Researchers at Johns Hopkins Medicine have created SNOMAD and DRAGON to help decipher the complex patterns of gene activity in brain tissue. By applying these tools to microarray data from conditions like Down syndrome, they aim to identify genes involved in causing problems.
A study found that mice deficient in RGS2, a regulatory protein, exhibited persistent vessel constriction and strongly hypertensive effects. This suggests that abnormally prolonged GPCR signaling may contribute to the onset of hypertension.
Researchers find that coastal ecosystems are fragmented into smaller neighborhoods, with varying species distributions and abundance rates along the coast. The study uses innovative technologies to measure wave forces and track marine organism movement, shedding light on the complex dynamics of ocean ecosystems.
The US government's efforts to declassify historic records have been met with frustration from historians and researchers, who face security restrictions and lengthy review processes. Despite these challenges, Meade emphasizes the need for thoughtful declassification to balance secrecy and scholarship.
Researchers are exploring the potential for plant-based therapeutics and edible vaccines in medicine. The symposium aims to understand how individual variations affect reactions to food and drugs.
A symposium at Stanford Medicine explores the ethics of using race as a research variable, with Dr. Cho arguing that genetic differences are often misrepresented by racial classification. The discussion focuses on the implications of this approach for drug development and our understanding of human identity.
A new study suggests that the brain's language centers may be identified using the genetic expression of certain brain receptors in vocal-learning birds and mammals. The research, led by neurobiologist Erich D. Jarvis, reveals a highly specialized pattern in the genetic expression of these receptors in songbirds capable of vocal learning.
Researchers found that RGS2-deficient mice developed strongly hypertensive conditions and persistent vessel constriction due to prolonged GPCR signaling. Genetic defects affecting RGS2 function may also contribute to hypertension in humans, according to findings published in the Journal of Clinical Investigation.
Researchers explore how artists like Monet and da Vinci use light, color, and vision to create illusions of space and color. Neuroscientist Margaret Livingstone explains that luminance and flat-reflecting mediums influence visual perception, making objects appear differently in various situations.
Scientists have identified a key protein involved in regulating blood pressure, RGS2, which works by stopping the action of angiotensin II and enabling arterioles to relax. This discovery may lead to new ways of diagnosing and treating high blood pressure in individuals with underlying genetic defects or differences.
A professor at Stanford University suggests a genetic mutation triggered modern human behavior, contradicting the majority of anthropologists. Genetic analysis of the foxp2 gene supports his theory, suggesting it evolved around 50,000 years ago.
Research suggests that postnatal experiences can affect brain development and function in individuals with Fragile X syndrome, a genetic disorder causing mental retardation, and schizophrenia, a severe emotional disorder. Abnormalities in synaptic pruning processes and neurotransmitter regulation are common to both conditions.
Researchers are conducting studies on shrimp to better understand the genetic basis for proteins causing allergic responses. By altering the epitopes in shrimp allergens, binding action could be stopped, potentially leading to allergen-free foods.
Gavin Sherlock, PhD, director of the Stanford Microarray Database, discusses the history of gene microarray databases and their growing importance in making research data publicly available. A common standard, Minimal Information About a Microarray Experiment, has been established to facilitate easy access to the data.
Researchers from PISCO integrate genetics, microchemistry, and computer mapping to understand coastal ecosystems. They discover coastal hotspots with abundant food and faster growth rates, and track larvae movements using mini-flight recorder technology.
Scientists are developing new approaches to disaster prevention, including tools for wildfire management and prediction systems for heavy rainfall and landslides. These initiatives aim to reduce the impact of extreme weather events on communities.
A new laser-based technique could aid in drug design and testing for various neurological disorders, enabling the discovery of compounds to block cocaine poisoning effects. The technique allows researchers to study signal transmission between cells and identify potential therapeutic agents.
The Tribal Environmental and Natural Resources Management (TENRM) program combines Western science with Native American perspectives, providing a unique educational approach. The program addresses the lack of Native Americans in STEM fields, offering flexible curriculum and support to students.
Research by Stanford's Eric Knudsen shows that barn owl's brain mapping can be altered by early life experiences, leading to a persistent effect on visual and auditory navigation. Young owls wearing lenses that shift their visual world can develop a new mental map, but adult owls without this experience cannot form a new map.
