Meditation skills of Buddhist monks yield clues to brain's regulation of attention
...ve uncovered clues to how mental states--and their underlying neural mechanisms--can impact conscious visual exp...e that is consciously perceived. The neural events underlying perceptual rivalry are not well understood but are thought to involve brain mechanisms that regulate...World Ocean Day: How satellites safeguard our waters
...ers plus salinity, the current surface state, the underlying bathymetry of the seabed and even variations in the planet's gravity field. Additional, operational applications include marine routing, ensuring safety at sea, laying marine cables and optimising fishing fleet performance. Altimetry also provides a...Cell's power plants also sense low oxygen
...y essential for life, so the biological mechanisms underlying response to low oxygen are central to the cell," she said. "For example, during early development, the embryo exists in a naturally hypoxic environment until it is connected to the maternal cardiovascular system. "In the adult, changes in oxygen leve...Digging in the dirt for life's biochemical foundations
.... "The really fascinating part is the mechanism underlying the transfer process," says Maria Harrison, a plant biologist at Cornell University's Boyce Thompson Institute and an expert on fungus-facilitated movement of other soil nutrients into plant roots. "Dr. Shachar-Hill and his colleagues were able to sh...Researchers get first peek at amyloid's spine
...s believe that the various proteins share a common underlying feature that explains how they assemble into the persistent fibrils that can accumulate in the brain and other tissues. "To do something about these diseases, you have be able to see the parts at the atomic level," said senior author David Eisenberg...Scientists devise way to measure RNA synthesis on the fly in a live cell
...se techniques, "one cannot detect in real time the underlying dynamics of RNA synthesis associated with cellular activities," he said. But the scientists in his laboratory have found a way around this with a technique called fluorescence correlation spectroscopy (FCS). First, they use an RNA molecule that will...Oxytocin/vasopressin research sees new clinical applications, key role in social behavior
... Presenters will offer results covering mechanisms underlying the independent release of dendritic and NH OT and VP; the role of melanocortin and OT in facilitated sexual responses, and OT's key role in control of autonomic and associated adaptive behavior in eating. #15 Clinical utility. Pharmaceutical compani...Maryland's poor, African-American communities suffer disproportionate cancer risk from air pollution
... the researchers were able to identify the sources underlying the inequities. Both traffic and area sources (e.g., dry cleaners and gas stations) were primarily responsible, in contrast to point sources (e.g., power plants, heavy industry) and non-road mobile sources (e.g., construction, farm vehicles and airpl...... Loots, was designed to rigorously investigate the underlying molecular mechanism by which this non-coding sequence might ultimately give rise to Van Buchem disease. Her team included researchers from Lawrence Berkeley National Laboratory (Berkeley, CA), the Novartis Institutes for BioMedical Research (Basel, ...SNM member David James Brooks receives 2005 Kuhl-Lassen Award for research in brain imaging
...nctional imaging to investigate functional anatomy underlying motor tasks, the effects of pharmacological manipulations and behavior on brain dopamine release in healthy subjects and patients with movement disorders; the pharmacological and brain activation changes associated with onset, progression and treatme...MIT tissue engineers implant viable, vascularized 3D muscles
...to thin skin, which can recruit blood vessels from underlying tissue. Now, researchers in Institute Professor Robert Langer's lab at MIT have used a novel cocktail of cells to coax muscle tissue to develop its own vascular network, a process called pre-vascularization. When implanted in living mice and rats, th...Macromolecules on surface control mobility in phospholipid bilayers
...cules of different size can modify the mobility of underlying lipids. "Understanding what controls the lateral mobility of individual lipid molecules might help us better explain how cell membranes function," said Steve Granick, an Illinois professor of materials science and engineering, chemistry and physics, ...Scientists create artificial cricket hairs
...s, which they hope will enable them to unravel the underlying process and develop sensor arrays with a variety o...structured electrodes form two capacitors with the underlying substrate. Long hairs, made of a photo-structurable polymer (SU-8), are put on top of the membranes....PET confirms changes at brain molecular level in bulimia nervosa patients after CB therapy
...etween mu-opioid receptor binding in brain regions underlying feeding and reward in bulimia nervosa," added the co-author of "Brain Mu-Opioid Receptor Binding Measured by [11-C]-Carfentanil Positron Emission Tomography (PET) Demonstrates Changes in Bulimia Nervosa (BN) Following 12 Sessions of Cognitive Behavi...SPECT imaging can evaluate stem cell therapy effectiveness in patients with coronary heart disease
...ill help evaluate treatment effect and suggest the underlying mechanism whereby the damaged heart muscles improve after stem cell infusion," added the co-author of "Evaluation of Myocardial Segmental Perfusion and Function After Intracoronary Peripheral Stem Cell Infusion in Patients With Acute Myocardial Infar...Ultra-fast camera captures how hummingbirds hover
...lysis alone was not sufficient to fully reveal the underlying aerodynamics. In this study, the researchers applied "digital particle imaging velocimetry" (DPIV) to follow the flapping wings. DPIV is used in various applications to study flow characteristics of liquids and gases. By taking pictures with a specia...Oral rinse predictor of marrow transplant effectiveness
...ecovery," he says. "We are using mice to study the underlying mechanisms at work here to help us better understand white blood cell recovery and function during bone marrow transplant therapy." "Dr. Glogauer's work is an excellent example of the way in which research is unravelling the complex relationship betw...Brain scan study of smokers reveals signature of craving
...," McClernon added. "As we begin to understand the underlying brain processes, we may discover new methods for manipulating those responses to better help smokers quit." While scientists have thought that nicotine is the primary agent responsible for cigarette addiction, recent evidence suggests that condition...Scripps research scientists discover new key to pulmonary edema in respiratory distress syndrome
...ory distress syndrome can be caused by a number of underlying conditions, including smoke inhalation, a severe blow to the chest, bad pneumonia, septic shock, severe blood loss, or drug overdose. Although the causes vary greatly, the situation for a patient who arrives at an emergency room with acute respirator......sues, the safety, accuracy, and reliability of the underlying tests should be a given. This is one example of how the Trusts is working to help the public and policymakers understand and successfully and swiftly integrate emerging technologies, and we are pleased to be expanding our partnership with Johns Hopki...