Researchers have quantified physical limitations on cloaking devices, allowing for calculation of optimal performance before designing a specific cloak. The new framework establishes boundaries on bandwidth capabilities of electromagnetic cloaks for objects of different sizes and composition.
A new study confirms that annual follow-up with low-dose computed-tomography (CT) scans is sufficient for some lung nodules, eliminating the need for biopsy or surgery. The findings suggest that these nodules can be safely monitored and do not require immediate treatment.
A new study found that when people focus on the inherent traits of something, they are more likely to assume that the patterns they see around them are good. However, when participants were exposed to information about external factors, they became more flexible in their thinking and less likely to think that the way things are is good.
Researchers have found a brief, simple test to effectively screen for cognitive impairment in Alzheimer's disease (AD), including mild cognitive impairment (MCI) and AD dementia. The King-Devick test can accurately distinguish between cognitively healthy individuals and those with cognitive impairment over 90% of the time.
A large study from Harvard T.H. Chan School of Public Health found that consuming higher amounts of unsaturated fats was associated with lower mortality. Replacing saturated fats with unsaturated fats conferred substantial health benefits and should continue to be a key message in dietary recommendations.
Hugh E. Montgomery, Jefferson Lab director and president of Jefferson Science Associates, LLC, has been recognized for his outstanding leadership and distinguished research in high-energy physics. The Institute of Physics awards the Glazebrook Medal annually to individuals who display exceptional contributions to the physics community.
A new study by University of Calgary researchers finds that adolescents who attend religious services are less likely to view pornography. The study, which surveyed over 3,000 teenagers and their parents, suggests that religious attendance acts as a social control factor that discourages porn usage among young people.
A new project aims to gather and communicate information on the effects of the 2010 Deepwater Horizon oil spill on Gulf of Mexico biodiversity. Researchers will survey biodiversity at 15 locations twice a year for two years, comparing data with pre-oil-spill records.
Researchers propose that cephalopods' U-shaped or dumbbell-shaped pupils can judge color by accentuating chromatic aberration, allowing them to focus on specific wavelengths. This unique visual system may enable camouflage and mimicry despite being 'colorblind'.
A Virginia Tech researcher found that policymakers have failed to implement comprehensive measures to restrict the marketing of unhealthy foods and beverages to children and teens. The lack of progress has left 42 million children under 5 years old and 155-200 million school-aged children overweight or obese worldwide.
A joint study between CARD and Chapman University analyzed over 800 children with ASD, finding that Board Certified Behavioral Analyst experience and hours of therapy are crucial for successful treatment. The research provides insights into optimizing treatment plans and improving outcomes.
The EPICE project highlights the underuse of effective medical practices, such as corticosteroid administration and surfactant therapy, in very premature infants. With improved care, mortality rates can be reduced by 18%, emphasizing the importance of evidence-based medicine for these high-risk babies.
The article introduces a new 'game plan' for oncologists to incorporate new therapies and approaches into clinical guidelines quickly. CancerLinQ, a web-based rapid-learning system, will provide point-of-care clinical decision support with the latest evidence-based recommendations.
Researchers suggest minor evolutionary changes could have altered the fates of Earth and Venus, potentially leading to life on Venus and none on Earth. The study expands the notion of habitable zones and questions the role of plate tectonics in supporting life.
Researchers at Tufts University School of Medicine identified a novel astroglia-mediated pathogenic mechanism contributing to fragile X syndrome symptoms. The study found that disrupting an astrocyte-specific glutamate transporter contributed to FXS-like symptoms, which were reversed by restoring FMRP and glutamate signaling.
Researchers have developed a lung-targeted gene therapy strategy that may improve treatments for inherited diseases like emphysema. The new approach, which delivers a normal copy of the gene to lung cells, shows promise in reducing disease severity and increasing protein production.
A study by University of Minnesota researchers has identified distinct structural features among seven types of retroviruses, including HIV and HTLV-1. The findings could inform the development of new antiviral treatments and vaccines for various diseases caused by these viruses.
The study found a small but significant increase in fatalities and non-fatalities among adolescents aged 11-15 and 16-17 years. This trend is worrying, with the impact of long-standing abuse or neglect often present in behaviors that place young people at increased risk of harm.
