Researchers at Delft University of Technology and Oxford University have developed a new, more robust type of nanopore device that combines biological and artificial building blocks. This technology has the potential to revolutionize DNA analysis by making it faster and cheaper.
A University of Gothenburg study finds that China's plastic bag charging policy reduces consumption by half, with 60% still not complying. The ordinance allows store owners to price bags and keep profits, but competition remains fierce.
Researchers at the University of Gothenburg have discovered that superantigens, produced by staphylococcus bacteria, can activate the immune system in more ways than previously thought. This complex interaction may be behind several illnesses, including long-term wound infections and autoimmune disorders.
The European Science Foundation's TECHBREAK initiative aims to identify key enabling technologies that can benefit the space sector. By combining expertise from both space and non-space sectors, TECHBREAK seeks to accelerate scientific progress and innovation.
A recent study reveals that Amazonia's incredible biodiversity originated from the formation of the Andes mountains, dating back over 65 million years. The study found a strong correlation between the mountain's creation and the development of Amazonian species.
Researchers at King's College London have discovered a new gene associated with Hypospadias, a congenital malformation of the male genitalia. The study found that changes in the DGKK gene are strongly linked to an increased risk of hypospadias.
Researchers at the University of Leeds have successfully created artificial spin ice, a state-of-the-art nanomaterial that has been difficult to produce in the past. By achieving thermal equilibrium, they can now study the precise configuration of magnetic monopoles and their potential applications in magnetricity.
Scientists discovered that increasing EphB2 levels can fix memory problems caused by amyloid proteins in a mouse model of Alzheimer's disease. The study found that blocking amyloid proteins from binding to EphB2 and enhancing its functions may be beneficial for AD treatment.
Researchers at US Naval Academy have designed novel blade modifications inspired by humpback whale flippers to improve turbine performance in converting low-velocity tidal flow energy into electricity. The modified blades proved effective in extracting energy at low speeds without degrading performance at high flow speeds.
Researchers found that severe asthma affects 2% of the population and is closely related to chronic rhinosinusitis and nasal blockage. Individuals with multiple asthma symptoms are likely to have a more severe form of asthma, increasing the risk of attacks and negatively impacting quality of life.
Researchers have isolated and observed the kinetochore, a molecular complex that pulls chromosomes apart during cell division, outside of cells. The kinetochore's precise mechanism involves a balance of tension and disassembly to ensure accurate DNA replication.
Two iron compounds have been synthesized to inhibit the growth of Mycobacterium tuberculosis in vitro. The compounds showed low toxicity in mammalian cells, making them promising candidates for treating tuberculosis and serving as hospital disinfectants.
Researchers found that mammal body size patterns changed dramatically after the dinosaurs went extinct. The study, funded by NSF, reveals a thousand-fold increase in mammalian body size over time.
The ATLAS experiment at CERN has directly observed lead ions melting and dissolving into smaller particles, providing insight into the universe's early stages. This phenomenon was only expected to occur at extreme temperatures, confirming the power of the LHC in studying fundamental physics.
Researchers have identified a key role for a protein called RyR2 in the development of long-term changes in brain connectivity associated with learning, memory, and addiction. By upregulating RyR2, nicotine can trigger the formation of new connections in the brain, leading to addictive behavior.
A study by UC Berkeley researchers shows that clean energy investments in rural areas can help alleviate poverty and reduce carbon emissions. In Nicaragua, a community went from using diesel generators to efficient compact fluorescent light bulbs, resulting in a 28% drop in energy use and 37% reduction in electricity bills.
The American Association of Science has awarded ASU's Ask A Biologist website the Science Prize for Online Resources in Education (SPORE) award. The website, developed by Charles Kazilek, features a range of interactive content, including games, quizzes, and podcasts, designed to engage children in science learning.
After the dinosaurs disappeared, mammals grew dramatically in size, with some reaching 17 tonnes, and ecosystems reset relatively quickly. The study reveals that climate and space availability limit mammalian size, with no single group dominating the largest class.
A recent study by Terrance Wade found that 6.5% to 8% of Canadian children have elevated blood pressure, a concern for their physical health and increased risk of heart disease as adults.
A study published in The Lancet reveals that passive smoking claims the lives of over 600,000 people each year globally, mostly among children. The research found that children are more heavily exposed to second-hand smoke than other age groups, and their exposure can have devastating effects on their health.
