Research finds that faster increases in life expectancy do not necessarily lead to faster population aging when using alternative measures of age. Instead, the study shows that faster increases in life expectancy can lead to slower population aging when taking into account the time left to live.
Researchers at Ludwig-Maximilians-Universität München demonstrate that macrophages can effectively substitute for dendritic cells as primers of T-cell-dependent immune responses. They stimulate a more comprehensive immune reaction than cross-presenting dendritic cells, activating T-cells specific for all antigen-binding sites.
A new study published in Neurology suggests that heavy snoring and sleep apnea may be linked to an earlier age of memory decline. Treating the disorders with a breathing machine may delay the decline, according to the research.
A study suggests that sequencing tumor genomes without comparing them to a patient's noncancerous tissue can lead to inaccurate treatment decisions and side effects. The researchers analyzed over 800 cancer patients' data, finding that nearly half of the identified genetic changes were not related to the cancer.
Researchers at UT Arlington have developed a new power generator that produces electricity up to 25% more efficiently than existing technology. The Afthon process harnesses pressure gain combustion, capturing most of the lost energy and burning fuel over 30 times faster than traditional engines.
W. James Lewis received the 2015 AMS Award for Impact on the Teaching and Learning of Mathematics, recognizing his career-long advocacy for integrating mathematics research and education. He established a national model for teaching at University of Nebraska-Lincoln, shaping math education across the country.
Researchers found routine preoperative testing for cataract surgery is still done in 53% of patients, despite being unnecessary. Testing varies widely among ophthalmologists and seems to be driven more by provider behavior than patient characteristics.
Researchers created a model that predicts asthma-related emergency room visits with 75% accuracy by analyzing Twitter data and air quality sensors. The study highlights the potential of big data to address health challenges, particularly for chronic conditions like asthma and diabetes.
A University of Tokyo research group has successfully synthesized (R)- and (S)-rolipram in high yield with high selectivity using a catalyzed flow fine synthesis. This new technology eliminates excess energy, purification steps, and waste generation, offering a promising solution for the production of medicines and fine chemicals.
Researchers found that early, high-quality caregiving can reduce risks associated with preterm birth and improve cognitive and social development. A new intervention program also showed promise in promoting sensitive parent-child interactions and enhancing parents' enthusiasm for their children.
The EU Active Ageing Index shows a nearly two-point increase overall, but Greece and Latvia fall behind. Countries like Sweden, Denmark, and the UK have done well across all four active ageing areas.
A new study by researchers at the University of Toronto found that women with ADHD are more likely to be sexually and physically abused in childhood, with 34% and 44% respectively reporting abuse before age 18. Health professionals are urged to screen children with ADHD for abuse
A new sensor developed by MIT chemists uses carbon nanotubes to detect gases emitted by rotting meat, offering a cheaper and more accurate alternative to traditional methods. The sensor could reduce food waste by identifying safe consumption dates for perishable items.
A mathematical model proposes that parties form coalitions based on interactions with voters and constituents, analyzing the likelihood of coalition formation. The model accounts for eight different possibilities that can change over time.
A study of over 6,500 Welsh schoolchildren found that many try e-cigarettes but only a small percentage become regular users. The research suggests that e-cigarettes may have a wider appeal than tobacco among all sectors of the teen population.
A new study finds that healthcare providers' passive and reassuring responses to parental concerns about early development delays ASD diagnoses by up to 2 years. Early identification of ASD is crucial for improved long-term developmental outcomes.
Engineers at the University of Toronto have developed the first all-photonic quantum repeaters, enabling reliable and secure data transmission over long distances. The repeaters use highly entangled quantum states to reduce losses and function at room temperature.
A recent study found that e-cigarette use is more common than traditional cigarette use among some teen groups, particularly those aged 11-16, who are also more likely to be smokers. The research suggests that e-cigarettes may have a wider appeal than previously thought, but regular use remains relatively rare.
A study found that sleep disordered breathing can negatively impact declarative memory, making it harder for children to consciously recall learned information. Non-declarative memory, which involves learning new skills through reaction times, was less affected by sleep disturbances.
The Pioneer Accountable Care Organization program achieved a 1.2% savings in its first year, with overall spending reductions totaling $118 million. Researchers found that higher-spending ACOs were able to achieve greater savings, suggesting a need for benchmarks that encourage participation from these organizations.