A paralyzed chimpanzee, Reo, was rehabilitated through a dedicated programme using cognitive tasks on a touch screen. After 41 months of intensive physiotherapy, he learned to walk again, showing the potential of this method in improving animal welfare.
A comprehensive review found that euthanasia and physician-assisted suicide are legal in several countries, including the Netherlands, Belgium, and Canada. However, their use remains relatively rare, primarily among patients with cancer. Public support for these practices varies across regions, with strong backing in Western Europe but...
Researchers tracked daily physical activity in 90 pre- to early-teenage children with type 1 diabetes and found improvements in blood vessel structure and reduced risk factors for heart disease. The study highlights the importance of physical activity for children with type 1 diabetes.
Researchers found that environmental factors and epigenetic changes are necessary to alter immune gene expression in individuals with familial ALS. This discovery may pave the way for developing preventive strategies for those at risk of ALS.
The Asian bush mosquito is spreading its range in Austria, becoming a day-biting nuisance. The invasive species has adapted to various climates and can be found in isolated populations, posing a threat to the region.
A large randomized study found that a short period of bed rest after intrauterine insemination has no beneficial effect on pregnancy rates, contrary to previous small studies. The results suggest that immobilization after IUI may even hinder fertility in some cases, rendering recommendations for prolonged bed rest obsolete.
Researchers studied six years of bull runs to identify risks affecting runners and bulls, finding that the primary risk comes from bulls themselves, with minimal impact from route conditions or runner fitness.
Researchers from Queen Mary University of London found that goats communicate with humans by gazing at them when faced with unsolvable problems. The study showed similarities between goat behavior and that of domesticated animals like dogs and horses.
Researchers used a new artificial neural network method to simulate the atomic interactions of water molecules, explaining its melting temperature and density maximum. The study provides insights into the unusual properties of water, which cannot be understood solely on the basis of its chemical composition.
A new clinical calculator assesses individual risk of psychosis after early warning signs of schizophrenia, such as hearing voices. Symptoms like unusual thought content and social functioning decline contribute significantly to the risk of developing psychosis.
Researchers found that a protein called b1-integrin is crucial for muscle regeneration in aged muscles. The team's study provides a promising target for therapeutic intervention to combat muscle aging or disease. By restoring the function of b1-integrin, regenerative abilities were restored to youthful levels in mice with aged muscles.
Researchers have visualized how immune cells create networks of DNA traps called NETs to capture and destroy microbes. The process, known as NETosis, involves the transformation of histones and release of digestive enzymes into the extracellular space.
A Harvard team has developed discrete molecular imaging (DMI), which enhances super-resolution microscopy with ultra-high resolution, enabling researchers to study molecular conformations and heterogeneities. The technology complements current structural biology methods, opening up new ways to analyze complex biological samples.
A study published in PLOS Medicine found that Mexico's nonessential food tax led to a significant decline in energy-dense food purchases, primarily among low and medium SES households. The study showed a 5.1% decline in taxed food sales beyond pre-tax trends, with lower SES households experiencing an even greater reduction of 10.2%.
A study of over 2.1 million people found that those who cooked at home more frequently had a lower risk of developing type 2 diabetes. The research suggests that preparing meals at home can contribute to diabetes prevention efforts through improved nutritional and lifestyle habits.
A growing number of US adults are living with congenital heart defects, necessitating improved healthcare services and data collection systems. The condition affects approximately 2.4 million people in the US, with a 40% increase in adults compared to 2000 estimates.
Infants born to vaccinated mothers show high protection against influenza illness at 8 weeks, but efficacy decreases with age. The duration of this protection is limited to the first 8 weeks of life.
A new study suggests that mixing cannabis with tobacco increases the risk of dependence and decreases motivation to quit. Cannabis users who prefer non-tobacco routes have higher odds of seeking help to use less cannabis and tobacco, indicating a lower risk of psychological dependence.
A study of nearly 3,000 centenarians and near-centenarians found that those who live exceptionally long lives have a delayed onset of major age-related disease. This suggests that discoveries made in one group of centenarians can be generalized to diverse populations.
Researchers discovered that coconut walls can dissipate energy via crack deflection, thanks to a distinct, ladder-like design of the vascular system. This structure could be applied to functionally graded concrete to enhance its energy dissipation capacity and protect buildings against earthquakes and other hazards.
A study published in The BMJ found that less than 60% of premature babies born in 11 European countries received a package of four simple, widely available care measures known to improve survival. Receiving full evidence-based care was associated with improved survival rates.
