Researchers identified a new protein that protects sensory cells in the ear, crucial for maintaining potassium balance and preventing intoxication. The study found mutations in the claudin-9 gene lead to functional defective sensory cells, highlighting the importance of this protein in hearing.
Researchers at Duke University Medical Center propose that the appendix serves a critical function as a safe haven for good bacteria. A new study reveals the appendix is more widespread and has been around for at least 80 million years than previously thought, contradicting Darwin's theory of vestigial organs.
The CRIMALDDI project, led by Liverpool School of Tropical Medicine, aims to coordinate European and international antimalarial drug discovery efforts. The project will develop a prioritized roadmap and 5-year action plan to deliver on this roadmap.
Recent discoveries in Chinese archaeology are forcing scientists to reconsider the origins of ancient Chinese civilization, highlighting a more complex and diverse history. The findings also raise questions about the impact of looting and development on China's cultural heritage.
Researchers have developed a Wearable Artificial Kidney that provides continuous dialysis 24/7, reducing hospitalization rates and improving quality of life. The device is powered by two nine-volt batteries and weighs about 10 pounds.
Researchers found that ads for beer, spirits, and alcopops aired more frequently when more teens were watching, with a 7% increase in each 1-percentage-point increase in adolescent viewership. The study suggests that the alcohol industry's voluntary self-monitoring is not effective in reducing adolescent exposure to ads.
Researchers at Max Planck Institute find that a decline in microRNA156 concentration triggers flowering in Arabidopsis, allowing plants to bloom even in unfavorable environments. This endogenous mechanism ensures plant survival and prevents delayed flowering.
New research reveals that young muskoxen are not thermally stressed more than adults in extreme cold. The study found that calves and adults sacrifice only a small percentage of their daily energy intake to heat loss during foraging bouts.
By February 2008, 45% of US hospitals had adopted smoke-free campus policies, with not-for-profit hospitals more likely to implement them. The majority of US hospitals are expected to adopt similar policies by the end of 2009, according to the study.
A Michigan State University researcher suggests that nitrates and nitrites in plant-based foods may provide health benefits, contradicting current regulations. The study's findings support the idea that consuming a diet rich in nitrate-containing vegetables can help lower blood pressure.
A study published in Current Biology found that nostrils can experience a 'binaral rivalry' when receiving different scents, causing an olfactory illusion. This phenomenon is observed in other paired sensory organs like eyes and ears.
Researchers from the University of Cambridge have identified a critical protein called Nanog that plays a pivotal role in creating pluripotent cells. By understanding how Nanog influences other molecules, scientists hope to develop more efficient and safe methods for harnessing stem cells for medical applications.
Researchers at Rice University found that when the nose is presented with two different smells, the brain processes them separately through each nostril in an alternating manner. This 'perceptual rivalry' in the olfactory system allows individuals to perceive one smell predominantly at a time, creating an 'olfactory illusion'.
Scientists have found that the ends of mRNAs may play a role in preventing normal cells from becoming cancerous. In normal cells, long 3'UTRs regulate gene expression, but in cancer cells, these regulatory sequences are often lost, leading to overproduction of proteins and uncontrolled cell growth.
A randomised controlled trial found online CBT to be more effective than usual care in treating depression. After 8 months, 42% of patients had recovered, compared to 26% in the control group.
Visceral fat accumulation during menopause is strongly linked to increasing testosterone levels, according to a study published in Obesity. The research found that bioavailable testosterone was the strongest predictor of visceral fat, with estradiol levels bearing little relationship to the amount of visceral fat.
A new blood test can detect brain damage in amateur boxers, with nerve cell deterioration shown to persist even after a two-month break from boxing. The study's findings provide further evidence that repeated blows to the head may cause long-term brain damage.
Scientists have developed a therapy using genetically engineered Bacteroides ovatus that activates a human growth factor to treat bowel disorders like inflammatory bowel disease. The treatment reduces rectal bleeding, accelerates gut lining healing, and prevents disease onset.
A recent study of 311 patients with coiled brain aneurysms who underwent retreatment procedures found a low risk of death or permanent major disability, with only 1.28% of patients experiencing adverse outcomes. The study supports the emergence of endovascular coiling as a safe and effective treatment option for recurrent brain aneurysms.
A new book demystifies bats and eliminates many myths surrounding rabies, providing an overview of the virus variants that cause bat rabies and geographical patterns of occurrence. The book aims to increase public understanding of rabies and its impact on humans, pets, farm animals, and wildlife.
