Researchers found that bacteria cells start dividing normally but unexpectedly 'pop' when the colony reaches a certain density. This phenomenon is linked to the amplification of plasmids in response to cell density, highlighting the importance of considering hidden interactions in engineered gene circuits.
Oil rig workers increasingly rely on telemedicine to receive medical attention due to limited access to healthcare. The use of technology enables real-time communication between nurses and emergency physicians, reducing response times and improving patient care.
BGU Professor Ron N. Apte received the 2010 Samuel and Paula Elkeles Prize for Outstanding Scientist in the Field of Medicine. His research focuses on inflammation in malignant processes, with a major emphasis on IL-1-mediated inflammation in tumor invasiveness and metastasis.
A new study found that rising temperatures in Asia will slow rice production, with daily minimum temperature increases cutting yield growth rate by 10-20 percent in several locations. This could lead to food insecurity and poverty for the over three billion people who rely on rice as their staple food.
Magnetic nanoparticles are injected into tumors to generate heat for cancer treatment. Magnetic relaxometry measures the relaxation of magnetic moments to determine particle quantity, allowing for selective tumor treatment.
A new study reveals that men who experience stiff competition for female attention live shorter lives, with mortality rates increasing by 1.6% among those with higher sex ratios. The researchers suspect that this phenomenon is caused by a combination of social and biological factors, including stress and embodiment of the social world.
Recent research found that forest fires stimulate the conversion of ammonia to nitrates, a crucial step in the nitrogen cycle. This process is triggered by charcoal deposition and can continue well after the fire has passed, benefiting coniferous forests in the inland Northwestern US.
Children of incarcerated parents face increased risks of behavioral problems, substance abuse, and lower academic performance. A strong attachment with alternative caregivers can mitigate these effects, according to research by Julie Poehlmann at the University of Wisconsin-Madison.
Researchers at Duke University have developed a method for injecting substances into single cells using sharp fluid jets, which may revolutionize stem cell research and cellular-level studies. The technique allows for the introduction of live cells to nontoxic substances without significantly damaging them.
Research from Northwestern University found that healthy eggs require high levels of zinc to mature and be fertilized. The study may lead to advances in fertility treatment by enabling doctors to assess the best eggs for successful embryo formation.
USC neuroscientists use new method to trace brain circuits, revealing a distributed network that overcomes local damage and has alternate pathways. The study suggests the brain may be more like the Internet than previously thought.
Researchers at Massachusetts General Hospital found that brain-wave patterns predict the ease of disruption by noise, with participants maintaining consistent spindle rates during sleep. The study aims to develop solutions to help patients stay asleep in noisy environments, such as hospitals.
Scientists find that water fleas facilitate bacterial dispersal, allowing microbes to reach inaccessible habitats. The 'conveyor-belt' hypothesis is confirmed through lab and field experiments.
Researchers identified a signature of three biomarkers in cerebrospinal fluid that can correctly classify patients with Alzheimer's disease. The study suggests that these biomarkers can detect the pathogenic process of Alzheimer's disease at an early stage, potentially leading to earlier diagnosis and treatment.
The Farming Systems Greenhouse Gas Emissions Calculator helps farmers maximize their potential economic returns in greenhouse gas markets. By changing farming practices, users can reduce greenhouse gas losses and gain an economic advantage.
Engineers and physicians at the University of Washington have developed a scaffold that supports the growth and integration of stem cell-derived cardiac muscle cells. The scaffold accelerates oxygen and nutrient supply to transplanted tissue, promoting heart repair and vascular tissue engineering.
Research led by UNC studies found that corporal punishment is prevalent globally, with 79% of preschool children in the US and varying rates in other countries. Harsh physical discipline was epidemic in all communities, and mothers with fewer education years were more likely to use physical punishment.
A new test for oral cancer, developed by researchers at the University of Sheffield, uses a brush to collect cells from a patient's mouth and analyzes them in under 20 minutes. This technology has the potential to significantly increase early detection rates and improve patient outcomes.
Researchers at Columbia University have found that ROCK2 may be a good therapeutic target for treating autoimmune disorders, while targeting CD13+ CSCs in liver cancer could provide a new treatment approach. Additionally, scientists at Stanford University developed ways to enhance RNAi efficacy and persistence while decreasing toxicity.
A new study re-examines the mosasaur fossil, considered the world's finest, revealing that these marine reptiles were better swimmers than previously thought. The team demonstrates that advanced shark-like swimming began in mosasaurs millions of years earlier than previously believed.
