Duke Researchers Discover Candidate Susceptibility Gene For Autoimmune Disease
...genetic defects that can lead some people's immune systems to attack theirown bodies, the Duke researchers say. Led by Dr. Perry Blackshear of the Howard Hughes Medical Institute at DukeUniversity, the research team published their results in the May issue ofthe journal Immunity. Gregory Taylor and Ester ...... sciences. "We have now shown thatchemoautotrophic systems are more widespread than had beenthought." To prove that the food web was based entirely on chemicalenergy and not solar energy, Kane, doctoral candidate SerbanSarbu and assistant professor Brian Kinkle used a technique knownas stable isotope ratio a...Cornell Researchers Precisely Date Wood From Ancient Tomb In Turkey
... the past and present. "Often the different dating systems which have been used in interpreting the history and archaeology of the Near East have had profound effects on how we understand cultural interactions," Newton said, "such as the rise and fall of the Minoan, Mycenaean and Greek civilizations; event-b...Humble Pocket Gophers Shed Light On The Genetic Fortitude Of Cheetahs
...n grafts from each other, a sign that their immune systems were genetically almost identical. However, in rec...ls, may have little variability among their immune systems and thus may be more vulnerable to outbreaks of disease. "Genetic variation is the stuff of evolutio......have found that their sophisticated air management systems are not available because sensors cannot detect all the atmospheric pollutants. US legislators have found that current car and sensor technology is unable to provide continuous monitoring of the extremely precise air pollution controls they have wis...Nitric Oxide May Hold Key To First Treatment For Deadly Form Of Malaria, Duke Scientists Report
...nt of oxygen and NO in balance, cellshave built-in systems to eliminate the excess. One way to do that is tohave transcription factor sensors that get turned on when too much oxygenor NO is present. In fact, bacterial cells attempt to control both excess oxygen and excessnitrogen with the same OxyR...Nitric Oxide Found To Control Cells By Turning On Genes; Suggests New Role In Health And Disease
...nt of oxygen and NO in balance, cellshave built-in systems to eliminate the excess. One way to do that is tohave transcription factor sensors that get turned on when too much oxygenor NO is present. In fact, bacterial cells attempt to control both excess oxygen and excessnitrogen with the same OxyR...Duke Ecologist Says Logging Is Creating 'Mahogany Deserts'
...to sustain the valueof those forests as production systems so they will not be converted topasture or agriculture." To learn how to regenerate mahogany, Snook began studying the trees growingwithin a model forestry project called Plan Piloto Forestal in QuintanaRoo on Mexico's Yucatán peninsula. She...PET Project Helps Reduce Pollution Threat From Heavy Metals
...ltration trench. It's a modificationof the current systems used to improve drainage under highways,so it's expected to be easy to install and relativelyinexpensive. There are two key components to the system. The first is a bedof oxide-coated sand which attracts and holds onto heavy metalsin the storm runoff...Discovery Of Cell Sites May Shed Light On How Bodily Systems Interact
...howthe immune system harnesses other physiological systems to regulate animalgrowth and disease. First, the receptors were found on cells in the pituitarygland, and, second, they were on somatotrope cells, which make growth hormone.Previous theory held that they were on corticotrope cells, makers of stressho...Northwestern Scientists Discover How Herpes Simplex Virus Infects Cells
...ticdisease can occur in persons with normal immune systems and will lead todevelopment of new classes of antiviral drugs," said Patricia G. Spear, whoheads the laboratory at Northwestern where the discovery was made. Spear isthe Guy and Anne Youmans Professor and chair of the department ofmicrobiology-immuno...Medicinal Leech May Offer Clues To Neural Regeneration
...tructure and function to those in more complicated systems such as humans," Sahley says. "But for some reason, nerve regeneration in higher systems is not complete. By analyzing how nerves regenerate in a simple system, we may find clues to facilit...Robots, Virtual Reality & Other "Smart" Tools Soon Will Help Physicians Heal Patients
...oice-controlled surgical instruments; navigational systems to guide surgical tools; three-dimensional images ...ineering. "We hope soon to see new, sophisticated systems that physicians can use to improve patient care and, in many cases, even lower the cost of treatment...Bog Beetle, Misidentified For 85 Years, Is 'Discovered' At Cornell
...ins County. "It just shows the complexity of the systems surrounding us," Liebherr said. "Sometimes finding these things are serendipitous."...Learning From Birds And Bees: Engineers Study Insects For Ideas On Tiny "Micro Air Vehicles"
...er another challenge, as doguidance and navigation systems -- and the tiny payloads that willtransmit televis...nants. Recentadvances in micro electro-mechanical systems (MEMS) and microelectronicstechnology give engineers confidence that systems that tiny could oneday ...'BirdSource' Website For Citizen-Science Data
...s will be created using the geographic information systems (GIS) software. Financial support for construction of BirdSource comes, in part, from a matching grant by the David and Lucile Packard Foundation to the National Audubon Society. The site will be co-managed by Audubon and by the Cornell Laboratory o...A Drug Pump On A Computer Chip
...s month. The field of microelectromechanical systems and micro fabrication research has led to the deve...eople out of hospitals," Huff said. "Drug delivery systems should be based on ambulatory delivery." Medical care has already begun to feel the influence o...Cell-Membrane Proteins Appear To Play Key Role In Squid's Swiftness
...o avoid capture. In a study comparing the nervous systems of the squid and octopus (cephalopods)with a varie...ephalopodshave more rapid-acting electrical firing systems than their more sluggishmolluskan kin. The adaptation enables the squid's high-speed, jet-propelleds...Purdue Study Aims To Boost MRI Capabilities
... a role in the introduction of new "fast-scan" MRI systems last year, including the echo planar and hybrid imaging systems. Though these new systems have improved image quality and speed, Bourland says there is room for more improvement. "The MRI sc...Restoring Farm Land To Natural Wetlands Key To Stemming Flood
...he said, which led him to wonder what land usesthe systems of levees had replaced. Subsequent research prompted by thatquestion revealed a deep history, which, Schneider said, is not well-known.He chronicled that history in "Enclosing the Floodplain: Resource Conflicton the Illinois River, 1880-1920," a pape...