, using 11 factors to pair likely drugs with diseases. The 'Train-Match-Fit-Streamline' approach could lead to repurposing of medicines like Celebrex and hookworm treatment for cancer.
Researchers at the Ludwig Institute for Cancer Research have discovered a molecular switch, ASPP2, that regulates autophagy and senescence in cells. Reduced levels of ASPP2 can lead to unchecked cell proliferation, promoting tumor growth.
Researchers at Duke University created a system to study electron tunneling and unexpectedly found a quantum phase transition. The discovery could provide a simple model for testing environments where quantum phase transitions occur.
Scientists have developed a new transparent solar cell that produces energy by absorbing infrared light and is 66% transparent to the human eye. The device uses a photoactive plastic and a composite electrode made of silver nanowire and titanium dioxide nanoparticles.
Researchers at Université Laval have developed a blue light to help people working night shifts regulate their biological clocks and get quality sleep. Preliminary results show that exposure to the blue light can improve sleep duration and quality among shift workers.
Researchers at Stanford Medicine discovered that A-beta, a molecule linked to Alzheimer's disease, reverses paralysis and inflammation in mouse models of multiple sclerosis. The findings suggest potential new treatments for the autoimmune disease.
The air quality worldwide will be as bad as it already is nowadays in urban areas of Southeast Asia by 2050 if no action is taken. Eastern China and northern India are expected to experience drastic decreases in air quality, while the Arabian Gulf region and North America will see an increase in ozone levels.
Researchers at Michigan State University have identified a key protein called MLK3 that drives breast cancer cell migration and invasion. By targeting this protein, they hope to develop new therapies to prevent the spread of cancer.
A recent study published in the Canadian Journal of Surgery found that nearly half (43%) of patients participating in a publicly-funded adult weight management program dropped out before achieving sustainable weight loss. The drop-out rate was significantly lower for surgical patients, with only 12% exiting the program.
A comprehensive study of 4,732 adults with intellectual and developmental disabilities found a high burden of oral disease, including dental caries and periodontitis. The study highlights the need for greater awareness and preventive strategies to improve oral health in this vulnerable population.
A recent report by Queen Mary University of London reveals that congenital anomalies are underreported due to lack of national surveillance, with 2.2% of babies affected in England and Wales in 2010. The prevalence of anomalies was consistent with those in other European registers.
A new study by UCSB researchers found that adolescents with ASD can improve their social skills by playing to their strengths, such as high intelligence and specific interests. The research team created social clubs around these interests, where students with ASD could interact and make friends with peers.
A recent study by Prof. Gabriel Weimann reveals that lone wolf terrorists are not isolated individuals but part of virtual terrorist communities on the Internet. These online forums and platforms provide social environment, support, and moral encouragement to radicalize individuals and track their enlistment and training processes.
Scientists discovered virus-like genes in the DNA of a commonly studied fruit fly, which could enable research on whether animals hijack viral genes as an anti-viral defense. The study found that several types of fruit flies harbored genes similar to those that code for the sigma virus, a fly virus in the same family as rabies.
A Canadian study found that 11.2% of children in academic pediatric centers experienced adverse events, compared to 3.3% in community hospitals. Surgical patients were most likely to experience non-preventable complications.
Researchers discover antibodies to malaria surface protein PfEMP1 mediate human immunity; CCL25 pathway suppresses colon cancer metastasis; and a retargeted botulinum toxin inhibits hormone production in acromegaly.
New research from IHME found that despite increasing obesity rates in the US between 2008 and 2009, most Americans reported losing weight. Women were more attuned to their weight changes than men, while older adults were less aware of their weight shifts.
Researchers at Lawrence Berkeley National Laboratory have made the first direct observations of electron-electron interactions in graphene. The study reveals that these interactions are critical to graphene's extraordinary properties, including its superconductivity and high-speed conductivity.
A study published in Atmospheric Chemistry and Physics predicts that most of the world's population will face degraded air quality by 2050 if man-made emissions continue as usual. The average world citizen will experience similar air pollution to today's average East Asian citizen, resulting in severe health effects.
