Researchers found specific changes in memory function that correspond to sex and menopausal stage, implicating key areas of the brain vulnerable to age-related decline. Hormone measurements revealed higher estradiol levels correlate with better memory performance in women.
Increased enrollment in Georgia's SNAP program led to a 82% growth in food retailers between 2007-2014. Small retailers accounted for the majority of this increase, with many convenience stores and gas stations expanding their SNAP acceptance.
Researchers at Georgia Tech developed a unified approach to study behavior's impact on the environment, proposing an 'oscillating tragedy of the commons' that considers co-evolution of actions and environment. Cooperation can prevent tragedies, especially when incentives are aligned with environmental conditions.
A study found that African-Americans have greater aortic stiffness than Caucasians and Hispanics, which may explain the higher rates of hypertension and heart disease in this group. The researchers suggest that genetic differences, sodium intake, and potassium levels may contribute to these findings.
Physicists adapt BCS theory to externally drive phonon interaction, elevating critical temperature and creating higher-temperature superconductors. Theoretical approach reveals controlled elevation of critical temperature through time-averaging procedure.
Researchers from Concordia University found that vermicomposting can inactivate harmful bacteria like E. coli in compost, producing high-quality material for plant fertilizers. The worms also generate valuable by-products as animal feed, promoting sustainable waste management and upcycling.
Experts question whether following up low-risk patients with symptoms can improve cancer detection, citing a lack of evidence. Researchers recommend ways to improve safety netting, including doctor-patient communication and system reviews.
Researchers have developed a light-seeking synthetic Nanorobot that can be injected into patients' bodies to help surgeons remove tumors. The Nanorobots use light as the propelling force, responding to the light shining on them like moths being drawn to flames.
Researchers at the Max Planck Institute and Technical University of Munich have measured photoionization with unprecedented zeptosecond precision, determining the timescale of this process for the first time. This achievement resolves quantum mechanics' impact on ultra-short events in atomic interactions.
A UBC study analyzing Trump's speech style and Twitter usage found grandiosity, informal language, and vocal pitch variation as statistical predictors of his success in the Republican primaries. The researchers suggest that these communication styles helped Trump win the nomination despite being shocking to many viewers.
Necroptosis is a crucial physiological process that regulates cell death and tissue function. Researchers have now found that RIPK1 inhibits another inducer of necroptosis, ZBP1, which triggers inflammation when mutated. This study provides new insights into the regulation of necroptosis and its role in chronic inflammatory diseases.
Researchers found that tailored dose-dense chemotherapy did not improve 5-year breast cancer recurrence-free survival, overall survival, or distant disease-free survival compared to standard chemotherapy. However, the tailored group experienced more nonhematologic toxic effects.
A study found that children born preterm or post-term performed lower on academic tests, with those born extremely early showing the most significant decline. Poor fetal growth was also associated with reduced academic performance.
A 75-million-year-old Mongolian oviraptor fossil preserved the original keratinous claw sheath that covered its digits. The study adds to evidence that organic materials can preserve over time, revealing details about how proteins might be preserved.
Researchers at Queen's University Belfast have identified a way to bypass bowel cancer's defence against the drug cetuximab by blocking the ADAM17 protein. This breakthrough could lead to a new combination therapy that delays or prevents cancer recurrence, improving patient outcomes.
Physicists have recorded an internal atomic event with unprecedented precision, measuring the duration of photoionization for the first time with zeptosecond accuracy. The study provides a reliable basis for future experiments and reconciles theory and experiment in complex systems like helium.
New research using big data analysis has found that people's collective behaviour is more predictable than thought, with strong periodic patterns influenced by the weather and seasons. Historical news and social media data revealed cycles in leisure and work activities, diet, diseases, and mental health.
Research reveals a significant link between elevated blood fats and acute pancreatitis, with even mild increases posing a ninefold greater risk. The study's findings highlight the need for further research into the role of common fats in disease development.
A study by Nagoya University found that collapse of the MAM is a common pathological hallmark in SOD1- and SIGMAR1-linked ALS. This disruption leads to Ca2+ dysregulation, exacerbating neurodegeneration. The researchers suggest targeting MAM disruption for future therapeutics.
Researchers have found a link between cancer cachexia and the failure of cancer immunotherapies in patients. By understanding this mechanism, they hope to develop combination therapies that target metabolic abnormalities or hormonal responses, increasing the effectiveness of immunotherapy for more patients.