Hurricane Bill's category 3 hurricane force winds extend up to 85 miles from the storm center, with tropical storm-force winds reaching as far as 230 miles.
A study of 1,239 patients found that night home hem dialysis can extend life expectancy similar to a kidney transplant from deceased donors. The treatment allows patients to live longer and maintain independence. Night home hemodialysis may be suitable for high-risk patients or those waiting for a transplant.
Researchers developed a process to create ultrathin, ultrasmall inorganic LEDs that can be assembled into large arrays on flexible substrates. These arrays enable general illumination, high-resolution displays, wearable health monitors, and biomedical imaging devices with see-through construction and mechanical flexibility.
A research team led by Professor Patrick Gunning at the University of Toronto has developed molecules that inhibit Stat3, a protein involved in almost all cancers. These inhibitors show selectivity against cancer cells but not healthy cells, offering potential for improved chemotherapy efficacy and reduced side effects.
Researchers found that people tend to walk in circles when lost due to lack of directional references, leading to accumulation of sensorimotor system noise. In controlled tests, blindfolded participants walked small circles, highlighting the role of internal navigation errors.
A team of researchers discovered that virus-infected bacteria in pea aphids can provide protection against parasitic wasps. In laboratory experiments, about 90% of aphids carrying infected bacteria survived wasp attacks, compared to nearly no survival for those without the infection.
A Princeton-led team has discovered how some antibiotics kill bacteria by jamming the translocator, a protein-producing machine. The researchers also found that a specific protein called YccA protects the translocator from destruction, similar to a human protein of interest in cancer research.
A study by David Albouy finds that workers in expensive cities pay a higher share of federal income taxes due to higher wages and lower buying power. The net effect is a transfer of $269 billion from high-cost areas to rural areas, causing workers to flee large urban centers.
For the first time, a NASA study has mapped Africa's coastal mangrove forests, showing widespread destruction due to pollution, deforestation, and real estate development. The maps provide detailed information on forest area, height, biomass, and structure, enabling scientists and officials to monitor and conserve these vital ecosystems.
A new study finds that single kidneys from very young deceased donors can maintain the health of an adult with kidney failure. The research suggests that this practice is safe and effective, offering an alternative to traditional organ allocation methods.
Scientists have successfully trained tiny semiconductor crystals to display new magnetic functions at room temperature using light as a trigger. The breakthrough could enable the creation of materials that store information and perform logic functions simultaneously without the need for super cooling.
Duke researchers found that bladder cells have a mechanism to detect and expel E. coli bacteria, offering potential new treatments for antibiotic-resistant UTIs and other infections.
A UBC research team has found that too much cholesterol can disrupt the flow of electrical currents in the heart, leading to abnormal heartbeats. By reducing cholesterol levels, they discovered a way to normalize the structures underlying these electrical activities, promoting a regular and healthy heartbeat.
Researchers have developed a way to diagnose networking delays as short as tens of millionths of seconds, which can lead to significant financial losses. The Lossy Difference Aggregator approach offers the possibility of fine-grained delay and loss tracking with minimal cost and performance penalty.
The University of Alabama at Birmingham has won a two-year grant from the National Science Foundation to train teachers in using XO laptops for math and science education. The goal is to extend laptop use beyond basic tasks and increase the number of minority students entering the STEM career pipeline.
Researchers found 44 genes up-regulated in CKD patients, including 11 involved in oxidative phosphorylation. Elevated reactive oxygen species (ROS) levels were also detected, suggesting a vicious circle of respiration dysregulation that contributes to CKD.
The Bioproduction Facility at Cornell University has produced the first batch of NY-ESO-1 recombinant protein, a cancer vaccine that will be used in clinical trials for patients with ovarian or melanoma. The goal is to maximize the body's immune response to the protein.
Researchers at University of Wisconsin-Madison discovered that synaptotagmin plays a critical role in initiating fusion by bending a target membrane, providing a point of contact for easier merging. The study also found that the protein overcomes fusion deficiency when mutated and compensates with an endocytic protein.
Scientists have discovered a potential clue to type 1 diabetes causes, finding that nearly half of patients have an abnormal immune response to wheat proteins. The over-reaction is linked to genes associated with the disease and may contribute to other immune problems.
A study published in The Lancet found that Afghan children are experiencing high rates of mental health problems and trauma, with girls being disproportionately affected. School-based initiatives to address child mental health are crucial, but challenges exist due to inadequate resources and strain on the education system.