The American Dietetic Association emphasizes that schools and communities share the responsibility of providing students with access to high-quality, affordable nutritious foods and beverages. Strong wellness policies promote environments that enhance nutrition integrity and help students develop lifelong healthy behaviors.
A Penn State study found that home health aides who received training had lower injury rates and higher job satisfaction. Training also reduced turnover intentions, benefiting both employees and organizations. Employees' perceptions of their training and workplace played a crucial role in their risk of injury.
A recent study published in Psychological Science found that people find humor in moral violations when they seem harmless or non-threatening. The researchers tested this theory by presenting volunteers with different scenarios and rewarding them with candy bars. They discovered that the situations involving a moral violation were more...
A study found that improved Medicare Part D coverage led to an increase in antibiotic use among older adults, especially for broader-spectrum antibiotics. This suggests that reimbursement may play a role in addressing inappropriate antibiotic prescribing and use.
A new antiviral drug has shown significant promise in treating hepatitis C, particularly in patients with genotype 1, the most difficult to treat. Adding the drug nearly doubled the treatment's effectiveness when given for 48 weeks.
The SPRINT-1 study found that adding boceprevir to standard hepatitis C treatment can significantly increase the response rate for genotype 1 patients. The addition of boceprevir to peginterferon and ribavirin regimens resulted in higher rates of sustained virological response compared to the control group.
Researchers identified a genetic variant on chromosome 18 associated with increased TB susceptibility in African populations. The study demonstrates the feasibility of genome-wide association studies in Africa, which have been successful in European populations but faced challenges due to high genetic diversity.
Researchers at Harvard University have developed a new terahertz semiconductor laser that emits highly collimated beams, suitable for applications such as security screening and chemical sensing. The advance uses metamaterials to confine and collimate the THz light, opening up new possibilities for terahertz science and technology.
A UCSF-led team has discovered a direct link between an inherited genetic mutation, developmental abnormalities, and juvenile myelomonocytic leukemia (JMML), a rare form of childhood cancer. The study found that germline CBL mutations are inherited in nearly half the families affected by JMML.
Researchers at UCI, UCSD, and Harvard have induced robust regeneration of nerve connections that control voluntary movement after spinal cord injury. By deleting a cell growth inhibitor called PTEN, they achieved this breakthrough by turning back the developmental clock in a molecular pathway critical for the growth of corticospinal tr...
A large-scale genetic study identified key genetic markers linked to developing meningococcal meningitis and septicaemia. The research suggests innate differences in natural defences leave individuals vulnerable to the bacteria.
Researchers from Helmholtz-Zentrum Berlin für Materialien und Energie (HZB) used X-ray absorption spectroscopy to observe electron transfer in biochemical substances. They discovered a 'dark channel' where excited electrons remain longer, preventing fluorescent light emission.
Scientists have created a mouse with highly effective human immune system components, enabling it to specifically target and destroy cancer cells. This breakthrough could lead to new immunotherapy approaches for cancer treatment.
A Cochrane Systematic Review found that telemonitoring reduces mortality in patients with chronic heart failure, while structured telephone support has no significant benefit on mortality. Both technologies significantly reduced hospitalizations due to worsening of heart failure.
A recent study published in the Cochrane Database of Systematic Reviews found no evidence that antidepressants can treat autistic spectrum disorders in children. In fact, the medication may cause serious harm due to the small number of trials conducted and varying assessment methods.
Researchers have successfully transferred green pepper genes into African bananas, giving them resistance to the deadly Banana Xanthomonas Wilt disease. The banana varieties exhibit strong resistance to the disease and could potentially save millions of farmers' livelihoods.
A Greenland glacier has lost a quarter of its floating ice-shelf, giving birth to an ice island four times the size of Manhattan. The freshwater stored in this ice island could keep the Delaware or Hudson rivers flowing for more than two years.
A newly discovered molecular mechanism helps control the amount and effectiveness of a substance that mimics an active ingredient in marijuana. The study suggests that the enzyme ABHD6 plays a crucial role in degrading this substance, which is produced by the body's own nerve cells.
A recent study suggests that humanity's response to climate change could do more harm than the changes itself. The research highlights the devastating impact of human activities on tropical forests and biodiversity. To mitigate this damage, experts emphasize the importance of planning and adopting sustainable practices.
A study by University of Nebraska-Lincoln researchers found that voters carved into new districts often know less about their congressperson than those in their former home counties. This can lead to a significant informational disadvantage, resulting in random voting choices.