The Cassini mission has discovered an oxygen atmosphere on Saturn's moon Rhea, which is extremely thin and sustained by high-energy particles bombarding its icy surface. The formation of oxygen and carbon dioxide could be a pre-requisite for life, with complex chemistry potentially common throughout the solar system.
A new study finds that a brief writing exercise can improve female students' academic performance and reduce the gender gap in college science. The exercise appears to narrow the gap by alleviating anxiety related to negative stereotypes about women in science.
Academic users must be aware of how search engines operate to ensure quality sources are chosen. José van Dijck argues that Google Scholar is a co-producer of academic knowledge, not just a neutral tool. Its algorithm prioritizes quantitative citation analysis over relevance and truth-value.
A recent study published in Environmental Microbiology and Nature Reviews Microbiology reveals that E.coli O157:H7 can thrive in cow intestines due to its ability to scavenge ethanolamine, a nutrient not found by other bacteria. This breakthrough could lead to non-medical methods to eradicate the bug, reducing food contamination and hu...
Researchers at Case Western Reserve University have imaged atomic structural changes in sapphires that control their properties. These changes, called dislocations, involve small rearrangements of aluminum atoms and can affect the material's electrical, chemical, and magnetic properties as well as its strength and durability.
Astronomers have detected the first magnetic field in a protostar jet, shedding light on the nature of cosmic jets. This finding suggests that all types of jets originate from a common process.
A recent CU-Boulder study found that simple writing exercises can reduce the gender gap in physics exams. Women who participated in a brief values affirmation exercise showed improved course grades and mastery over conceptual material, surpassing men's performance.
Researchers at UMass Amherst develop a method to produce high-volume chemical feedstocks from pyrolytic bio-oils, a cheap liquid fuel derived from biomass. This process could reduce industry's reliance on fossil fuels worth $400 billion annually.
Cancer treatment decisions will be based on biology as medical oncologists need skills and knowledge to implement personalized medicine. Governments, companies, and clinicians must adapt drug development with targeted patient selection, shorter trials, and cost-effectiveness improvements.
The study analyzed an enormous database of information about the largest mammals, revealing a consistent pattern in their evolution globally. Mammals evolved to be much larger after dinosaurs went extinct, peaking in size around 34 million years ago.
After the dinosaurs' demise, mammals grew significantly in size, from about ten kilograms to 17 tonnes, with consistent patterns across continents and time. The largest mammal, Indricotherium transouralicum, weighed around 17 tonnes.
Scientists at St. Jude Children's Research Hospital identified a signaling pathway regulating neuronal departure from the brain niche, crucial for brain architecture formation and associated with epilepsy and mental retardation. The findings also provide insight into mechanisms in epithelial tissues.
A group of experts recommends creating an emergency stockpile of cholera vaccines to rapidly deploy in high-risk areas, stabilizing countries and preventing outbreaks. The US would face low costs, while the benefits could be enormous, particularly in refugee camps.
Researchers have found that patients with BRAF-mutated melanoma develop resistance to targeted treatment PLX4032 through genetic mutations or cell surface protein overexpression, accounting for 40% of cases. The study aims to develop new therapies targeting these mechanisms.
A new dendritic cell vaccine has been developed at Dartmouth Health, which uses the patient's own tumor cells to stimulate an anti-tumor response. The study found that over 60% of patients who received the vaccine developed immune responses against their tumors, with a significant survival rate five years after treatment.
A research expedition is studying the movement of water in the Southern Ocean to understand the rate of horizontal and vertical mixing between different water layers. The study aims to quantify the rate of climate change by measuring the effects of ocean mixing on heat exchange, nutrient cycling, and atmospheric CO2 concentrations.
A recent study found no evidence of increased birth defect risk from proton-pump inhibitors taken during pregnancy, but an epidemiologist believes further studies are needed. The study's limitations highlight the need for more research into specific PPIs and their effects on fetal development.
Researchers at MIT discovered that restoring the p53 gene function can slow down the spread of malignant lung tumors in mice, but not in benign ones. The study suggests that p53 restoration could help prevent aggressive cancers from metastasizing.
Research found that a high-fat cholesterol diet in rats caused memory impairment, inflammation, and brain damage similar to Alzheimer's disease. The study suggests a possible link between chronic high cholesterol levels and the pathology of this disease.
A new study reveals that cannabis triggers unique immune cells called myeloid-derived suppressor cells (MDSCs), which promote cancer growth. MDSCs actively suppress the immune system, making users more susceptible to infections and certain types of cancers.