The Quatro Study will inform ongoing product development efforts by gathering end-user input on four vaginal delivery systems for HIV and multipurpose prevention. The study, recruiting 200 healthy women ages 18-30 in South Africa and Zimbabwe, assesses user experiences of placebos with no active ingredients.
Researchers developed a novel visualization tool to explore dynamic Bitcoin transactional data, revealing behavioral patterns and potential money laundering activities. The top-down approach enables drill-down analysis of individual transactions.
A new reconstruction of Antarctic ocean temperatures around the time of dinosaur disappearance supports the idea that volcanic eruptions and an asteroid impact caused the planet's biggest mass extinctions. Two abrupt warming spikes coincide with two previously documented extinction pulses.
Researchers identified a new drug target, BRD9, in acute myeloid leukemia and developed a candidate drug, BI-7273. The team discovered that replacing the native bromodomain with a functionally synonymous one allowed them to prove how the drug works, providing valuable information for drug development.
Researchers at Oak Ridge National Laboratory have isolated and cultured the elusive archaeon Nanopusillus acidilobi from a hot spring in Yellowstone National Park. This achievement provides valuable insights into the evolution and mechanisms of complex systems, and has significant implications for understanding microbial diversity.
Researchers discovered that tiny micro-vesicle structures in blood carry tell-tale proteins associated with Alzheimer's disease, enabling the prediction of mild cognitive impairment (MCI) progression. The findings represent a quicker and less invasive way to identify impending cognitive decline.
A new biomarker, phosphorylated protein kinase LRRK2, has been found in patient urine samples and correlates with the presence and severity of Parkinson's disease. Elevated levels of this biomarker predict the risk for onset of Parkinson's disease and may be a promising guide for future clinical treatments.
NASA's Terra satellite captured visible light images of Tropical Storm Agatha, which formed on July 1 as a tropical depression and strengthened into a storm with maximum sustained winds near 45 mph. The storm weakened over the July 4th weekend and became a remnant low-pressure area by July 6.
A recent study published in JAMA Network found that consuming a diet high in subsidized foods, such as high-fat meat and dairy products, is associated with a higher risk of obesity and cardiometabolic diseases. The study suggests that individuals who consume fewer subsidized foods have a lower probability of being obese.
A 12,000-year-old funeral feast in northern Israel provides insight into the dynamics of ritual performance and community engagement. The discovery sheds light on the Natufian period's significant pre-planning and socially complex rituals.
Ocean acidification is threatening mussel farming industries as mussels' ability to attach themselves to surfaces weakens in acidic conditions. The pH level plays a critical role in the attachment process, and changes in ocean chemistry are expected to impact mussel communities.
Scientists at Karolinska Institutet have discovered a new brainstem model that shows how the brain controls breathing in response to changes in oxygen and carbon dioxide levels. The study found that when exposed to decreased oxygen or increased carbon dioxide, the brain releases PGE2 to regulate breathing.
The first hurricane of the Eastern Pacific season, Blas, was analyzed by NASA on July 5. Powerful thunderstorms with very cold cloud top temperatures were detected in infrared light. The storm's surface winds were also monitored using the RapidScat instrument, which showed strong winds east of the center.
The AGA Research Foundation and Pfizer Inc. are offering three research grants to support innovative research projects related to inflammatory bowel disease (IBD). The grants will provide $30,000 in funding for one-year pilot projects exploring new research directions.
Researchers found that moderate and vigorous exercise reduce intrahepatic triglyceride content, a key indicator of NAFLD, with no significant difference between the two. Exercise also leads to significant weight loss and reduced body fat mass in patients with obesity.
Public health experts argue that NHS England should fund PrEP to prevent HIV transmission, comparable to vaccination services. Delays may result in avoidable mortality and increased NHS costs.
The American Orthopaedic Society for Sports Medicine (AOSSM) has recognized outstanding research initiatives and projects through its annual awards. This year's award recipients include researchers who have made significant contributions to the field of orthopaedic sports medicine, such as Alan Zhang for his research on quantitative ma...
Researchers identified genetic mutations in immune system genes that may lead to synchronous colorectal cancer, a rare type of bowel tumor. The study found that these patients have inherited damaging mutations that can cause an inflammatory environment in the gut, increasing the frequency of independent cancer-initiating events.
