Researchers have created a convincing robotic fish that shoals will accept as one of their own, allowing them to study complex situations such as aggressive and cooperative behaviour. The study found that relative distance between individuals is more important than absolute distance in influencing group dynamics.
A new study found that rosiglitazone, a medication for treating Type 2 diabetes, is associated with an increased risk of stroke, heart failure, and death compared to pioglitazone. The study analyzed data from over 227,000 patients aged 65 and older who took the medications from 2006 to 2009.
A new study reveals differing hormone levels in humans, bonobos, and chimpanzees before competition. Males who are intolerant of sharing food showed hormonal changes similar to chimpanzees, while those who tolerated cooperation showed cortisol increases like bonobos.
A study published in Canadian Medical Association Journal found that children with developmental coordination disorder are three times more likely to be overweight than typically developing children. The researchers also noted an increased risk of obesity over time, regardless of gender.
Researchers at the University of Leeds are developing a new cancer treatment that uses gas bubbles and sound waves to deliver toxic drugs directly to tumors. The technique has the potential to be adapted for other diseases and could provide a more effective and targeted treatment for colorectal cancer.
A new study found that nearly 49% of women with early-stage breast cancer did not complete their full hormone therapy regimen. Younger women were more likely to discontinue treatment. The study highlights the need for better understanding and interventions to reduce treatment non-compliance.
Phytophthora blight affects all cucurbits and peppers, causing up to 100% crop loss in parts of the state. Illinois-grown processing pumpkins account for nearly 95% of US supply, with a gross value exceeding $160 million per year.
Scientists are analyzing over 2,500 marine samples from the deep sea for potential malaria treatments. Preliminary tests have identified 300 samples that can kill malaria parasites, with one compound showing promise.
A new study finds that death rates from type 1 diabetes have steadily improved over the past few decades, with more recent diagnoses showing a lower risk of mortality. However, women and African-Americans are still disproportionately affected, with higher mortality rates compared to men and Caucasians.
A custom-fit mouth tray with carbamide peroxide can combat plaque accumulation, cavities, and periodontal disease in vulnerable populations. Regular tooth whitening can also lead to improved gingival health.
A laboratory study of microscopic organisms subjected to varying degrees of acoustic disturbance shows that competition can be a factor in regulating ecological communities regardless of the intensity or frequency of disturbance. The findings contradict the intermediate disturbance hypothesis, suggesting that there is a strong trade-of...
CSIRO scientists have developed an improved Black Tiger prawn breed using DNA technology, resulting in record yields of up to 24.2 tonnes per hectare. This breakthrough has the potential to revolutionize the Australian prawn farming industry and increase production from 5,000 tonnes to 12,500 tonnes by 2020.
A study published in the Journal of the International Neuropsychological Society found that lower performance on tests measuring learning and processing speed, as well as symptoms of depression, predicted subsequent cognitive decline in a normal population. The researchers used advanced statistical methodology to analyze multiple varia...
Dr Jay Kennedy discovers a regular pattern of symbols in Plato's books, linked to Pythagoras' harmony of the spheres, revealing his philosophy on nature and God. This breakthrough challenges conventional wisdom and opens up new ways to unite science and religion.
Researchers at Harvard's Wyss Institute have engineered photosynthetic bacteria to produce simple sugars and lactic acid, offering a sustainable alternative for producing commodity chemicals. This innovation could lead to reduced carbon dioxide emissions and greater availability of biodegradable plastics.
Tropical Storm Alex has brought heavy rainfall to Belize and the Yucatan Peninsula, with total rain accumulations expected to reach 4-8 inches over the region. The storm is expected to strengthen into a hurricane over the next several days as it heads north into the western Gulf of Mexico.
A study by Human Assisted Reproduction Ireland found that there is negligible risk of seroconversion in ART patients, making repeat viral screening unjustifiable. This could result in significant financial costs for couples undergoing treatment.
Researchers discovered that volunteers could rapidly assess whether a face was looking at them if it had exaggerated masculine or feminine features. Women were quicker to classify gaze direction when viewing more masculine faces, while men were faster with feminine faces.