A recent study published in Neurology found no significant difference in IQ scores between breastfed and non-breasted babies of mothers taking epilepsy drugs. The study, which followed 194 pregnant women taking one epilepsy drug, suggests that breastfeeding may not have a negative impact on cognitive skills.
Experts recommend stocking up on cholera vaccines to rapidly deploy to high-risk areas, complementing treatment efforts in Haiti. A ready supply could limit the impact of an outbreak and promote humanitarian benefits.
Research by University of California, Berkeley psychologists found that chronic jet lag causes persistent changes in the brain's hippocampus, leading to memory and learning problems. The study, which used female Syrian hamsters as subjects, showed that even after recovery from jet lag, the brain continued to experience deficits.
A Queen's University study reveals that community-based prevention programs improve social and academic functioning for at-risk children, leading to better family and neighborhood outcomes. The study also found significant government savings per child.
Researchers identified coral reefs in the Bahamas that are less stressed by rising sea temperatures, providing a hopeful strategy for conservation. The study suggests that specific geographic locations can better withstand climate change impacts, making them ideal candidates for marine reserves.
Certain types of aggressive breast cancer cells bypass tumor suppression mechanisms due to the presence of Her2 proteins. The study found that protein Lip produced by these cells deactivates protective responses such as TGF-β and OIS, allowing them to grow uncontrolledly.
Research published in Thorax estimates that UK workplace asthma costs the country at least £100 million a year, with potentially as high as £135 million. The study reveals that the condition is underdiagnosed and that the employer should bear more responsibility for reducing exposure to agents causing workplace asthma.
Researchers found five to ten times more massive galaxies existed 1.5 billion years after the Big Bang, with high infrared luminosities indicating intense growth and activity, challenging current understanding of galaxy formation.
Researchers from Leicester and Cambridge discovered genetic markers that identify people at risk of developing potentially fatal blood clots. This breakthrough advances ways of detecting and treating coronary heart disease, a leading cause of premature death.
A new chemical analysis technique developed by NIST uses quartz crystal microbalances to test the purity of small material samples. This technique measures reaction energy needed to decompose or oxidize a sample with heat, offering a more sensitive approach than conventional methods, enabling analysis of nanoparticles and thin films.
A research team has pinpointed a novel cancer gene called COT (MAP3K8) as a key player behind drug resistance in melanoma. The study provides a framework for discovering ways to tackle cancer drug resistance and identifies potential targets for new treatments.
A decade of refinements in marrow and stem cell transplantation significantly reduced the risk of treatment-related complications and death. The study observed a 60% reduction in the risk of death within 200 days of transplant and a 41% reduction in overall mortality at any time after transplant.
Researchers at the University of Illinois developed a new microscopy technique that can identify cancer cells with over 99% confidence in under five minutes. The technique uses nonlinear interferometric vibrational imaging to analyze molecular composition and produce color-coded images, providing clear tumor boundaries.
A new drug treatment, tribendimidine, has shown promising activity against Opisthorchis viverrini infection, with a cure rate of 70% and almost complete egg elimination. The study suggests that tribendimidine is as safe and effective as the current standard treatment, praziquantel.
Researchers at MIT and Harvard discovered that the brain assigns gender to faces based on location, challenging a long-held neuroscience principle. The study found that when people view computer-generated faces without other distinguishing features, patterns of biases emerge based on where the face appears on the screen.
Researchers discovered a novel family of pores that transport sugar out of plant cells, enabling pathogenic bacteria and fungi to hijack the nutrient supply. This breakthrough allows for the development of new crop protection techniques and potential applications in diabetes research.
The Position Paper examines the evidence and concludes that atypical fractures in association with bisphosphonate use are rare. Available evidence shows that the well-known benefits of bisphosphonate treatment outweigh the relatively low risk of these rare, atypical fractures.
Electrical engineers created a miniaturized short pulse generator that eliminates a roadblock for optical interconnects. The pulse compressor enables higher data rates and generates less heat than copper wires, critical for future computer networks.
A recent study investigates the role of group dynamics in promoting lifelong physical activity among teenagers. Researchers found a strong relationship between team focus and perceptions of cohesion, suggesting that teams with a balance of competitiveness and camaraderie are more likely to keep young athletes engaged. This research aim...
In experiments with African cichlid fish, scientists found that females show increased anxiety and decreased attraction when their preferred male loses a fight. Conversely, when the male prevails, the female's brain shows increased activity associated with reproduction and pleasure. These findings suggest that humans may experience sim...