Researchers developed a fluorescent protein method to accurately detect unconjugated bilirubin in newborns, minimizing blood sample interference. The UnaG method offers a highly sensitive and accurate detection method for preterm infants, potentially reducing neurological handicaps.
A strong majority of Ontarians support government-controlled options for producing and selling cannabis, with nearly two-thirds backing sales in government-regulated outlets. The survey also found growing support for liberalizing recreational cannabis use, with over half supporting legalization.
Research from the University of East Anglia found that people switching to pill organizers are more likely to become unwell than those not using them. Patients should consult their GP or pharmacist before making the switch.
Researchers created a mathematical equation for an ideal dynamic climbing rope that would slow falling climbers like brakes on cars. The study suggests using shape memory materials, which can be deformed and return to their original shape, to achieve this effect.
Typhoon Nepartak strengthened rapidly after forming on July 3, becoming a major hurricane/typhoon with maximum sustained winds near 120 knots. The Joint Typhoon Warning Center attributed its intensification to favorable conditions, including warm water and low wind shear.
A Clemson University psychology professor found that incorporating light physical activity into work or study improves mood, motivation, and morale, while maintaining cognitive performance. The study suggests that sedentary work may not be harmful in the short term, but long-term effects could lead to chronic disease and physical frailty.
A recent study reveals that bacteriophage PAK_P3 degrades bacterial RNAs and scavenges pyrimidine nucleotides to replicate. This finding highlights the prominent role of RNA metabolism in phage infection, offering a new understanding of phage therapy's potential.
Researchers at Brigham Young University studied the Emerald Ash Borer's eye structure to understand its color vision. They found that the beetle uses modified UV and green opsin genes to see in a way that other organisms cannot, allowing it to find mates and trees.
Researchers used game theory to analyze the interaction between rhino poachers and gamekeepers. They found that anti-poaching measures should focus on changing the game rather than tilting it in favor of the gamekeeper.
Research from McMaster University found that children who watched unhealthy food and beverage ads consumed significantly more calories than those who did not watch ads. The study suggests that targeted advertising of unhealthy foods can have a lasting impact on children's dietary preferences.
A recent study cataloged 18 independent evolutions of venom in freshwater and saltwater fishes, highlighting opportunities for therapeutic applications. The research also found that venom is predominantly used for defense rather than offense, with some species using it to debilitate prey.
Researchers created a low-cost, portable genetic test for the Zika virus that can detect genetic material and requires no electricity or technical expertise. The test takes about 40 minutes to run and has shown sensitivity equivalent to RT-PCR tests.
Researchers at Berkeley Lab have developed a new method to predict material stability in semiconductors, crucial for creating efficient solar fuel generators. By analyzing bismuth vanadate, they found complex chemical instabilities that must be addressed to achieve stable performance.
Researchers from Umeå University suggest implementing an EU-owned flight ticket tax as a sustainable alternative to funding the EU budget. The proposed carbon-based tax could reduce emissions and boost economic growth by redistributing revenue to reduce harmful taxes on labor.
The US Veterans Health Administration is implementing various changes to improve LGBT care, including the addition of a self-identified gender identity field to all veteran record systems. These actions aim to provide patient-centered care for sexual and gender minority veterans.
Researchers found that using cartoon characters to promote vegetables in school lunchrooms can increase veggie selection by up to 35% among elementary school students. The Super Sprowtz team, including Miki Mushroom and friends, was effective in encouraging kids to choose healthier options.
Researchers have uncovered a well-preserved fossil of a previously unknown bird species, Calciavis grandei, dating back to the Eocene epoch. The discovery sheds light on the evolutionary history of large flightless birds and provides new anatomical data for resolving contentious debates among paleontologists.
Researchers used multiplexed shotgun genotyping to uncover species relationships within the North American genus Penstemon. The study confirms ancestral hymenoptera pollination and independent transitions to hummingbird pollination, revealing floral diversity and adaptations.
A new study published in Fire Ecology chronicles the history of forest fires in Oklahoma and Tennessee to determine their importance in maintaining forest health. Researchers found that forest fires are vital for maintaining healthy ecosystems, with some areas experiencing higher fire frequency than others.
A new study published in Pediatrics found that using colorful banners and nutrition education videos can increase the number of children taking vegetables in school cafeterias. Researchers observed a 239% increase in vegetable selection when both banners and videos were used, compared to a 90% increase when only banners were used.