Researchers created an artificial bee eye with a fully functional camera, achieving a comparable field of vision to bees. This system could inspire the development of mobile robots and small flying vehicles with enhanced navigation capabilities.
Dr. Nadeau's research focuses on the impact of ancestral generations on an individual's health status, challenging traditional studies that rely solely on inherited genes and environmental exposures. The NIH Director's Pioneer Award supports his five-year investigation into transgenerational genetic effects.
The University of Colorado College of Nursing has received a $753,817 grant to develop an innovative master's program in nursing leadership and healthcare systems. The i-LEAD program aims to prepare advanced practice nurses with expertise in providing high-quality healthcare in rural and medically underserved areas. The program will pr...
Scientists have isolated an improved variant of yeast Cryptococcus flavescens that tolerates fungicide and is being evaluated as a biocontrol agent. This yeast has shown promise in reducing scab damage by up to 85% when combined with other fungicides.
Researchers at Rutgers University studied the doubly magic isotope of tin with 50 protons and 82 neutrons, providing insights into its stability and potential formation in supernova explosions. The study's findings may also contribute to developing next-generation nuclear reactors and forensic analysis techniques.
A recent UC Denver study found that attractive women face discrimination when applying for certain jobs considered masculine, such as research and development or construction supervisor roles. In contrast, attractive men faced no similar disadvantage. The study highlights the existence of a double standard in hiring practices between m...
Scientists at EMBL identified two proteins, PRC1 and kinesin-4, that control the formation and size of microtubule overlaps in the spindle. This adaptive mechanism ensures the overlap remains constant without affecting microtubules elsewhere in the cell.
A UBC study found that youth and prison inmates with multiple tattoos are at higher risk of contracting hepatitis C. The study recommends improving hygiene and infection-control guidelines for tattoo artists and clients to prevent the spread of blood-borne diseases.
Researchers found that apathetic aphids, accustomed to ignoring pheromone alarms, are more vulnerable to ladybug attacks. This study provides a potential strategy for increasing the effectiveness of aphid predators in crop protection.
After 15 years, man-made and natural wetlands were found to be similarly effective in retaining phosphorus and nitrates, and both acted as significant carbon sinks. The naturally colonizing wetland produced more plant biomass and emitted more methane, while the planted wetland hosted a higher diversity of plant species.
A new study found that children's vegetable intake doubled after participating in a program using multimedia and role models, including Popeye cartoons. The program also led to increased variety in vegetable consumption and improved parental engagement in encouraging healthy eating.
Researchers at Lawrence Berkeley National Laboratory have developed a graphene noise model, showing minimal background signal noise near the Dirac point. The model reveals an M-shaped pattern in single-layer graphene and a V-shaped pattern in bi-layer graphene, correlating to spatial-charge inhomogeneity.
Researchers found established populations of genetically modified canola plants outside agricultural fields in North Dakota, reproducing and adapting to local environments. This discovery highlights concerns about the spread of biotech products and their impact on native species.
Yoed Rabin is developing biothermal technologies for cryopreservation and cryosurgery using vitrification, glassy materials, and wireless temperature sensors.
Recent Mexican drug control efforts have led to a significant drop in methamphetamine treatment admissions in Mexico and neighboring Texas. Researchers attribute the decline primarily to import controls on pseudoephedrine precursor chemicals.
A recent study reveals that media reports of the time callously mocked the suicides of Grub Street writers, who were unfairly marginalized and exploited. These writers played a crucial role in Western civilization, contributing to the Enlightenment and undermining the French monarchy.
Researchers used satellite data to calculate the amount of water in the Amazon River floodplain, finding an average of 285 cubic kilometers per year. This discovery highlights the complexity of measuring water volumes in remote regions and underscores the need for further research on global water supplies.
Research shows that community poverty is linked to lower rates of arteriovenous fistula use among newly diagnosed dialysis patients in poorer communities. This suggests that targeted interventions are needed to improve pre-dialysis care for these patients.
A team of Arizona State University researchers will collaborate with colleagues from top universities to develop next-generation lasers and infrared photodetectors. They aim to improve the physical and structural properties of antimonide-based compound semiconductor materials, enabling high-performance sensing and imaging devices.
A new study found that praying for another person's healing can be effective, especially when the prayerer is physically near the person. The study, which measured improved hearing and vision in rural Mozambican subjects, revealed statistically significant benefits after proximal intercessory prayer (PIP) was administered.