Recent studies suggest that flavanol-rich cocoa can enhance brain blood flow, potentially improving cognitive function and learning. Researchers found significant correlations between flavanol consumption and reduced rates of heart disease and cancer among the Kuna Indians in Panama.
Researchers from the Autism Genome Project have made significant discoveries about the genetic basis of autism, implicating previously unidentified regions and genes in chromosome 11 and neurexin 1. The study's findings hold promise for diagnosis and treatment breakthroughs.
A new study by Dr. Kevin Robert Gurney found that boreal North America removes carbon from the atmosphere during warm Spring years, while Boreal Asia emits more carbon with above normal Fall temperatures. These findings have implications for climate change projections and suggest a regional difference in how ecosystems respond to warming.
Researchers found that tumor tissue has random mutation rates up to 100 times higher than normal tissue from the same patient. This may explain why cells in a tumor have so many genetic mutations and could lead to ineffective chemotherapy treatments.
Researchers at Thomas Jefferson University have discovered a new strategy against heart failure by targeting the adrenal gland. By blocking GRK2, an enzyme that regulates fight or flight hormones, they were able to reduce hormone production and improve heart function.
The AAAS Board has released its first consensus statement on global climate change, confirming that human activities are causing the Earth's temperature to rise. The statement emphasizes the urgent need for action to address this growing threat to society, citing rapid melting of glaciers and sea level rises.
According to physicist Andrei Linde, recent developments in cosmology have changed our understanding of the structure and fate of the universe. Inflationary theory suggests that our universe could emerge from as little as a milligram of matter or even nothing, with quantum fluctuations creating galaxies along the way.
Researchers from Clemson University have improved inkjet technology to produce live, beating heart cells more efficiently. This breakthrough enables precise placement of cells in soft tissue, a crucial step towards achieving function in the heart.
The largest search for autism genes to date has implicated components of the brain's glutamate chemical messenger system and a previously overlooked site on chromosome 11. Tiny variations in genes may heighten risk for autism spectrum disorders, with evidence pointing to gene variants affecting neurotransmitter systems.
A new approach to teaching biology classes at Ohio State University has led to a four-fold increase in test scores among students who are given more freedom to think for themselves. By using real experiments and encouraging critical thinking, students were able to demonstrate a deeper understanding of biological concepts.
A study by ASU researchers reveals that people's behavior is heavily influenced by their neighbors' conservation efforts, contrary to popular belief. The study found that the belief in neighbors' conservation had the highest correlation with reported energy conservation among participants.
Carnegie Mellon professor Baruch Fischhoff argues that decision science principles can help policymakers and the public make effective decisions on climate change. He emphasizes the need for coordinated action among experts from various fields, including domain specialists, social scientists, and designers.
Researchers at the University of Pennsylvania School of Medicine discovered that an enzyme important in fetal heart-cell development regulates cardiac hypertrophy, a key step in congestive heart failure. The study found that inhibiting this enzyme can prevent the onset of cardiac hypertrophy and heart failure.
Commercially prized deep-sea fish are severely threatened by over-fishing and low reproductive success due to long lifespans, while technological advances have made targeting them easier.
US crops are susceptible to attack by terrorists, who could use devastating plant pathogens as weapons. The need for prevention and preparedness strategies is crucial, including border inspections, crop surveillance, and rapid pathogen identification.
A leading U.S. innovator in nanofabrication and assembly processes, James E. Hutchison, emphasizes the need for designing materials and processes that minimize hazard and waste in the production phase of nanotechnology. Green chemistry can sharply reduce toxic solvents and produce safer products with reduced unintended consequences.
A five-year study involving over 1,200 families has identified two new genetic links to familial autism, with one gene associated with neurexin 1 and a previously unidentified region of chromosome 11 implicated. The findings suggest that autism has numerous genetic origins rather than a single cause.
According to ASU researcher Ronald Greeley, Europa is the most promising candidate among four worlds beyond Earth that might contain life. The moon has a thick layer of water and organic minerals, making it an ideal target for NASA's next mission. Scientists hope to measure the ice shell's thickness using tidal flexing measurements.
A scientific consensus on the link between smoking and lung cancer emerged in the mid-1950s, but tobacco industry efforts to sow doubt and delay regulation persisted. Proctor's research shows that consumer letters and phone logs reveal widespread ignorance about tobacco's health risks.