The $2.5 million funding package supports five health innovations in India, including mobile daycare centers for migrant construction workers' children and early childhood development programs. Grand Challenges Canada has partnered with the Indian government to accelerate efforts to eliminate visceral leishmaniasis in Bihar.
A recent study suggests that genetic testing for BRCA1 and BRCA2 mutations in women with ovarian cancer can help identify carriers and reduce their risk. The study found that 19% of women with the most common form of ovarian cancer carry these mutations, which is higher than previous estimates.
A new study finds that racial disparities in cancer outcomes are decreasing, with African Americans showing faster decreases in cancer mortality than Caucasians. The causes of these disparities include low education and income, as well as reduced access to quality healthcare.
A researcher at the University of Kansas will investigate how organisms transition from aquatic to terrestrial existence, analyzing South American water scavenger beetles. The study aims to understand the mechanics of evolution and how species respond to environmental instability tied to climate change.
Túngara frogs exhibit different escape responses when attacked by ground versus aerial predators. They flee from snakes on the ground but move towards bats in the air, effectively undercutting their flight path. This study highlights the flexibility of prey strategies to evade predators with diverse attack modes.
The NIH has launched a multicenter, international clinical trial to investigate the use of statins in reducing major adverse cardiovascular events among people with HIV. The trial aims to inform the best approach to preventing cardiovascular disease in HIV-infected individuals.
Researchers found that crow chicks raised alongside a cuckoo chick begged less intensely than those in nests without any unrelated broods present. Despite this, the young crows ultimately grew bigger than the cuckoos. The study suggests that sharing the nest with a cuckoo may be advantageous for crow chicks.
A small study found distinct patterns of regulatory tags in DNA from fathers' sperm linked to children's early signs of autism. The presence or absence of these tags was statistically related to Autism Observation Scale for Infants scores, suggesting a potential contribution to the condition.
Researchers observed a rapid gas-filled cavity forming within the synovial fluid, causing the distinctive popping sound when cracking knuckles. The findings may lead to new research into the therapeutic benefits and harm of joint cracking, shedding light on potential long-term effects.
A new study of adolescents finds that youth who mentally step back from their thoughts can deal with negative emotions more effectively and become less upset by them. This self-distancing technique was found to be associated with less emotional distress and greater insights into the experience.
Researchers investigate how BAF protein defends against viral DNA attacks, discovering the virus's ability to turn off this key defensive mechanism. This understanding may lead to targeted therapies for viruses that inject DNA into cells.
A new study finds that wind bursts in the western Pacific can significantly impact El Niño events and their severity. The research identifies three distinct varieties of El Niño and explains how westerly wind bursts determine which flavor will occur. This finding could help improve future predictions of these global-scale climate events.
Researchers found that serum glucocorticoid kinase 1 (SGK1) protects brain cells by blocking pathways involved in neurodegeneration and alleviating mitochondrial dysfunction. Increasing SGK1 levels offers a potential therapeutic approach for Parkinson's disease, as naturally occurring levels are not sufficient to promote cell survival.
A new meta-analysis found that preschoolers and school-age children who can identify what others want, think, and feel are more popular in school than their peers. The study also found a weaker link between theory of mind and popularity for boys, highlighting potential gender differences in social interactions.
A team led by Shree K. Nayar has created a fully self-powered video camera that can produce an image each second indefinitely. The camera uses a pixel that measures incident light and converts it into electric power, eliminating the need for a battery.
Researchers at Michigan State University discovered a new switch that regulates plant photosynthesis, allowing for improved efficiency and resilience to environmental stresses. This discovery may aid in developing plants with enhanced productivity and stability, addressing the increasing demand for food and fuel as climate changes.
Scientists have developed a shape-shifting molecule that tricks viruses into mutating themselves to death. This breakthrough could lead to the development of more effective anti-viral treatments.
Researchers used MRI to observe the effects of knuckle cracking on joint cavities, finding a rapid gas-filled cavity formation. The study's findings may pave the way for new research into the potential therapeutic benefits or harms of joint cracking.
Researchers at Ohio State University have developed a nano-coated mesh that repels oil but allows water to pass through. The mesh has potential applications in cleaning oil spills and tracking oil deposits underground.
Engineers at MIT have devised a formula for estimating how fast a technology is advancing, based on information gleaned from relevant patents. The researchers found that certain metrics across patents, such as forward citations and publication date, are more likely to predict a technology's improvement rate than others.