Researchers are using innovative new tools to study coastal ecosystems, including genetic mapping of marine populations and remote ocean sensing. These tools are helping scientists understand the dynamics of ocean environments and track the movement of marine species.
Researchers are investigating novel quantum states by examining materials in reduced dimensions, which confine electron flow. This approach has led to the discovery of unusual metals and a better understanding of phase transitions at quantum limits.
Researchers at UCSC have linked oceanographic events with rockfish recruitment patterns, finding two distinct groups of species responding differently to warm and cold water conditions. The study provides insights into the year-to-year variation in replenishment of these fish populations.
Dr. Uma Chowdhry highlights emerging technologies, including biotechnology and nanotechnology, to develop new products and processes using renewable resources. DuPont has set goals to derive 25% of revenues from non-depletable resources by 2010.
The American Society for Microbiology has adopted policies to deal with publications that may describe misuse of microbiology or select agents. The ASM Publication Board requires research articles to contain sufficient detail to permit repetition by others and authors must agree to supply materials in accordance with laws and regulations.
Fotini Markopoulo Kalamara presents a fresh approach to researching theoretical possibilities for looking inside black holes and at particles of space/time. She proposes that an 'inside' quantum theory of gravity should be the collection of all partial observations of the inside observers.
Food-borne illness remains a major concern despite a safe food supply, as supermarkets increasingly rely on procedures and processes to meet growing demand for diverse international foods. International supermarket chains have a strong motivation to ensure food safety due to liability concerns and damage to reputation.
A team of researchers has found that Trichostatin A significantly reduces excess protein in urine and spleen weight in mice with systemic lupus. The compound may have therapeutic benefits for humans with the disease, which affects up to 70% of lupus patients.
A team from Los Alamos National Laboratory has mapped the hydrogen distribution on Mars, indicating significant water reserves near the surface and subsurface. The findings suggest that Mars could support future human exploration with its extensive water resources.
The symposium aims to highlight problems with premature publication and press briefings, showcasing the need for peer review and fair journalistic practices. AAAS emphasizes the importance of scientists explaining their research in plain language, addressing misconceptions about open-access publishing systems.
Journal editors emphasize protecting the integrity of scientific research through reproducibility and security measures. They advocate for self-governance in publishing potentially sensitive research to balance benefits with risks.
Researchers at UC Santa Barbara have developed new tools to study the near-shore environment, including remote sensing and genetic analysis. By analyzing chemical signals in growing skeletons and genetic differences among populations, scientists can track the movement of marine animals and understand barriers to dispersal.
Researchers have developed a new all-optical-atomic clock that can keep time with greater precision than existing atomic clocks, by five orders of magnitude. The clock uses non-linear optical fibers to generate optical-frequency combs and determine frequencies by counting the number of teeth in the comb.
Researchers at the University of Minnesota are examining the effects of institutional care on brain-behavior relations. The study found that institutionalized children lagged behind those living with their families in cognitive, language abilities, behavioral adjustment, and neurophysiological indicators.
Similar efficacy responses were seen in both the 908/r regimens and the LPV/r regimen, meeting the primary endpoint of non-inferiority at 24 weeks. Patients achieved positive antiviral responses with both 908/r and LPV/r regimens.
Researchers found baby aspirin to be less effective in reducing the risk of stroke compared to adult and coated formulas. The study suggests that age and gender play a role in a person's response to aspirin, with women being more effective than men.
Researchers are using toxicogenomics to study the genetic and protein changes in individual breast cancer cells to assign effective drug treatments. This approach allows for more precise treatment options and earlier detection of toxicity, enabling doctors to make informed decisions.
The Phase III, 48-week NEAT study found that 66% of patients taking 908 achieved undetectable viral load compared to 51% on nelfinavir. The study also showed improved safety and efficacy profiles for 908, with lower rates of adverse events and virologic failures.
A new approach to brain angioplasty using local anesthesia with mild sedation safely performed on 10 patients, showing promising results in minimizing complications. The study found that the procedure was technically successful but resulted in three minor complications related to stenting and bleeding.
DuPont scientists have developed a bio-based method using corn instead of conventional petroleum-based processes to produce the latest polymer platform. The new process uses fermentation-based production of 1,3 propanediol, which is used to create DuPont Sorona polymer with unique technical properties.
Researchers found that ginseng compound increased brain chemicals associated with memory, improving average memory function after 12 weeks. The study, however, has limitations and recommends further research to establish efficacy and safety.