Researchers have assembled a genetic portrait of birdlife in the U.S. and Canada, identifying 15 new species that are nearly indistinguishable from human eyes and ears. The team also successfully logged DNA attributes of 87 bat species of Guyana, revealing six new species.
A massive international study identifies potential genetic links for autism, shedding light on the disorder's neurological basis. The research, involving over 1,400 families, suggests that certain genes increase the risk of developing autism, while environmental factors also play a role.
Researchers propose a holistic approach to fisheries management, emphasizing the need to consider entire ecosystems and monitor catch characteristics. The 'Ten Commandments' outline specific action items to improve sustainability and efficiency in marine management.
Robert C. von Borstel presents cancer as an invasive process similar to species evolution, with mutations and selection driving its progression. He hopes his work will help people re-examine cancer in a new light.
Researchers identified a new route to cancer treatment by exploiting mutations that control cell movement. Understanding the collaboration between Ras and p53 genes may lead to novel therapeutic targets like Rho proteins.
A Carnegie Mellon paper outlines incentives for controlling carbon emissions, warning of the consequences of delaying effective electric sector policy. Implementing an 80% reduction in carbon dioxide from power plants is likely to be cost-effective and reduce environmental impact.
A majority of Americans agree with most scientists that the Earth is getting warmer, but they are uncertain about the seriousness of the problem. The uncertainty stems from a belief that scientists disagree about global warming, despite being on the same wavelength with the scientific community about the basics of the issue.
A team of climate scientists will measure the influence of Greenland's atmosphere on Northern European weather, aiming to improve forecast accuracy. The research will also fill gaps in existing climate change models, enhancing long-term predictions.
A recent study found that American adults have a limited understanding of scientific principles, with only 28% qualifying as scientifically literate. This is attributed to various factors, including the lack of general science courses in high schools and the reliance on informal science education resources.
A team of computer scientists from Texas A&M University and the University of California, Berkeley, have developed a robot called ACONE to scan skies for birds near Brinkley, Ark. The robot uses AI-powered object detection to identify potential ivory-billed woodpeckers.
Research from the University of Michigan confirms environmental justice scholars' claims that hazardous waste facilities are concentrated in poor, minority neighborhoods. The study found demographic changes occurred before facility siting, contradicting the 'people came first' argument.
A child-parent psychotherapy treatment developed at UCSF improves normal development for small children traumatized by violence and abuse. The program helps parents recall childhood moments of unconditional love, breaking generations-long cycles of maltreatment.
Humans and primates are highly intelligent, social creatures prone to stress-related diseases due to chronically psychosocially stressed situations. Chronic stress compromises health by suppressing immune function, reproduction, and brain function.
Richard Zare emphasizes the importance of teamwork in scientific research, highlighting its ability to produce greater outcomes than individual efforts. He also acknowledges potential drawbacks, such as competition for funding and tenure, and advocates for a spirit of continuous learning.
Researchers develop atomic interferometers to improve navigation accuracy, testing fundamental laws of physics. The technology could lead to more precise location tracking and better understanding of gravity.
Experts warn of energy insecurity's impact on US national security, driven by heavy oil and gas imports from hostile regions. The US needs to diversify its energy resources and invest in research and development to improve energy efficiency and reduce dependence on foreign sources.
A new computer program, WaterSim, simulates the effects of environmental and policy factors on future water availability in central Arizona. The program allows users to adjust various factors and see how they impact water supply, helping bridge the gap between scientists and policymakers.
A new report by the University of California, Santa Cruz, highlights environmental disparity in the Bay Area, with poor and minority residents facing higher exposure to air pollution and toxins. The study documents disproportionate burden on communities of color, immigrants, and low-income neighborhoods.
A mathematical model of disease cycles developed at the University of Michigan shows promise for predicting cholera outbreaks. The model used El Nino-Southern Oscillation (ENSO) climate variability data to improve prediction accuracy, particularly in recent decades.
Researchers at Harvard University have created a novel spraying method for delivering the most common tuberculosis (TB) vaccine, offering needle-free delivery and greater stability. This breakthrough could improve TB care and slow the spread of HIV/AIDS in developing countries.
Researchers from UC Berkeley and Texas A&M University deploy high-resolution intelligent robotic video system to locate the ivory-billed woodpecker, a species considered extinct for decades. The system provides detailed video sequences of other birds, suggesting a new approach to field biology work.