Research highlights the need for collaboration between the chemical industry and DHS to ensure US chemical facilities' safety and security. The team suggests that communities should develop preparedness plans in anticipation of possible chemical disasters.
A century-old study of 500 young offenders found that only 22% re-offended after release from institutions, compared to 73% today. The research suggests that apprenticeship-type schemes and less serious crimes may have contributed to the lower re-offending rate.
A study found that most partisans prioritize winning elections over policy or ideological goals, leading to increased partisan hostility and uncivil attitudes. The researchers analyzed survey data from the 2010 Cooperative Congressional Election Study and found that loyalty to the party is a primary motivator for many partisans.
A new, non-toxic liquid can create tiny cracks in deep underground rocks to improve power production, reducing water use by half. This environmentally friendly polymer-based fluid also reduces costs and could make unconventional oil and gas recovery more sustainable.
Researchers developed new cell-penetrating peptides with sugar molecules that dissolve easily in water, entering cells more efficiently than standard CPPs and having low toxicity. The team aims to use these CPPs as the basis for safe and efficient drug-delivery methods.
Recent studies show that bird populations are declining in Fukushima, with dramatic decreases in species and numbers, despite a decrease in background radiation levels. The research suggests that exposure to radiation is causing toxic effects, leading to impaired DNA repair capabilities in migratory birds.
Brunel University London is providing a £29,625 grant to train 40 female engineering postgraduates to deliver 'Robo-Code' sessions at secondary schools. The program aims to introduce engineering thinking and computer programming to students, while also engaging girls in STEM subjects.
Researchers found that story details in games are critical to feelings of appreciation, while more meaningful games evoke heightened insights and enrichment. This study encourages game developers to invest in producing games with more interactive and poignant themes.
A recent study published in Science Translational Medicine found that many genetic alterations identified using tumor-only sequencing are not associated with cancer, but rather reflect inherited germline mutations. The study analyzed DNA from 815 patients and found that nearly half of the detected genetic alterations were 'false positi...
A new approach to combating tuberculosis aims to harness the body's natural anti-microbial process, autophagy, to target Mycobacterium tuberculosis. Autophagy is being researched for its potential role in various diseases, including heart disease and neurodegenerative disorders.
Researchers at the University of the Witwatersrand have demonstrated the first observation of angular acceleration in laser light, which can be controlled with a single parameter. This breakthrough could lead to new applications using structured light fields.
Researchers at NIST have developed a precise method to measure the structural configuration of monoclonal antibodies using two-dimensional nuclear magnetic resonance (2D NMR) spectroscopy. This technique allows for high-resolution spectral analysis, enabling the determination of whether protein folding is occurring as desired, and pote...
Researchers validated a previously reported molecular finding on triple negative breast cancer, but found it was limited to a single patient and could not be applied to further clinical work. The study highlights the importance of independent study validation and careful assay development.
Research by UC Berkeley economists finds that limiting CEO stock-based compensation benefits shareholders, while executives may be incentivized through trust-based contracts. The study suggests that government regulation can make executive pay less costly and more effective.
Researchers have linked a new protein, megalin, to aggressive malignant melanoma cells that are more likely to spread. The protein's presence can improve cancer cell division and survival, making it a potential marker for early detection and targeted treatment options.
Researchers at Rice University have discovered a cobalt-based thin film that can produce both hydrogen and oxygen from water to feed fuel cells. The film is highly porous, inexpensive, and scalable, making it a potential alternative to expensive metals like platinum in water-electrolysis devices.
A study published in Medical Care found that nearly 22,400 individuals made healthcare visits within a year before attempting suicide, with 38% making a visit within a week. Racial and ethnic differences were noted, with Asian-Americans being the least likely to make any type of visit before an attempt.
Scientists used tobacco plants with altered defense genes to demonstrate that functional diversity within a species is essential for ecosystem health. The study found that variations in single plant genes can have large effects on whole plant populations, improving their ability to defend themselves against herbivores and other threats.
Researchers have discovered how oxytocin acts on individual brain cells to prompt specific social behaviors. Adding oxytocin to adult mice' brains allowed them to learn and perform social tasks, suggesting potential treatments for social anxiety and post-traumatic stress disorder.