Researchers at University of Warwick develop innovative technology to produce hydrogen from natural gas in compact reactors, enabling efficient fueling of hydrogen-powered cars. The process employs novel heat exchange technology and nanocrystaline catalysts to increase efficiency and reduce emissions.
A Los Alamos researcher has calculated the frequency of meteor encounters with the atmosphere, finding that individual monitoring stations would see about five meteor signals a year. This research will help improve the accuracy and reliability of nuclear test detection systems.
The NIH is set to advance science and improve public health through a new initiative that focuses on multidisciplinary teams and cross-cutting initiatives. The plan aims to tackle pressing biomedical challenges by integrating multiple disciplines and addressing public concerns.
Researchers explore the concept of tribal warfare, revealing that revenge is a primary motive, often linked to deterrence, while social units strive for balance in losses and gains. The study of Waorani tribe in Ecuador suggests that a cultural understanding of revenge can be complex and nuanced.
A Penn State cartographer emphasizes the importance of careful color choices in visual representation to reveal relationships and patterns in complex data. An online web tool, ColorBrewer, provides pre-designed color palettes that cater to color blindness and are suitable for various mediums.
Research on montelukast treatment for reactive airway disease in infants with RSV bronchiolitis shows increased symptom-free days and nights, while study on exercise capacity in COPD patients reveals it as the best predictor of mortality.
A severe allergic anaphylactic reaction was triggered in a woman with shellfish allergy after kissing her boyfriend, who had eaten shrimp hours earlier. The incident highlights the importance of counseling patients to avoid exposure to food allergens through all potential routes, including kissing and touching.
A recent study found that neglect during infancy can have lasting effects on children's social and emotional development. Internationally adopted children who spent time in institutions exhibit difficulties with forming close bonds with parents and displaying wary behavior towards strangers.
Researchers discover new life forms living in extreme environments, such as gold mines and volcanic rocks, providing clues to the origins of life on Earth and potentially on Mars. These microorganisms may be using nuclear energy or toxic waste as fuel, shedding light on the diversity of possible fuel sources for life.
Adverse experiences in early childhood can lead to changes in brain structure, gene expression, and neurotransmitter function, increasing sensitivity to stress. This increased stress sensitivity is a significant risk factor for mood disorders and medical diseases.
Researchers studied Romanian and Russian children adopted by families in the US, finding they had normal intelligence but struggled with attention and sensory-motor skills. The study suggests that early childhood experiences can alter brain development and have lasting effects on physical and behavioral problems.
Researchers detected a sudden cooling of the star Rho Cassiopeiae in 2000, resulting in an unprecedented mass ejection into space. The star is now considered one of the brightest yellow hypergiants in the Milky Way, with a luminosity over half a million times that of the Sun.
A study analyzing data from a large ongoing stroke study found that living in an area with high poverty levels and unemployment is an independent risk factor for stroke. The finding holds true across racial groups, highlighting the need to rethink stroke-prevention programs and prioritize disadvantaged communities.
Researchers found that children living in orphanages for over eight months had elevated cortisol levels, while those adopted early did not. However, internationally adopted children from poor care showed no significant differences in cortisol levels.
The behavior of punishing others for their injury is widespread in the animal kingdom, with humans adding a conscious sense of what to achieve through revenge. This leads to complex social rules governing who can be targeted and when, often prioritizing balance over personal relationships.
Scientists have discovered new life in the deep ocean floor, specifically microbial methane makers that thrive on frozen methane hydrate. The team's research aims to develop realistic models of hydrate distribution and rate of formation in seafloor sediments.
Researchers have identified genetically superior cultivars of native grasses that can outcompete invasive species like cheatgrass. These findings could inform the development of effective re-vegetation strategies for burned and degraded lands.
Roscoe's research on New Guinea tribes suggests that revenge-driven wars are fueled by humans' unique ability to model actions and manipulate emotional states. This allows for the de-humanization of enemies, making it easier to justify violence.
University of Alberta researchers are working on a project to remotely scan and analyze core samples, allowing geologists to determine the type and quality of rock without physically inspecting them. This technology has the potential to improve mine safety, accuracy, and production by reducing the need for human intervention.
A model suggests that only coarse-textured soils can form fingers capable of moving deep into the soil, leading to inefficient water use and potential groundwater contamination. Laboratory experiments show that even small amounts of water can create persistent pathways in sandy soils.