Researchers at the Smithsonian discovered that female giant wood spiders produce additional mating plugs, which harden to prevent excessive copulations. These plugs are a female adaptation to sexual conflict, preventing unwanted sex from multiple males.
A new study by University of Manchester researchers found that university maths students lack awareness of the importance of mathematical content and struggle to apply math in practice. Schools and colleges are not adequately preparing students for the transition to university learning practices.
Scientists at Harvard University have developed a new technique to achieve negative refraction in metamaterials, resulting in an 'extraordinarily strong' negative refractive index as large as -700. This breakthrough enables the localization of electromagnetic waves into ultra-subwavelength scales and dramatically reduces size.
A new system developed at Vanderbilt University aims to transform how archaeologists map large sites, providing higher resolution imagery and three-dimensional models. The SUAVe system, set to be tested in Peru, has the potential to catalog many archaeological sites quickly, addressing concerns about development and time.
A study at McGill University Health Centre found that caffeine improved motor symptoms in people with Parkinson's disease by increasing speed of movement and reducing stiffness. Larger-scale studies are needed to confirm these findings and explore caffeine as a treatment option.
A recent NIH study found that equatorial regions in Brazil experienced less severe and delayed influenza mortality during the 2009 pandemic. The study, published in PLOS ONE, suggests that climate played a key role in the dynamics of the outbreak.
Researchers analyzed jailhouse phone calls between men charged with felony domestic violence and their victims, revealing that violence often followed accusations of sexual infidelity. The study also found chronic stressors like unmet mental health needs and traditional gender roles contributed to abuse.
Researchers found that glass-former materials don't follow standard dynamics below a sub-melting point threshold, contrary to recent reports. The study highlights the need for precise viscosity data to accurately analyze their behavior.
Spouses of breast cancer patients struggle to find hope and balance in their lives, with many turning to exercise, music, and hobbies to cope. The study suggests that men need specific support and resources tailored to their needs, such as online guides and practical advice, to help manage stress and improve quality of life.
Researchers at Purdue University found that early weaning can help maintain gains and improve meat quality when fed distillers dried grains with solubles (DDGS). Cattle fed DDGS diets showed a 2.5% decrease in carcass weight but maintained average daily gain and intake.
A new study led by a UCSF researcher shows that poor sleep can significantly reduce the effectiveness of vaccines. The study found that individuals who slept fewer than six hours per night were less likely to mount an antibody response to the vaccine and thus were more likely to be unprotected by the vaccine.
Researchers at Mayo Clinic have completed the world's first genome-wide sequencing analysis of peripheral T-cell lymphomas, unlocking genetic secrets of this poorly understood and highly aggressive cancer. The study identifies 13 genomic abnormalities, including five related to production and behavior of the p53 protein.
Research reveals high percentage of poor-quality antimalarials in Guyana/Suriname, including artesunate monotherapy failures. Basic quality control tests help reduce prevalence of substandard medicines in Amazon Basin Countries
A recent study in Pakistan found limited awareness of breast cancer among most women, with many unaware of self-breast exams and clinical breast exams. However, willingness to address health issues was high, and the majority of general practitioners understood major risk factors and importance of early detection.
Researchers at MIT's CSAIL have developed Halide, a new programming language that simplifies image-processing algorithms and improves performance. The language automates code-optimization procedures, reducing the need for manual tweaking and allowing for significant speedups.
A new study by NIH researchers reveals that lymphoid tissue inducer (LTi) cells contribute to multiple sclerosis, and daclizumab appears to reduce their numbers. The drug also activates natural killer cells, which counteract autoimmunity.
A study by Cele Otnes and Linda Tuncay Zayer found that six themes emerge from the analysis, with half being negative, including skepticism, avoidance, and indifference. Men tend to react negatively to hyper-masculine stereotypes in advertising, experiencing feelings of inadequacy and vulnerability.
Researchers found that moths search for a spot to rest and adjust their body orientation to become nearly invisible to birds. The insects' behavior suggests they have an active choice of a resting spot that makes them visually camouflaged.
A study published in JAMA found that older Medicare patients who underwent cataract surgery had a 16% lower odds of hip fracture compared to those with untreated cataracts. The researchers suggested that cataract surgery may be associated with lower odds of subsequent fracture in the elderly population.
