Researchers found that stroke patients with severe motor impairments used alternative mental strategies to complete tasks, suggesting a more complex phenomenon than previously thought. The study suggests that motor imagery may be a key factor in creative problem-solving and innovation.
Measurements by NASA's Phoenix Mars Lander suggest that liquid water has primarily existed at temperatures near freezing on Mars, implying hydrothermal systems similar to Earth's hot springs are rare. The findings provide new light on Mars' history of water and volcanic activity.
Researchers developed a hybrid approach combining bionic wavelet transform and recurrent neural network for improved speech enhancement. The method showed significant noise reduction without compromising intelligibility, achieving a 12 dB increase in signal-to-noise ratio.
The Office of Naval Research has awarded a $7.5M grant to Boston University to develop unmanned aircraft inspired by the flight mechanics of bats, birds, and insects. The project will investigate biological capabilities for agile flight and integrate engineering design with biological studies.
A new study finds that US government health reforms have improved insurance coverage and reduced financial barriers to care, but failed to address disparities in access to care and self-rated health. The research suggests that health reform policies should focus on broader social determinants of health to advance health equity.
A study found that a widely used simplified heart-risk guideline may over- or underestimate risk for millions of Americans, with 5.7 million people misclassified into different risk groups using the point-based model versus the original Framingham model.
Scientists are studying how landmass shape affects Arctic sea ice extent, estimating rainfall interception in rainforests, and measuring mountain building rates. Landmass geometry influences Arctic sea ice growth, while forest canopy evaporation accounts for significant water resources loss. Researchers also investigate fault zone resp...
Scientists warn that avoiding dangerous climate change requires steep cuts in carbon dioxide emissions from power plants, cars, and other devices. New research suggests that existing infrastructure is less of a threat to climate than expected, but building the right low-carbon energy technologies now is crucial.
A recent survey found that most Oregon hospices have limited participation in the Death with Dignity Act, which allows terminally ill patients to request physician-assisted death. Hospices' role is largely confined to providing neutral information about the law, leaving patients to seek assistance from physicians themselves.
A recent analysis of wind farm applications in England reveals that rejection is often linked to high political engagement and life expectancy. This trend encourages commercial developers to focus on remote or deprived communities, exacerbating economic fragility.
A new study published in Psychological Science found that children who have a more linear mental number line are better at remembering numbers. This was true for preschoolers and elementary school children alike, with the ability to estimate the sizes of numbers influencing exact recall.
A new risk prediction model for venous thromboembolism (VTE) in cancer patients has been developed, incorporating two new biomarkers. The model improves the classification of patients into different risk categories, with a significant increase in accurate predictions of VTE development.
Research suggests that the current six-month rotating vaccine stockpile policy may not be optimal for achieving herd immunity. A new stochastic model proposes flexible policies to minimize vaccine shortage risks while maintaining coverage rates. The study's findings highlight the need for differentiated stockpile levels based on diseas...
University of Oklahoma researchers have developed a new method for understanding brain function in humans, leveraging advances in genetic techniques to manipulate small subsets of brain cells. This breakthrough has significant implications for studies of human neurological diseases, including Alzheimer's and Parkinson's disease.
Research found that older people who continue to use problematic drugs are emerging as a vulnerable group with impaired health, chronic conditions, and poorer quality of life. Despite this, services for older drug addicts are not widely available in the UK.
Drs. De Clercq and Fauci are recognized for their pioneering work in understanding and combating HIV/AIDS. They have made significant contributions to the development of antiviral drugs and treatments.
The Kennedy Krieger Institute will conduct research on the onset and progression of Alzheimer's disease in adults with Down syndrome. The studies aim to establish criteria for early diagnosis and develop methods to identify mild cognitive impairment.
The San Diego Supercomputer Center and CAIDA have created a geometric map of the Internet using hyperbolic geometry, leading to more efficient routing architecture. The new approach simplifies path-finding throughout the network, increasing speed, accuracy, and resistance to damage.
The study found that Miscanthus uses more water than other crops like switchgrass and corn, but reduces the potential for nitrogen pollution. This could lead to a decrease in runoff and surface water supplies, particularly during late summer and early fall.
Researchers at Max Planck Institute for Physics of Light create device generating true random numbers using vacuum fluctuations, crucial for secure encryption and economic simulations. The device exploits quantum mechanics' inherent randomness to produce unpredictable outcomes.
