A 'private bandwidth' for communication in bats: Evidence from insular horseshoe bats
...urring in the same areas) and allopatry (living in separate areas) with R. mehelyi, countering the establishment of local differences. Being sufficiently isolated (ca. 180 km distant) from the mainland coast, Sardinia proved an ideal study area to test for the occurrence of acoustical character displacement i...Beyond batteries: Storing power in a sheet of paper
...d a high-power supercapacitor, which are generally separate components in most electrical systems. Another key feature is the capability to use human blood or sweat to help power the battery. Details of the project are outlined in the paper Flexible Energy Storage Devices Based on Nanocomposite Paper publis...Unravelling new complexity in the genome
...tive splicing process appears to provide a largely separate layer of gene regulation that works in parallel with other important steps in gene regulation. The number of genes and coordinated regulatory events involved in specifying cell and tissue type characteristics appear to be considerably more extensive ...Diverse genetic abnormalities lead to NF-κB activation in multiple myeloma
... overlap and interplay between them, there are two separate pathways that lead to activation of NF-κB, th...r mechanisms involved are not well understood. Two separate research groups used a variety of sophisticated genomic techniques to examine mutations in hundreds ...Abnormal fat metabolism underlies heart problems in diabetic patients
...sophisticated set of techniques that allow them to separate and quantify thousands of different lipids based on their subtle structural differences. The set of techniques has been termed "shotgun lipidomics" because they very rapidly determine which lipids are in tissues and blood. "Shotgun lipidomics provide...New system of wastewater treatment could reduce the size of treatment plants by half
...r treatment plant, which could make it possible to separate water from active mud by a membrane filtration process. This researched and optimized system makes it possible to treat a larger flow of water in a smaller purifier, and its building would involve a less expensive construction. Installation is ther...A unique arrangement for egg cell division
...microtubules attach themselves to the chromosomes, separate them and pull one half out of the oocyte into a small polar body that is later discarded. Microtubule spindles are found in all dividing cells. What is special about oocytes is that they lack specialised spindle-forming organelles, called centrosomes...Story tips from the US Department of Energy's Oak Ridge National Laboratory, August 2007
...de a scientific basis for assessing cumulative and separate effects of factors thought to be impacting the shortnose sturgeon population. These factors include siltation of spawning areas, degradation of water quality in summer due to upstream agriculture, urban development and military land management, atmos...New survey documents the headaches of computerized medicine
...or the nurse, but sometimes theyre not. Ash, in a separate article published in the News and Views section of the June 30, 2007 issue of the prestigious British Medical Journal headlined How to avoid an e-headache, provided additional insight into why implementation of health information technology systems i...Chickadee, nutchatch presence in conifers increases tree growth, says CU-Boulder study
...the mountain study area, identifying more than 300 separate spider and insect species collectively known as arthropods. The trees used in the study were set up to exclude birds, ants, or both, since ants also can have significant impacts on other arthropods, he said. "The study indicates that pine canopie...New aerogels could clean contaminated water, purify hydrogen for fuel cells
... in the periodic table are expected to be able to separate out the impurities from hydrogen gas much as they ..."tune" their pore sizes or composition in order to separate particular poisons from the hydrogen stream. "You can put in elements that bind the poisons that a...Research teams uncover risk genes for multiple sclerosis
...search into the connection between these seemingly separate conditions. These advances are an outgrowth of a 15-year effort at UCSF to create a national repository of more than 10,000 samples of DNA from people with MS and their families, the largest such collection nationwide. A similar database, in both...Injection drug use and HIV and HCV infections among Ontario prison inmates
...s highlighted below; the Quebec study appears in a separate release posted on EurekAlert today. In both studies, injection drug use was the most important risk factor, and the prevalence of hepatitis C virus (HCV) infection was much higher than that of HIV infection. Given the high rates of recidivism and the...Injection drug use the most important risk factor for HIV and HCV infections among Quebec prisoners
... highlighted below; the Ontario study appears in a separate release posted at EurekAlert today. In both the studies, injection drug use was the most important risk factor, and the prevalence of hepatitis C virus (HCV) infection was much higher than that of HIV infection. Given the high rates of recidivism and...Risk genes for multiple sclerosis uncovered
...search into the connection between these seemingly separate conditions. Another region harbors a gene called the IL-7 receptor, which helps to control the activity of a class of immune cells called regulatory T cells. Two papers appearing simultaneously in Nature Genetics confirm this finding, and explore...U-M team identifies gene that regulates blood-forming fetal stem cells
...ers have realized that fetal stem cells comprise a separate class. They recognized, for example, that fetal blood-forming stem cells in umbilical cord blood behave differently than adult blood-forming stem cells after transplantation into patients. Now a U-M team led by Sean Morrison has identified the firs...Study points to new way to predict death risk from torn aorta
...n the channel created when the layers of the aorta separate like two layers of an onion. This channel, called the false lumen, runs alongside the true lumen, which is the hollow middle area of the aorta that acts as the pipeline for blood to flow out of the heart and down through the abdomen. As blood ente...Call for EU to launch major project to map out all our proteins
... applying some technique such as chromatography to separate out the individual proteins. The amino acid sequence of each protein can be determined after separation, from the relationship between electric charge and mass. As Aebersold noted, the biggest prize of proteomics will be a much simpler and efficient ...Scratch no more: Gene for itch sensation discovered
...uli, indicating that pain and itch are mediated by separate sets of genes in the spinal cord. This suggests that drugs can be used to suppress the itch sensation without affecting the pain sensation, according to Chen. And because pain can be an important protective cue that warns of danger, it may be a disti...Neurons for numerosity: Parietal neurons 'sum up' individual items in a group
...udies. These findings support computer models that separate the processes of summing and numerical identification, and may also explain the fact that parietal cortex damage causes both numerical and spatial confusion. ...