A literature review suggests that surgery is not the first line of treatment for low back pain caused by herniated disks, and that alternative options such as physical therapy and medications can provide relief. The review also found that patients with larger herniations are more likely to experience a recurrence of pain after surgery.
Princeton University researchers are developing a new method for studying brain connectivity using genetically engineered viruses. The viruses, designed by Lynn Enquist's team, travel through the nervous system, tracing connections between neurons and reporting on their activity. This approach has significant implications for understan...
A York University study found that leaving organic debris in catch basins improves the effectiveness of S-methoprene in controlling mosquito larvae. The researchers discovered that S-methoprene binds to organic material, making it more effective when left in the catch basins.
Researchers found that consuming dark chocolate can significantly reduce systolic blood pressure by 5mmHg, comparable to 30 minutes of moderate exercise. This effect is most pronounced in individuals with high blood pressure, potentially reducing the risk of cardiovascular events by 20% over five years.
Researchers have discovered that many pulsar characteristics are linked due to an underlying cause. The study used observations of 366 pulsars collected over several decades and found that the magnetosphere switches back and forth between two different states.
Research at the European Society of Human Reproduction and Embryology found that overweight women undergoing IVF or ICSI are twice as likely to miscarry. Women with normal weight have a significantly lower miscarriage rate, highlighting the importance of pre-conception counseling for those using ART.
A new study led by the University of Leicester has revealed the mechanism by which memories are formed, highlighting the importance of the M3-muscarinic receptor in this process. The research, funded by the Wellcome Trust, holds potential to impact drug design for treating Alzheimer's disease.
A meta-analysis of studies found that statin therapy does not reduce the risk of death in individuals at risk for cardiovascular disease but without a history of heart disease. The study suggests caution when extending statin use to lower-risk populations.
A five-year study found that one-time tillage did not negatively impact grain yield or soil structure in no-till crops. However, it may help manage perennial weeds and reduce phosphorus stratification. The researchers concluded that tilling should only be done to address specific problems, as it increases erosion risk.
Two studies found that younger women prioritize career success over motherhood, while older women seek egg freezing as a means to delay childbearing until finding the right partner. Egg freezing has become more accessible, but accurate information is still lacking, highlighting the need for targeted counselling and support.
Researchers gathered to discuss novel muscle processes and clinical implications of complex macromolecular machines controlling muscle contraction. Key findings include insights into the DHPR–RYR1, actin–myosin interactions, and the multifunctional role of the dystrophin–glycoprotein complex in skeletal muscle.
The Vienna Declaration urges governments and international organizations to adopt evidence-based approaches to illicit drug policy, recognizing addiction as a medical condition. This declaration aims to reduce harms deriving from current policies and redirect resources towards prevention, treatment, and harm reduction interventions.
Researchers at Berkeley Lab found that high-pressure conditions can create nanoclusters of platinum, which may be more stable than single crystals. This discovery has implications for the future use of platinum in fuel cells and could potentially reduce costs.
A study by researchers at the University of California, San Diego found that older adults spent three times more time watching TV than younger adults, yet reported lower levels of positive emotion during TV viewing. This suggests a need to increase awareness of alternative activities and reduce barriers to social engagement.
A new research project at the University of Leicester aims to develop a reliable and cost-effective system for diagnosing coronary heart disease using CT scans. The technology will enable visualisation of coronary arteries in cadavers, making diagnoses comparable to current autopsy practice.
Researchers at Washington University School of Medicine have alleviated diabetes in rats using transplants from both embryonic and adult pigs. The rats adopted the pig transplants as their own and produced enough insulin to control their blood sugar levels, a significant breakthrough in treating the disease.
A new study by Harvard T.H. Chan School of Public Health researchers found that premenopausal women who increase their bicycling or walking briskly daily decrease their risk of gaining weight. Overweight and obese women benefit most from these activities, with even small increases in cycling time helping to control weight.