A multicenter clinical trial launched by Yale University aims to evaluate the effectiveness of personalized medicine in treating metastatic melanoma. The trial will enroll patients lacking a particular genetic mutation and use molecular sequencing techniques to match targeted drugs to unique genetic alterations.
Researchers use laboratory animals with genetic mutations to test existing human drugs, improving metabolism and lifespan. The study sets the stage for potential innovative therapies for mitochondrial disease.
Using data from a citizen science project, researchers created a statistical model that analyzes fungal taxa in dust samples to predict their geographic origin. The model achieved an accuracy rate of about 95%, allowing law enforcement and archaeologists to trace dust samples back to specific locations within the continental US.
A new clinical trial found that early initiation of palliative care significantly improved one-year survival rates among patients with late-stage cancer. Additionally, caregivers experienced reduced depression and stress levels when interventions started earlier in the patient's life.
A recent study found that some e-cigarette flavors contain high levels of chemicals that exceed recommended exposure limits and could be respiratory irritants. The research analyzed 30 products and found that 13 contained flavoring chemicals totaling more than 1% by volume, with some levels reaching as high as 3% by weight.
A study by University of Manchester researchers has identified four subtypes of ductal carcinoma in situ (DCIS) that relate to disease recurrence. Patients with certain tumour characteristics, such as oestrogen receptor and progesterone receptor positivity, are less likely to experience cancer progression, while others are at higher risk.
A University of Missouri researcher found that human perception of environmental damage improves over time, despite little improvement in the environmental conditions. Residents' perceptions of the severity of the beetle kill problem decreased during the study period.
The Capitanian extinction, dated to 262 million years ago, is now recognized as a major extinction event globally, with severe losses in brachiopods at high latitudes and widespread loss of carbonates across the Boreal Realm. This new evidence supports its status as a true mass extinction, updating the 'Big 5' list to the 'Big 6'.
Researchers tracked a critically endangered whale migrating over 14,000 miles from Russia to Mexico, raising questions about its status and potential genetic link to eastern gray whales. The study challenges past assumptions of distinct species and highlights the need for closer examination.
Researchers at the University of Illinois found that BPA exposure can cause reproductive problems in mice for three generations. The study reveals that low doses of BPA can have a profound impact on fertility and pregnancy success, contradicting the common assumption that higher doses are more harmful.
A study by University of Florida researchers found that the Prescription Drug Monitoring Program in Florida led to a 25% decrease in oxycodone-related deaths. The program's database helped healthcare providers monitor controlled substance prescriptions, leading to better prescribing decisions.
A new study reveals that making a Lower Paleolithic hand axe requires complex cognitive control by the prefrontal cortex, including working memory and strategic thinking. The skill of making a hand axe is more complicated than previously thought, involving nuanced technological judgments.
Research suggests BPA can alter a turtle's reproductive system and disrupt sex differentiation, potentially affecting human health. Scientists applied BPA to painted turtle eggs, which then developed with female-like sex organs, rendering them unable to reproduce.
A new study finds that children with mild levels of intellectual disability can recall and provide accurate descriptions of maltreatment experiences. Children with more severe intellectual disabilities can also provide useful information but face challenges in recalling events.
Researchers combined powder diffraction data with electron crystallography to solve modulated structures. The technique provides unprecedented detail down to sub-angstrom resolution, improving the reliability of crystal structure investigation.
Researchers and clinicians can design studies, create personalized treatment plans, and inform medical decisions with accurate genomic data. The NYC-CDRN aggregates over six million patients' medical data to study patterns and trends in cancer across a large patient population.
Researchers developed a new calibration technique for thermoluminescence dating, improving accuracy to within 1% using oxygen and lithium ions. The method employs a pulsed ion beam and a combination of detectors to replicate natural radiation exposure.
A study of over 2.4 million Danish citizens found that depression, type 2 diabetes, or both are associated with a higher risk of dementia. Individuals diagnosed with depression or type 2 diabetes alone have an increased risk, while those with both conditions experience the greatest increase in risk.
Cathleen Crudden, a Canadian scholar at Queen's University, has been awarded the 2015 Killam Research Fellowship. She will support her ongoing project on organically modified metal surfaces for biosensing and beyond. Her research focuses on using boron chemistry to catalyze organic synthesis and materials chemistry.