A landmark study by the University of Ottawa Heart Institute reveals that 70% of Ontario adults are either overweight or obese. The analysis also shows a strong link between high blood pressure and above normal BMI, with obesity levels increasing with age.
Researchers have observed single ions marching through a tiny carbon nanotube channel, allowing for extremely sensitive detectors or new water-desalination systems. The channels can also study chemical reactions at the single-molecule level.
The study explores robot deception from a general perspective, with applications in military and search and rescue operations. Robots can use deception to hide and mislead enemies or calm panicking victims.
A recent EFSA report reveals no known safe level of lead exposure, necessitating revised EU regulations. Lead contamination has been linked to cognitive impairment, ADHD, and increased risk of hypertension and neurocognitive decline.
A new study found low levels of bacteria in soils outside fields sprayed with swine manure, while internal soils showed higher nutrient levels but lower pathogen levels. The research suggests that manure management plans have been effective in reducing bacterial risks.
Researchers discovered that mycobacteria block phagosome maturation with acyltrehalose-containing glycolipids, surviving and thriving inside host macrophages. This study sheds light on the mechanism of intracellular parasitism and identifies potential new drug targets for TB treatment.
A study published by the American Heart Association found that Mexican-American stroke survivors with a heart rhythm disorder have more than twice the risk for another stroke compared to non-Hispanic whites. Additionally, their recurrent strokes are more likely to be severe, although they do not have a higher risk of death after stroke.
A meta-analysis of three trials found that stenting is associated with a higher risk of stroke than surgical endarterectomy, particularly in patients over 70. However, younger patients (under 70) can tolerate both treatments equally well.
A 12-year study of 14,000 Canadians found that using medications for insomnia or anxiety increased mortality risk by 36%. The study controlled for personal factors, suggesting a link between medication use and increased risk of death due to falls and other accidents, as well as respiratory problems.
A study published in Cell Stem Cell reveals that NURF, an enzyme that regulates DNA packaging, allows specific genes to be turned on and off in stem cells. This dynamic structure enables stem cells to maintain their potency and prevent differentiation into other cell types.
Researchers at Northwestern University and Duke University will study opportunities for improving the FDA's 510(k) product review process and examine the lifetime benefits of implantable devices. The studies aim to build evidence-based policy and improve patient outcomes.
Conservationists argue that managing biodiversity as a global public good is key to its preservation. The paper emphasizes the need for policymakers, businesses, and civil society to incorporate biodiversity into their decisions.
A European Union version of the US 'priority review voucher' system could incentivize pharmaceutical companies to develop treatments for neglected diseases. The system would offer accelerated regulatory review, pricing, and reimbursement decisions in exchange for developing a treatment for a neglected disease.
Kendall Hunter will use non-invasive ultrasound measurements and invasive heart catheterization to diagnose and predict progression of PAH. The grant aims to improve diagnosis and treatment of this fatal disease in children and adults.
A simplified clinical tool has led to the reclassification of millions of Americans into different risk groups, potentially affecting their treatment. The study found that 15% of adults were reclassified, with 10% moving to higher-risk groups and 5% to lower-risk groups, leading to potential over-treatment or under-treatment.
Researchers found that people retain memories more effectively when their brain activity is similar each time they study the same information. This challenges the long-held belief that variable contexts enhance memory retention. The findings provide new insights into effective studying and cognitive processing.
The OSPREY clinical trial evaluates the safety and efficacy of Terumo's MISAGO Stent System for treating peripheral artery disease in the US and Japan. The study aims to streamline the product approval process through unprecedented international regulatory cooperation.
Researchers developed new measures of aging that take into account disability status and longevity, revealing slower aging rates in many populations. The study found that traditional measures can generate misleading results, but new metrics provide a more accurate picture of population aging.
The NIH is launching two major research efforts to combat childhood obesity, one focusing on long-term prevention and treatment approaches, the other evaluating community efforts to reduce rates. These studies aim to encourage healthy habits in children that can last a lifetime.
A retrospective study of 223 patients with terminal cancer found that opioid use was both safe and effective in the home setting. Patients who received higher doses had a longer median survival time compared to those who received lower doses.