A University of Kentucky study found changes in white matter connections in high-risk Alzheimer's patients before symptoms manifest. The research used MRI to assess microstructural integrity of axons and myelin in the brains of high- and low-risk groups.
A new meta-analysis of clinical trials finds that rosiglitazone is associated with a significantly increased risk of myocardial infarction, while the risk of cardiovascular death was not elevated. The study suggests an unfavorable benefit-to-risk ratio for the diabetes drug, raising concerns about its safety.
Researchers tracked bumblebee movements in Arctic conditions, finding that bees work a day shift and retire before midnight. The study suggests that bees may have an internal sense of time based on light intensity or temperature changes.
According to a study published in Archives of Internal Medicine, increased bicycle riding and brisk walking among premenopausal women were linked to reduced weight gain, particularly for those who are overweight or obese. The study found that even low levels of cycling, such as five minutes per day, can have significant health benefits.
Darby and Celia are weakening tropical storms in the Eastern Pacific, with expected minimum central pressures of 1004 millibars and 1005 millibars. Both storms are forecast to continue weakening over the next day or two before becoming remnant low pressure areas.
Researchers discovered that asbestos exposure leads to the release of high-mobility group box 1 protein (HMGB1), which promotes tumor growth and inflammation. Elevated levels of HMGB1 in patients exposed to asbestos may enable simple serological testing to identify at-risk individuals.
Trade in coral and tropical fish is substantial and growing, removing millions of animals a year. The US can leverage its market power to reduce the environmental impact by protecting more species and promoting humane sales.
A multi-institutional team sequenced the body louse genome, revealing a simplified genetic toolkit that sheds light on its unique biology. The study found that the body louse has a reduced list of detoxification enzymes, making it an attractive model for studying resistance to insecticides.
The study found substantial differences between women with endometriosis and controls, with lost work productivity averaging ten hours per week. Quality of life was also significantly impaired, except for physical functioning and mental health.
Patients admitted to teaching hospitals for end-of-life illnesses receive high-quality medical care, but more family communication is necessary. The study found that timely efforts to keep patients comfortable and better discussions about goals of treatment can improve the quality of care.
A study by UT Southwestern Medical Center researchers found that family-centered rounds improve patient-family involvement in care and provide senior physicians with opportunities to train medical trainees. Benefits include increased parental understanding of discharge goals and improved team communication.
A study by researchers funded by JDRF found that the serotonin hormone increases insulin-producing beta cells during pregnancy. This discovery could lead to the development of new drugs to promote beta cell regeneration in people with type 1 diabetes, offering a potential cure for the disease.
Researchers will study challenges faced by pre-K and elementary readers, as well as high school students struggling with reading comprehension. The project aims to develop new assessments and instructional activities to help teachers put the study's findings into practice.
A recent study by University of Calgary professor Charlene Elliott found that 53% of baby and toddler foods have excessive sugar content, with over half meeting the criteria for poor nutritional quality. The study also revealed a 'halo effect' in adult perceptions of these products, highlighting the need to carefully examine ingredient...
A new study published in the Journal of Health and Social Behavior found that adolescent girls who perceive themselves as overweight but have a healthy weight are more likely to experience depressive symptoms than those with actual obesity. Additionally, underweight boys are also at high risk for distress. The researchers suggest that ...
A study estimates that 1.58 million US cancer survivors live with their 2.85 million children, and 562,000 minor children live with a parent in early cancer treatment and recovery. Most of these survivors are female, married, and under 50 years old.
A study published in Biomed Central (BMC) Genomics found that high-phenolic-content olive oil modifies genes involved in the inflammatory response, potentially reducing heart disease risk. The researchers tracked gene expression in blood cells after consuming two virgin olive oil-based breakfasts with varying phenolic compound content.
Researchers found that statin use reduced prostate cancer recurrence by 30 percent, with higher doses associated with a greater risk reduction. Men taking higher doses of statins had a 43-50% lower risk of recurrence compared to those taking lower doses.