A team of researchers from Cardiff University used sediment cores to construct records of changing ocean temperature and iceberg activity over the last 400 thousand years. They found that abrupt cooling events were often paired with an increase in iceberg activity, but icebergs arrived too late to have triggered cooling at this site.
A new study found that sound, light, and temperature levels in pediatric hospital wards vary greatly, leading to sleep deprivation and impacting disease recovery and quality of life. The research highlights the need for consistent clinical standards to be developed to improve children's experience and quality of life.
Researchers found female chimps predominantly hunt with tools, using a spear-like tool to capture galagos. This technique may be due to social tolerance and access to prey in the Fongoli savanna habitat.
A study found that controlled irrigation treatments at lower substrate moisture content levels can produce high-quality plants with equal shelf life, while reducing water usage. Researchers used Angelonia angustifolia and discovered the benefits of reduced irrigation for retail settings.
A team of UC researchers will study the rare lung disease pulmonary alveolar microlithiasis, which causes 'lung stones' and reduces life expectancy by several decades. The grant will help them develop a mouse model to understand the cause of the disease and design trials for treatment.
A new study reveals that California's forests and wildlands are significant carbon reservoirs, but also release more greenhouse gases through wildfires and deforestation than expected. The findings have implications for the state's efforts to meet its Global Warming Solutions Act goals.
Researchers at Houston Methodist have developed a new, ex vivo lung cancer model that mimics the process of tumor progression. The '4-D' model allows for the study of cancer metastasis, including the growth of primary tumors and formation of circulating tumor cells, providing insights into tumor progression and potential new therapies.
Researchers at Arizona State University are working with the University of Tennessee's Anthropological Research Facility to analyze human remains using isotopic analysis. The team aims to determine a person's diet, birthplace, and travel history using oxygen, hydrogen, carbon, nitrogen, strontium, and lead isotopes.
New research finds that teachers' perceptions of student behavior are influenced by race, with black students being labeled as 'troublemakers' more often than white students. This can lead to harsher discipline and perpetuate racial disparities in school discipline.
Researchers at the Austrian Centre of Industrial Biotechnology successfully produced large quantities of Nootkatone, a natural flavoring substance used in soft drinks and cosmetics. The substance was produced from sugar using genetic engineering in yeast cells, offering an environmentally friendly alternative to chemical synthesis.
Researchers at the University of Utah Health have discovered patterns in DNA anomalies that predict a woman's outcome significantly better than tumor stage, also indicating how well she'll respond to platinum therapy. The new method could lead to personalized prognostic and diagnostic laboratory tests.
Scientists develop a new technique to reduce the halo effect in multifocal lenses, allowing patients with presbyopia to use them safely at night. The technique smoothes the surface structure of contact or intra-ocular lenses, reducing optical aberrations and improving depth of focus.
A common anti-fungal drug, itraconazole, has shown potential in treating metastatic prostate cancer and non-small cell lung cancer. The ReDO project is exploring its use in various cancers, offering a more affordable alternative to existing treatments.
A study by researchers at the University of Bonn found that brain activity in soccer players is similar when scoring a goal or winning money. Players with more egotistical personalities showed increased activity in learning and reflection regions when goals were scored after passing, not after taking the shot.
Researchers found that dietary deficiencies in n-3 polyunsaturated fatty acids limit brain growth during fetal development and early in life. A balanced diet rich in these fatty acids is essential for proper pre- and postnatal neural growth.
A new study found that groundcover management systems can improve soil organic matter and reduce bulk density in organically managed apple orchards. The research suggests that using green compost or commercial fertilizer with these systems can increase plant-available water and meet National Organic Program goals.
A new blood test has been developed to predict future breast cancer by analyzing metabolic profiles of over 57,000 people. The test shows a sensitivity of 80% in predicting the likelihood of developing breast cancer within two to five years.
Researchers at University of Queensland found Botox toxin travels through nerves to central nervous system, where it can intoxicate neighboring cells. This discovery has implications for disease treatments and raises questions about the toxin's long-term effects.
Researchers tested Mike May, who regained sight at 49, and found he could see colors and motion but struggled with complex visual processing. The study provides valuable information on how vision develops and which tasks are most vulnerable to sight deprivation.
A genetic mutation in cattle grazing at high altitude leads to a life-threatening condition called brisket disease, characterized by high blood pressure in the lungs. The study sheds light on human lung disease, particularly non-familial pulmonary hypertension in patients with emphysema and pulmonary fibrosis.