The Japanese morning glory genome has been fully decoded, revealing genes that determine flower and leaf shapes, as well as flower colors and patterns. The research also identified a gene involved in plant hormone biosynthesis disrupted by transposons in mutants.
A recent study found that shallow coral reefs in Singapore can recover rapidly from bleaching events, despite high levels of sedimentation. The team's research suggests that diverse shallow coral communities can persist in adverse conditions, highlighting the resilience of corals to environmental stresses.
A new study reveals that male chimpanzees prioritize their offspring over building relationships with females, contradicting the long-held assumption that they are solely focused on mating. The researchers found that males spend time with non-mating female chimpanzees caring for their offspring and exhibit paternal behavior towards them.
The highly competitive residency matching process has become increasingly frenzied, driving up costs for students and disrupting the fourth year of medical school. Students are applying to an average of 30-45 programs, with some specialties requiring over 70 applications, leading to excessive travel and financial burdens.
Researchers from Lomonosov Moscow State University have discovered the mechanisms of DNA packaging in the cell nucleus, which has implications for epigenetic control of gene expression. The study reveals that chromatin structures maintain high levels of packing and flexibility despite traditional notions.
Researchers at the University of Houston developed a smartphone-based water testing system using DotLens technology. The system uses commercially available test kits with a low-cost attachment that provides a narrow-band light source, allowing users to identify waterborne pathogens such as Giardia lamblia and Cryptosporidium parvum.
A new study reveals that Neanderthal genes are being removed from the human genome at a rate of weak but widespread selection. The researchers found that the small population of Neanderthals mixing with modern humans led to inbreeding, causing genetic variants to persist and then be weeded out by natural selection.
A randomized trial found that providing pregnant and postpartum women with multiple HIV self-tests increased the likelihood of their male partners being tested for HIV. The study showed a significant increase in partner testing, with 90.8% of partners tested within three months of enrollment, compared to 51.7% in the control group.
A new study from Oxford University reveals that the first month after infection is crucial in controlling drug-related HIV spread. Researchers found that needle exchange programmes and harm reduction measures are essential in targeting transmissions within this period.
A Michigan State University study found that hyenas gain an advantage by cooperating during fights with lions, emerging victorious more often. The research team analyzed 27 years of data to fully describe this cooperative behavior, revealing that the number of participating hyenas increases their chances of success.
The study found that economic and inequality variables significantly impact healthcare workforce production, with more schooling correlating to a better nurse-to-population ratio. Gender inequality is also a significant factor, with nurse/midwife production being more sensitive to broader gender issues than physician production.
A public database of macromolecular diffraction experiments has been developed to archive raw data and metadata from X-ray crystallographic studies. The resource contains 3070 experiments with partially curated metadata, aiming to improve protein structure-determination methods and ensure the availability of orphan data.
The US Department of Energy's Brookhaven National Laboratory has received three 2016 R&D 100 Awards for its innovative technologies in microscopy, catalysis, and nanomaterials. The lab's custom-built x-ray microscope has advanced imaging capabilities, while the MoSoy Catalyst produces hydrogen in an environmentally friendly way.
A new generation of teixobactin-based antibacterial drugs has been discovered by HKU Chemists. The researchers successfully synthesized the antibiotic Teixobactin, which can kill a range of pathogens without detectable resistance.
A research team at the Krembil Research Institute has discovered a genetic signaling pathway that controls blood vessel development in the brain can stop brain tumor formation. Blocking this pathway, Norrin/Frizzled4 (Fzd4), creates more opportunities to form pre-cancerous growths and speed up tumour initiation.
A University of Toronto study found that infant handling and natal attraction had a significant impact on the weaning process in female chimpanzees. Infants who were held and carried more by babysitters nursed less often and drank less milk, becoming nutritionally independent sooner.
Research by Allina Health LifeCourse reveals that late-life quality of life improves socially but remains emotionally stable, with caregivers playing a crucial role. The study also identifies the need for training and support for family members in caregiving roles.
Researchers at the University of Florida identified cells targeted by a male hormone and found that excess hormone exposure during fetal development can cause vaginal defects in females. The study found a specific window of hormonal influence and a type of cell responsible for guiding the developing vagina to its correct position.
Researchers have developed an algorithm to detect fake reviews on ecommerce sites, analyzing behavior and content features to identify deceptive posters. The method outperforms earlier detection algorithms, providing a more accurate picture of product ratings.
Scientists from OIST Graduate University have modelled a spin liquid, showing disorder can co-exist with order in magnetic materials. The discovery offers exciting possibilities for new discoveries in physics and paves the way for finding real magnets in multiple states at once.