A Purdue University researcher has identified a yeast gene that increases the production of a compound slowing aging and delaying microbial decay in tomatoes. This discovery may lead to extended shelf life for most fruits by an additional week, benefiting areas with limited access to fresh produce.
The Phase I trial found low-dose, multi-dosing regimens of BCG vaccination safe in individuals with type 1 diabetes, with no severe reactions reported. A Phase II clinical trial is planned to investigate the safety and efficacy of BCG vaccination as a therapeutic agent for type 1 diabetes prevention or reversal.
A mathematical model suggests that aggressively treating low blood pressure and cholesterol levels may harm some patients with diabetes. The study found that only a small proportion of patients at average risk received significant benefits from intensive treatment.
Researchers at the University of Strathclyde found that a substance called beeglue, originating from beehives in the Pacific region, was active against MRSA. The study isolated two compounds, Propolin C and Propolin D, which showed good activity against all MRSA strains tested.
The NASA Center for Climate Simulation (NCCS) has been introduced at NASA's Goddard Space Flight Center, offering enhanced computing capacity and data interaction technologies. This will support NASA's growing climate data needs and enable climate simulations and predictions.
Dr. Seong Park's research found that manure provides higher economic returns than chemical fertilizers due to its multiple essential crop nutrients and lower costs. The study showed that swine effluent was the most cost-effective option, with breakeven prices lower than anhydrous ammonia.
The University of Michigan predicts a larger-than-average Gulf dead zone this year, with a range of 6,500 to 7,800 square miles. The impact of the Deepwater Horizon oil spill on the size of the dead zone is unclear, but it could either increase or decrease due to various factors.
The University of Texas at Austin will design and oversee a monitoring plan for a carbon capture and storage demonstration project in southeast Texas. The project aims to reduce emissions of CO2 from a coal-fired power plant and demonstrate advanced technology for enhanced oil recovery.
Researchers at Harvard University have developed programmable matter by folding, allowing a single sheet to transform into a boat- or plane-shape. The technology uses origami techniques and features smart cups that can adjust to liquid levels and other tools with multiple functions.
Scientists have discovered that movable sequences of DNA, known as L1 retrotransposons, are much more common than previously believed. This finding has significant implications for understanding the causes of genetic diseases.
A study of clinical measures associated with end-of-life care in hospitalized patients identified opportunities for improvement. Communication between clinicians and patients, dyspnea assessment, and pain management were found to be areas needing attention.
A new study on Chile's nationwide school voucher program found that it increased high school graduation rates by 3.6 percent, and college-going rates by 3.1 percent. The reforms also led to a modest reduction in earnings inequity and an increase in the demand for private subsidized schools.
An international consortium of scientists has identified 12 new gene variants linked to type 2 diabetes, with 11 influencing insulin production and one associated with the X chromosome. This discovery sheds light on the complex pathogenesis of the disease, which affects millions worldwide.
A new study suggests that seeding clouds over the ocean to make them more reflective could actually increase monsoonal rains and cause continents to become wetter on average. This contradicts previous assumptions about the impact of geoengineering schemes on global rainfall patterns.
Researchers reanalyze mitochondrial genome data to reveal new insights into the initial peopling of North America, confirming 15 founding maternal lineages from Beringia. The study's findings suggest that genetic diversity was significantly underestimated in previous estimates.
A new study by endocrinologists at the University at Buffalo has shown that Vietnam veterans exposed to Agent Orange have significantly more Graves' disease, a thyroid disorder. The autoimmune disease was three times more prevalent among veterans who encountered the dioxin-containing chemical.
A survey by Mount Sinai School of Medicine found that 91% of physicians believe 'defensive medicine' is necessary due to malpractice concerns. The study suggests that tort reform can decrease unnecessary testing and rising healthcare costs.
A Kaiser Permanente study found the MMRV vaccine doubles the risk of febrile seizures in 1- to 2-year-old children compared to separate MMR and varicella vaccines. The study analyzed 459,000 children and recommended that families without a preference for MMRV receive separate vaccinations.