Detective Work Uncovers New Tick-Borne Disease In North Carolina And The Southeast
...common in North Carolina. It isbrownish-orange and smaller than the other tick normally in residence -the dog...ection. The rashes sported by camperswere slightly smaller and more irregular in shape compared to the Lyme diseaserash. And they seemed to follow the bite of ...Engineering Our Arteries: Replacements And Assisted Healing
...ailable in multiple sizes -- most needed are those smaller than six millmeters -- and then she wants to seed them with the patient's own cells. She also is developing polymer materials that can be coated on the arteries and that release nitric oxide, a key ...Plants Thrive With Insect-Induced Immune Responses
...riggering theinduced defense. Furthermore, a much smaller area of plant tissue was actuallydamaged by clipping off the leaf than was by the caterpillars eating the leafbit by bit." Agrawal and Karban are hopeful that this study will provide further informationabout the evolution and ecology of plant defense...Candidate Regulator Of The Temporal Component Of Neurotransmitter Release Identified
...the postsynaptic response recorded was not only smaller in amplitude, but took longer to reach the peak and faded more slowly than in controls. Further experiments pinpointed the site of action of the NSF-peptides to a subset of synaptic vesicles that are located directly at the presynaptic pl...PEBBLEs Help U-M Scientists Open A Window On Cell Chemistry
...s 20 nanometers in diameter. That's 100,000 times smaller than the letter "n" in this sentence. The tiny polymer spheres contain many surface pores. When Clark adds dyes to a polymer microemulsion suspension during pebble fabrication, the dyes are naturally taken up by the PEBBLE's pores. According t...Insights Into The Proteasome - A Fascinating Macromolecular Machine For Protein Degradation
...ex composed of approx. 35 different subunits. A smaller particle, the 20S proteasome, forms the core of the proteolytic machinery. First observed in the late sixties in human blood cell and subsequently isolated from numerous eukaryotic organisms, it was, about ten years ago, also found in an ...Virginia Tech Researchers Assess Watershed Management For EPA, NSF
...oinvertebratesto urbanization. "Fish and smaller forms of stream organisms are sensitive to changes infactors such as streamflow and water quality," says Diplas. "They are excellentbiological indicators of the effects of urban development. If their environmentis deteriorating, eventually the effe...Needlestick Injuries Common In Female Veterinarians, Study Finds
...in situations where theveterinarians were treating smaller animals. Women in small- and mixed-animalpractices reported 9.8 and 9.7 sticks per 100 working years respectively,while those in large animal practice only reported 5.8 needlestick woundsper 100 years, a rate 40 percent lower than the other groups. ...Small-Scale Fires Key To Understanding Forest Structure
...r trees became closed forests, densely packed with smaller trees, saplingsand seedlings. Fire suppression has also changed the forest composition frommostly pine, which are fire tolerant, to firs which are more shade tolerant butfire intolerant. To learn about the pre-Euroamerican fire history, theresearche...Butterfly Wings, Beetle Horns Teach Biologists Basic Lesson In Development's Laws
...malnourished as a child, your body would have been smaller and yourarms proportionately shorter because of some communication between the arms andthe body as a whole. "While many developmental biologists, and certainly the lay public,haven't paid much attention to this phenomenon, we believe our ex...Link Made Between Human Growth Hormone, Bone Quality In Mice
...ansgenic mice were stronger at 16 weeks of age,the smaller leg bones from control mice were just as strong or even stronger byabout 24 weeks. "We saw a continual degradation of mechanical properties in the bones oftransgenic mice as they aged," Goldstein said. When they examinedcross-sections of bone under ...EPA Should Redirect Some Research on Toxic Airborne Particles
...tlast July, for the first time target particulates smaller than 2.5 microns indiameter. When inhaled, these tiny particles are more likely than larger onesto reach deeply into the lungs. EPA must review the standards and thescientific data on which they are based every five years to determine whetherrevisi...Crystal Structure Of The Archaeal Chaperonin Thermosome, A Protein-Folding Machine, Determined
...as only group I chaperonins depend on a second, smaller kind of protein, the cochaperonins 10, termed GroES in E. coli . These helper molecules are not present in the group II system. Whereas detailed structural studies were available for group I chaperonins, including the atomic model of the...Scientists Seek Early Warning Of Drinking Water Threats
...oject, the team will be studying viruses 100 times smaller than crypto- organisms which could more easily pass through some water-treatmenttechnology. Other pathogens can be very resistant to the standard chemicaltreatment of chlorination. The study will also help gauge performance of new water treatment tec...Smokings Effects On Pregnancy Not Mitigated By Prenatal Vitamins, UB Study Finds
...birth, low-birth weight babies and babies who were smaller than average for their gestational age, all conditions that are associated with smoking," said Germaine M. Buck. Ph.D., associate professor of social and preventive medicine and co-author of the study with doctoral student Tiejian Wu, M.D. "As ......closely matched that of modern humans than did the smaller canals of apesand proto-humans such as Australopithecus. The scientists, Professors of Biological Anthropology and AnatomyRichard Kay and Matt Cartmill, and student Michelle Balow, published theirfindings in the April 28 Proceedings of the Na...Gene Study Shows Mammals Lived Before Extinction Of The Dinosaurs
...ago," saysHedges, who published a similar but much smaller study with Kumar and others in1996. The scientists sifted through many thousands of vertebrate gene sequences fromhundreds of species to find those that develop mutations at a constant rate overtime, which Kumar and Hedges used like the ticking of ...New Machine Slashes Time, Cost To Make Unique Lenses
...an asphereor two would make the goggles 30 percent smaller and lighter,Pollicove says, while also boosting image quality andresolution. But aspheres' subtly irregular curves make them a real choreto produce. Most of today's manufacturers use a process Golinidescribes as "home-grown," rigging up expensiv...New Airway's 'Smarts' Ensure That Patients Get Plenty Of Oxygen
...s with"smarts" derived from ultrasound transducers smaller than apencil's eraser -- miniature versions of the transducers inultrasound scanners currently used by doctors to monitor fetaldevelopment, cardiac disease, and tumors. These transducers,which are attached to the lower end of the foot-long tubes, emi...... MacMahon and his colleagues undertook the smaller study, known as theLIPID Atherosclerosis Substudy, to determine if reducing blood cholesterol inpeople with low or average levels would reduce the development ofatherosclerosis. "At the time we started the study, there was great uncertaintyabout whet...