Researchers have discovered a new high-risk subtype of acute lymphoblastic leukemia (ALL) characterized by chromosomal rearrangements involving the MEF2D gene. A possible targeted therapy, panobinostat, has been shown to stop proliferation of human leukemic cells with this rearrangement.
Researchers analyzed sediments from a Tanzanian peat bog to reconstruct the region's ecosystem over 1,200 years. The study found that forest biodiversity remains relatively stable despite human activity, but climate change poses a threat to its future.
A new UCL study found that mismatched light and heat levels can cause major disruptions to body clock function, leading to behavioral changes and molecular signals. The research suggests that a moderate time lag between light and temperature causes the clock to break down, with significant effects on behavior.
Researchers at UC San Diego have fabricated a semiconductor-free microelectronic device using metamaterials, showing a 1,000% increase in conductivity. The discovery paves the way for faster and more powerful devices, as well as more efficient solar panels.
A study by University of Nottingham researchers found that giant hissing cockroach species adapt to either 'lover' or 'fighter' strategies for winning females, with Flat-horned cockroaches being non-aggressive and focusing on sneaky mating, while Wide-horned cockroaches are aggressive combatants.
A new study found that young children can experience PTSD for years after a traumatic event, often unnoticed by their parents. Researchers discovered that parent reports of PTSD may be inadequate to identify chronic patterns in young children, and that parental mental health is linked to child PTSD.
Researchers found that tooth shape influenced diet and feeding biomechanics, with selection favoring maximum damage, not just force or energy. The study used 3D-printed replicas of ancient mammal teeth to test the impact of different diets on early mammals.
A Nagoya University research team used a new image processing tool to confirm that humans have evolved specifically to detect snakes. Humans were able to identify snakes in much blurrier images than other harmless animals, suggesting heightened visual awareness of snakes.
A recent study suggests that treating mild hypothyroidism in pregnant women with levothyroxine may lower the risk of low-weight babies and early caesarean sections. However, there was no significant difference in other obstetric outcomes between treated and untreated groups.
A study published in PLOS Genetics found that natural selection removed weakly deleterious Neanderthal gene variants from the human genome, as they were more effective in larger human populations. This loss of Neanderthal ancestry is attributed to historical differences in population sizes between humans and Neanderthals.
A new clinical trial at UTHealth aims to develop more effective treatment strategies tailored to individual responses for patients overcoming cocaine addiction. The study combines motivational incentives with mindfulness skills training to boost abstinence rates and improve patient outcomes.
Researchers at the University of Pittsburgh Cancer Institute discovered that cancer cells exploit a previously unknown mechanism called alternative lengthening of telomeres (ALT) to reset their telomere clocks. This allows them to continue dividing and growing, making them more aggressive and resistant to treatment.
A study by an international team solves the origin of successive generations of stars in globular clusters. The most massive, evolved AGB stars are found to contaminate the interstellar medium, giving rise to new generations of stars.
Researchers at the Centre for Genomic Regulation have identified a new pathway to therapy discovery for Huntington's disease. The study found that blocking the activity of messenger RNA (mRNA) is enough to revert alterations associated with the disease.
Researchers develop domain-swapped T cell receptors that increase the safety of TCR gene therapy by preventing mispairing between introduced and resident chains. These new receptors retain functional domains and prevent autoimmune disease in mice and human cells, offering a promising tool for cancer treatment.
A lab at Southern Methodist University is searching for a biological mechanism to intervene in the growth of virus-induced cancers. The researchers discovered that certain viruses, including human T-cell leukemia virus and high-risk human papillomaviruses, share a common mechanism to evade the immune system.
Researchers have discovered a huge magmatic lake, 15 kilometers below a dormant volcano in Bolivia, which could help explain why and how volcanoes erupt. The find suggests that similar bodies of water may be 'hiding' under other volcanoes.
Researchers found that cancer tumors interfere with the liver's ability to cope with wasting and impair its response to immunotherapy. Massive caloric supplementation does not vanquish wasting, and immune therapy does not impair the tumor's ability to thrive.
Researchers have discovered that the NAALADL2 molecule, which indicates more aggressive prostate cancer, can also be used to guide treatments. This new marker has the potential to distinguish between slow-growing and fast-growing prostate cancers.
A new study found that heart surgery patients' chances of survival depend on the overall level of teamwork among all physicians who cared for them. Tight 'social networks' of physicians are linked to improved patient outcomes, including lower readmission rates and reduced mortality.