Scientists at Cold Spring Harbor Laboratory link gene mutations in Orc1 protein to extreme dwarfism and small brain size in Meier-Gorlin syndrome. The study reveals that centrosome reduplication and dysregulation of DNA replication contribute to severe manifestations of the rare condition.
Researchers have developed a protein-based coating that can help rehabilitate long-term brain function and prevent the brain's immune response from rejecting brain-computer interface electrodes. The coating, using an interleukin-1 receptor antagonist, has shown promising results in pre-clinical studies with animal models.
A new approach to treating triple negative breast cancer and clear cell renal cell carcinoma has been discovered by researchers at Mayo Clinic. The approach involves activating a potent tumor suppressor gene called sFRP1, which is silenced in these cancers. Once activated, the laboratory tumor cells stopped growing and died.
Scientists at University of Leeds used Diamond Light Source to study calcium oxide-based materials as CO2 sorbents. They found a mechanism for interaction between CaO and water, which led to disintegration and generation of nano-sized crystallites. This new knowledge aims to improve the efficiency of this economically viable method.
A Mayo Clinic-led analysis found that approximately 1.8 million Americans suffer from undiagnosed celiac disease, while 1.6 million use a gluten-free diet without medical confirmation. The study highlights the need for increased awareness and testing to accurately diagnose and treat this common condition.
Researchers have discovered a genetic process that can restore function to a defective protein responsible for cystic fibrosis. By manipulating a specific microRNA network, they were able to partially restore the protein's function and increase its production.
Patients with chronic heart failure who participated in exercise training experienced modest reductions in depressive symptoms after 12 months compared to usual care. Regular exercise was associated with lower scores on the Beck Depression Inventory II and reduced risk of mortality and hospitalizations.
A recent study published in JAMA found that endoscopic vein harvesting during coronary artery bypass surgery (CABG) has similar mortality rates and lower infection and wound complication rates compared to traditional open incision methods. The study, conducted on a large population of Medicare patients, refutes previous concerns about ...
A new study challenges conventional models assessing radiation's impact on human health, revealing a non-linear transfer of radioactive compounds in ecosystems. The research found that levels of these compounds are three times higher in fish-eating species than in non-fish-eating species.
University of Toronto researchers have developed a device that can create three-dimensional, functional tissues through a precise and controlled process. The technology uses biomaterials to form a 'mosaic hydrogel' sheet, onto which cells are seeded in specific placements, mimicking natural cell placement in living tissues.
Researchers at Penn State University found that immunization with a particular type of malaria vaccine can create conditions for the evolution of more severe disease-causing parasites. These parasites evolved in response to vaccination, but the exact mechanism is still unknown.
Researchers at USC's iLab discovered that men focus on a person's mouth when listening to an interview, while women shift their gaze between the speaker's eyes and body. Women are also more easily distracted by people entering the video frame than men.
Research in the FASEB Journal suggests that sneezing is a biological response to the nose's 'blue screen of death', and patients with sinusitis may sneeze more frequently due to inefficient clearance of mucus. This understanding could aid in the development of new treatments for chronic sinusitis.
A study of over 200,000 patients found no long-term increased risk of death with endoscopic vein graft harvesting compared to open vein-graft harvesting, while also showing a significant reduction in wound complications.
A large-scale study found that people with mental health problems have a lower life expectancy due to increased risks of cardiovascular disease and cancer. Even minor symptoms of anxiety or depression are associated with higher mortality rates.
A new study has discovered that Middle Reef, part of Australia's Great Barrier Reef, has grown more rapidly than other reefs in areas with lower levels of sediment stress. The reef thrives in water with high levels of sediment, which had previously been believed to be detrimental to growth.
A Michigan State University study reveals that people's attitudes towards tigers are influenced by benefits and pragmatic costs of having tigers nearby, suggesting a combination of psychological responses drives tolerance. The research provides critical information on how to protect species by understanding human-neighbour relationships.
A new UH experiment evaluates whether changing perpetrator communication skills can improve arguments and reduce abuse. The study found that interventions worked to decrease aggressive behavior, contemptuous behavior, and criticism.