Researchers have successfully replicated high-quality helium crystals exhibiting supersolid behavior, a phenomenon initially thought to be exclusive to poor-quality solid helium. The new findings suggest that supersolidity can occur in ultra-cold solid helium with crystallinity above 1%, contrary to previous theories.
Research by Sian Beilock found that highly accomplished individuals with larger working memories are disadvantaged when under pressure, switching to less accurate problem-solving strategies. Those with limited working memory adapt better to stress, performing similarly under pressure as they do without it.
A new plan aims to consolidate Arctic research into a global observation network to better understand its changing climate and environment. The network would link together land, ocean, atmosphere, and human dimensions, providing a comprehensive view of the Arctic system.
Scientists at NSCL and other labs will describe potential effects in astrophysics, medicine, and national security. New isotope creation technology may have far-reaching impact on various fields.
Researchers at the University of Michigan have found that aerosols in clouds significantly impact climate models' ability to predict future temperature changes. The study compared two climate models with varying levels of aerosols and found divergent results, highlighting the need for more research to improve predictive capabilities.
The Planet campaign has had an enormous breakthrough in Swedish media, enhancing public awareness of the planet Earth's limits, treats, and possibilities. The unique collaboration between film-production companies, science portals, and public TV has made it one of the most successful Swedish campaigns ever.
Deep-sea fishing has been linked to habitat destruction and population declines of long-lived fish species. Eliminating government fuel subsidies could render fleets economically unviable and relieve pressure on vulnerable ecosystems.
Junior, Stanford University's new autonomous robot, joins the DARPA Urban Challenge with enhanced sensors and sophisticated AI software. Its brain is four times more powerful than its predecessor Stanley, collecting and processing vast amounts of data from sensors such as lasers, radar, and video cameras.
Researchers at Stanford University School of Medicine are exploring stem cell transplants as a potential treatment for hearing loss. The goal is to develop a cure for deafness, with a focus on drug therapy and stem cell transplantation into the inner ear.
A delayed arrival of cold, nutrient-rich water due to altered ocean currents led to reduced barnacle and mussel larvae settlement on rocky shores. The change resulted in lower phytoplankton abundance and a recovery of mussel recruitment when stronger nutrient-rich currents arrived later.
A new care management program, AIM, has been shown to be significantly more effective than standard treatment in improving depression in stroke survivors. The study found that 39% of patients who received AIM had complete remission from depression after 12 weeks of treatment.
Peter Shizgal's team investigated the role of leptin in food reward, finding that restricting diet to one meal per day strengthened reward sensations. The study's findings have implications for understanding human motivation and behavior, with potential applications in computer programming and robot development.
A national survey found that most Americans acknowledge global warming's reality but rank it as a moderate risk. They generally support climate change policies, yet resist carbon taxes on energy sources. The study also identified distinct groups of 'alarmists' and 'naysayers' with differing views on the issue.
Producing ethanol from corn grain can release large amounts of nitrous oxide, a greenhouse gas that is 300 times more potent than carbon dioxide. However, careful management can minimize these emissions and improve the overall greenhouse gas profile of ethanol.
Six UCI scientists received CIRM SEED grants to study human embryonic stem cells in various diseases, including muscular dystrophy and mitochondrial dysfunction. The research aims to develop therapies for patients suffering from these conditions and improve the therapeutic potential of human embryonic stem cells.
A 'smart bladder pacemaker' developed by Duke University researchers selectively coordinates the contraction and release of muscles required for maintaining continence. The device taps into the urinary circuit in the spinal cord, effectively emptying the bladder and increasing bladder capacity.
Physicist Burton Richter says new experiments will answer some questions but raise others about the universe's composition and expansion. He emphasizes the need for prioritizing crucial research to advance our understanding of dark matter, dark energy, and the Standard Model.
New research reveals that the US crime rate declined dramatically in the 1990s, falling 40% across cities and states. Policing improvements, including increased workforce and aggressive tactics, are credited as key factors in this unexpected drop.
The California Current system has undergone dramatic variations in phytoplankton production, expanding hypoxic zones, and collapsing marine food webs off the western US coast. Climate change is consistent with predictive models of global climate change, but its definitive cause remains uncertain.
Researchers analyze gene for bitter-taste receptor, finding evidence of balancing natural selection that keeps two forms active. The study suggests PTC nontasters can perceive a different compound than tasters, potentially conferring protection from a toxic compound.