A new study found that universal influenza vaccination in Ontario, Canada, led to a 64% decline in antibiotic prescriptions and a 39% reduction in influenza-associated mortality. This suggests that increasing flu vaccination rates could help combat antibiotic overuse and related public health concerns.
Researchers at McGill University Health Centre have discovered the mechanism by which hemozoin activates the immune system, leading to inflammation and fever in malaria patients. The study provides a new direction for developing vaccine-like treatments to limit the severity of the disease.
The Commonwealth Fund report predicts family premiums will increase 119% between 1999 and 2008, reaching $23,842 per family by 2020. National reforms could save over $3,700 per family policy, with a 1% annual growth rate reduction yielding substantial savings.
A new analysis by Jerome Siegel reveals that sleep's primary function is to regulate behavior and increase efficiency, rather than solely for brain maintenance or longevity. Sleep duration varies across species based on factors such as eating needs, migration requirements, and predator avoidance.
A new study by Clemson University mathematician Jan Medlock and colleague Alison Galvani recommends prioritizing vaccinations for schoolchildren and adults aged 30-39 to control the spread of seasonal flu and H1N1. The researchers found that these age groups are crucial in preventing transmission, which can lead to severe symptoms amon...
Researchers discovered that oxycholesterol significantly raises blood cholesterol levels and promotes atherosclerosis, increasing the risk of heart attacks and strokes. A healthy diet rich in antioxidants can counteract these effects by blocking the oxidation process that forms oxycholesterol.
A new study found that climate change could exacerbate poverty in developing countries, with urban workers facing the greatest vulnerability. The study used data from 16 countries to analyze the impact of extreme weather events on food prices and agricultural productivity.
Researchers discovered seven new species of swimming worms in the deep sea, including 'green bombers' that release bioluminescent displays for defense. The discovery sheds light on evolutionary adaptations and challenges faced by these unique organisms.
Research published in Cell Host and Microbe reveals a minor reduction in CD45 levels provides protection against both Ebola virus and Bacillus anthracis. Mice expressing reduced CD45 levels showed enhanced viral clearance and increased protection against infection.
Scientists have captured nanoscale movements of ribosomes, revealing a complex four-step ratcheting mechanism that interacts with mRNA and tRNA. This breakthrough could lead to more effective antibiotics and new treatments against devastating diseases like hepatitis C.
A new study published in PLOS Pathogens shows that Leishmania parasites use a gel to persuade immune cells called macrophages to feed them instead of killing them. This trick enables the parasites to establish an infection and infect the skin, highlighting a crucial step in leishmaniasis transmission.
A new study predicts that climate volatility will deepen poverty vulnerability in developing countries, particularly among the urban poor. The research, published in Environmental Research Letters, uses a new methodology to understand and predict the effects of climate change on food prices and wages in vulnerable countries.
Research by University of Alberta psychologists Sheree Kwong See and Elena Nicoladis found that toddlers as young as three develop negative stereotypes about older adults due to limited interactions. Regular visits to grandparents or caregivers can positively impact these biases.
Researchers at Max-Planck Institute found that people walk in circles without noticing, especially when sun or moon visibility decreases. Increasing uncertainty about walking direction causes these circular paths.
A study mapping brain activity networks in Alzheimer's disease (AD) and frontotemporal lobar degeneration (FTLD) patients reveals distinct changes in communication between brain areas. AD patients show more random network organization, while FTLD patients display a more ordered structure, challenging the understanding of these diseases.
Researchers identified differing perceptions of cognitive health among ethnically, culturally, and geographically diverse groups. Despite similarities in physical, mental, and social activity influences, groups varied in opinions on specific activities, nutrition, and genetics.
A new study from the University of Michigan Comprehensive Cancer Center found that hospitals treating more black cancer patients have lower survival rates for breast and colon cancer, regardless of race. The researchers suggest that factors such as hospital resources and quality of care are key contributors to these disparities.
Researchers at Wake Forest University School of Medicine have developed DNA-coated nanotubes that can selectively target and kill cancer cells in mice. The treatment uses near-infrared radiation to heat the nanotubes, causing cell death while leaving surrounding tissue unharmed.
Research highlights the negative impact of social stigma on LGBT teens' health, leading to substance use, risky behaviors, and suicidal ideation. Clinicians are called upon to provide high-quality, confidential care to address these disparities.
Researchers develop algorithms that allow end users to ask computers why they made mistakes, read their responses, and explain why those were errors. This 'meaningful' interaction enables computers to customize themselves to users and perform better in the future.