New Mechanism To Explain Carbon Monoxide Poisoning Identified
...sand lower than in the air next to busy streets at rush hour. "The big picture is that we have identified a mechanism of how carbonmonoxide can damage cells at levels that are relevant to real-world situations,and a mechanism that has nothing to do with classic hypoxia," Thom concludes. ...Imaging Studies Illuminate Brain's Response To Cocaine
... individualaspects of cocaine's effects - like the rush versus the craving experience - oras broader treatments for cocaine abuse and addiction." Additional funding forthis study was provided by the National Heart, Lung, and Blood Institute and theNational Alliance for Research on Schizophrenia and Depres......suallyheavy rain can cause a slurry of wet sand to rush down its face. The clay in the Nebraska dunes (and presumably in the ancient Gobi dunes)accumulates because the dunes are stabilized by vegetation and so do notactively migrate. Conversely, the dunes of most active dunefields have verysmall quantit...Each year, millions of people rush to Emergency Rooms complaining ofchest pain, and many of those individuals are hospitalized for suspectedcoronary problems. However, studies have shown that up to three-quarters ofpatients who present with chest pain are inaccurately diagnosed with a...Potential Solutions For Gulf of Mexico's "Dead Zone" Explored
...io -- Researchers are studying ways to control the rush ofnitrogen and other chemicals that flow into the Mississippi River watershedeach spring and ultimately turn more than 7,000 square miles of the Gulfof Mexico into a “dead zone.” Nitrogen and other nutrients cause hypoxia, or the depletion...... the public's fear of contaminatedfish. During the rush of events in the summer of '97, decisions about Pfiesteria weremade. Now, it's time to evaluate those decisions, to address the present andfuture uncertainty of Pfiesteria activity, and to work towards improved futurescience policy in this symposium......ants do not intercept the free radicals then their rush for a mate cansometimes damage or kill the cells they attach to. "The brain may beparticularly vulnerable to the damaging effects of free radicals because it isrelatively deficient in antioxidants to begin with," says J. Joseph. "Freeradical destr...The Comet That Wiped Out The Dinosaurs May Have Washed Up Boulders Onto Hills In Arkansas
...ptacross the Gulf of Mexico and the Caribbean. The rush of water could havecarried rocks from the Louisiana coast inland over huge distances in thedirection of Arkansas. This theory fits in with the structure and composition of the Arkansasboulders, according to Patterson. The sandstone boulders c...Melatonin Shapes Brain Structure In Songbirds
... lengthening days spark the growth of gonads and a rush of sexhormones that drive songbirds to melodic and erotic flights of fancy. That much, scientists have known for some time. But for the first time, scientists at The Johns Hopkins University have alsoidentified the mysterious hormone melatonin as a c...Research Bears Fruit, And Patents
...t's nice. It's doing well," says Farley. But don't rush to the Berry Patch. Farley wholesales only to five-star hotelsand gourmet markets in the metro Washington, D.C. area. Farley is testing Lauren this year, which the researchers report is a "springbearing red raspberry cultivar capable of producing la...Sensible health warnings to stay out of sun may also be denying some people the benefits it provides
... but they warn this observation shouldn't signal a rush for the sun loungers. Dr Andrew Ness and colleagues explain that as well as being a major factor in malignant melanomas, sunlight also provides some health benefits. For example, essential vitamin D (produced after exposure to sunlight) has been rep...Scientists dissect bacterial crosstalk
...eria are slain by antibiotics and harmful microbes rush to fill the placesat the table. "These messages undoubtedly contribute to the stability ofintestinal ecosystems," Gordon says. "So the lessons we learn may help us keepthe microbes we need and prevent the encroachment of those we would rather nothave...Clemson researchers link federal flood insurance program to accelerated coastal development
...Thurmond Institute at Clemson University, the land rush on the coastbegan in 1972, when South Carolina adopted the federal flood insurance program. Researcher Jeffery Allen, director of the South Carolina Water ResourceCenter, tracked the number of permits granted for development of parcels of lan...Time important in transporting critically injured to trauma centers
...scoop and run" the philosophy that says EMS should rush patients straight to the hospital rather than first treating them on-scene. Others believe EMS should stay on scene a while and resuscitate patients with intravenous fluids or other means, then bring them to the hospital, otherwise known as "stay and...Athletes take note: Not all energy bars built the same
...ike a candy bar - giving a big rush of sugar to the blood, followed by a sharp decline. "Theoretically, energy bars produce more moderate increases and decreases in blood sugar levels than a typical candy bar," ...Study shows receptor molecule facilitates introduction of corrected genes into cells
...in humans," he said. "It's only when people try to rush ahead and cut corners do problems arise." Common on the airway side of cells lining the lungs, the G-protein-coupled receptor the UNC-CH team targets is a purinergic receptor known as P2Y2, Kreda said. Scientists want to correct the CFTR gene, which......ate utility to the human genetics community in the rush to improve understanding of the genetic basis of disease. SEQUENOM continues to increase its portfolio of assays, which now covers the majority of gene-based SNPs in the public domain, and has access to many proprietary SNPs through our collaboration...Scientists identify process that plays key role in brain changes involved in cocaine addiction
...the brain associated with the cocaines pleasurable rush and with addiction to cocaine and other drugs. The Cdk5-related process leads to changes in brain cells that are thought to play a key role in cocaine addiction. Dr. James Bibb, Dr. Paul Greengard, and colleagues at the Rockefeller University in New...Researchers study muscle cell damage that occurs when astronauts return from space
...t if that patch doesn't form, calcium continues to rush in, rapidly becoming the villain by killing off some of the finite number of muscle cells. "If you inhibit this (patching) process, within less than a minute, the cell will be dead," Dr. McNeil said. With the three-year, nearly $900,000 grant from ...University of Washington professor's new book seeks to rewrite understanding of cell biology
...osively as they attract water. As water molecules rush to form organized layers, the cross-binding ions are shot out of the cell. Almost without exception, those cross-binding ions are the very substances to be secreted. "Its an elegant explanation," Pollack said. "And its compelling that the s...