A new study reveals that Argentine tango practice can significantly improve balance and reduce falls risk among cancer patients experiencing peripheral neuropathy. The dance intervention course reduced standing postural sway by 56% in just five weeks, providing a promising balance intervention for cancer survivors.
Researchers studying infant locomotion have discovered common neural primitives used by humans and animals to walk. These findings could lead to new rehabilitation methods for patients with spinal cord injuries and cerebral palsy.
Researchers discovered a non-cancerous facial tumor in the fossilized jaw of Telmatosaurus transsylvanicus, a primitive duck-billed dinosaur, providing evidence that dinosaurs were prone to tumors. The discovery sheds new light on ancient diseases and tumours in extinct species.
Research reveals that a fly species uses cicada sounds to locate hosts, attracting both females and males for potential mating. The study found that hearing may have originated as a means of finding a host but has become useful in another way.
Droplets on a surface can catapult away contaminants without superhydrophobic coatings, inspired by pogo jumping. Researchers at Duke University and the University of British Columbia investigate this mechanism to develop more durable self-cleaning systems.
A large-scale study of 246,557 patients found no significant association between gadolinium exposure and parkinsonism, a degenerative disorder of the central nervous system. Researchers observed a similar incidence of incident parkinsonism among those exposed to gadolinium-enhanced MRIs as those who received non-gadolinium-enhanced MRIs.
A study by Dr. Francois-Xavier Ricaut reveals Malagasy genetic diversity is primarily African and Asian, with Austronesian migration dating back around 1,000 years. The Banjar population from Southeast Borneo is thought to be the key driver of this migration.
Researchers at Eindhoven University of Technology have developed a new computer analysis method to detect early stages of esophageal cancer in people with Barrett's esophagus, which can be as accurate as top specialists. The method aims to improve the detection and treatment of esophageal cancer, reducing the need for invasive surgery.
A study found that palliative care-led informational and emotional support meetings did not reduce anxiety or depression symptoms among family members of patients with chronic critical illness. However, posttraumatic stress disorder symptoms were higher in the intervention group compared to the control group.
A comprehensive study finds that physician-assisted suicide and euthanasia are relatively rare practices worldwide, with a majority of cases involving patients with cancer. Support for these practices remains stable in the US but continues to increase in Western Europe, often linked to religious views.
The study identified two groups of drought-resistant bean lines: 'water savers' and 'water spenders'. The former are suitable for semi-arid regions with limited moisture, while the latter have deep roots to maximize water extraction. These findings contribute to improving bean productivity in areas affected by drought.
Researchers have found increased expression of galectin-3 protein in pulmonary hypertension, which causes unhealthy remodeling and constriction of lung blood vessels. They also discovered that a drug already tested for liver fibrosis can block or reverse early disease progression, offering new hope for treatment.
A new study found that deutetrabenazine significantly improved chorea control in adults with Huntington disease. The treatment also showed improvements in impression of change and physical functioning, but not on balance tests.
Researchers developed a method to study cellular response by capturing individual cells in microscopic gel beads, allowing for manipulation of the external environment and observation of regenerative ability. This tool promises to shed light on single cell biomechanics and unravel the nuances of micromechanics within plant cells.
The PREVAIL IV trial is a six-month study enrolling 60-120 EVD survivors with evidence of Ebola virus RNA in their semen. Participants will receive either investigational drug GS-5734 or a placebo to see if it can eliminate the viral RNA from semen.
Researchers at UC Riverside created a compact, fast voltage-controlled oscillator device using TaS2-BN-Graphene materials. The new technology could become an ultralow power alternative to silicon-based devices in various applications.
Research in mice shows that one type of malaria parasite helps another thrive by exploiting resources, leading to worse health risks. The finding explains why co-infections with two types of malaria parasites often have more severe outcomes than single infections.
Researchers from the University of Pennsylvania demonstrate a multiscale simulation of lead titanate oxide, providing new understanding of polarizations within these materials. The study shows that domain walls move across ferroelectric materials like wildfire, but can be easily stopped once the electric field is removed.
A Phase 3 clinical trial found deutetrabenazine significantly decreased chorea in HD patients, with improvements also seen in quality of life measures. The drug was well-tolerated and effective in treating chorea associated with Huntington disease.