Researchers validate sentiment that a single death is more tragic than a million, as people form vivid mental representations of individual victims. The scope-severity paradox exists in judgments of harm, leading to harsher punishments for crimes with identifiable victims.
Researchers found that men who show more concern for their female partners with PVD may trigger more pain but also boost sexual satisfaction. The key to reducing pain is shifting focus away from vaginal intercourse while maintaining emotional intimacy.
The 23rd ECNP Congress highlighted the latest discoveries and perspectives in mental health, including gene-environment interactions, circadian rhythms, and brain disease mechanisms. Key take-home messages focused on improving pharmacological and non-drug treatments for mental disorders.
Experts warn that biotech companies in emerging economies are making innovative contributions to address health problems. They have brought affordable products to prevent, diagnose and remedy illnesses of local concern, but risk diverting focus from diseases of poverty as they grow in financial strength.
The Neurophotonics Research Center aims to develop a two-way fiber optic communication link between prosthetic limbs and peripheral nerves, enabling realistic movement and 'feeling' sensations. Successful completion will allow for revolutionary freedom of movement and agility for amputees.
Uruguay's move to increase tobacco pack health warnings and plain packaging sparks a legal battle with Philip Morris, highlighting the clash between national health control and trade agreements. The case has significant implications for global health governance, international law, and the regulation of tobacco packaging.
A new study found that higher baseline leptin and lower ghrelin plasma levels before dieting may predict weight regain in individuals. The research suggests that personalized weight-loss programs targeting appetite hormones could improve long-term success rates.
Researchers found that chest compressions first approach may be better in cases of long waits for EMS, with higher one-year survival rates and benefits for cardiac arrests with prolonged response times. The study suggests an emphasis should be placed on high-quality chest compressions.
A Texas A&M chemical engineer has discovered a way to achieve more effective separation of DNA fragments using a hydrogel substance. The findings provide a rational approach to designing gels that can harness specific effects, leading to enhanced analysis in various fields.
The University of Liverpool will coordinate an international research network, led by Professor Munir Pirmohamed, to investigate the role of genetic variation in drug-induced hypersensitivity reactions. This collaboration aims to identify genetic predisposing factors that can help predict susceptible patients and reduce the patient and...
A new study published in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism has found that high levels of the stress hormone cortisol are strongly associated with an increased risk of cardiovascular death among both healthy individuals and those with pre-existing cardiovascular disease. The study, which evaluated ov...
Researchers discovered a gene called Spatula that limits plant growth in cool temperatures, potentially helping develop crops for cold climates. By manipulating the gene, scientists aim to improve crop yields and food security in temperate regions.
VTT Technical Research Centre of Finland is developing image processing technology to analyze large amounts of video data and recognize potential risk situations. The new application can identify, locate and track abandoned luggage, allowing security authorities to take swift action.
Researchers at WashU Medicine have developed a new method to track brain development in children using functional MRI scans, which may shed light on psychological and developmental disorders. The approach uses mathematical analysis to identify abnormal brain function, enabling early detection and potential treatment.
Researchers suggest that detecting neutrinos and gravity waves can independently confirm the presence of dark matter in the sun. Current detectors, such as Borexino and SNO, will be able to measure the sun's core temperature with precision.
Researchers found that individuals can learn to control the activity of specific brain regions when receiving fMRI feedback signals. The study, published in Biological Psychiatry, used functional magnetic resonance imaging (fMRI) to assess visual emotional stimuli and demonstrated the ability to modulate the response to aversive stimuli.
The special issue of Translational Research presents an in-depth view of stem cell research, considering its potential for therapy in various human diseases. Despite scientific and technical advancements, serious ethical concerns remain, including issues of privacy and consent.
Researchers have identified Csy4 as the enzyme responsible for producing CRISPR-derived RNAs, which target and silence invading viruses and plasmids. The discovery sheds light on how microbes use CRISPR to acquire immunity from future invasions.
The American Society of Agronomy has selected 2010 ASA Fellows, including experts in soil science, plant breeding, and water management. The class includes Cynthia Grant, Scott D. Haley, and Peter Kleinman, among others, who have made significant contributions to their fields.
A nationwide survey found that two-thirds of Americans believe synthetic biology should continue, but with more research on human and environmental impacts. The public also harbors concerns about security, moral, and health risks, as well as potential damage to the environment.