Peering inside the body, with a new spinliterally
...ue, which can generate detailed spectra from these boundary regions, takes advantage of a quirk in NMR. NMR generates a spectral signature of compounds in a sample based on the frequencies of the sample's atomic nuclei as they jiggle in a strong magnetic field. NMR pioneers noticed more than a half-century ag...Colorado River Conference Aug. 26
...an international body that deals with U.S.-Mexican boundary and water treaties and issues. The program will also include speakers from the U.S. Geological Survey, the U.S. Environmental Protection Agency, the Bureau of Land Management, the Utah Department of Environmental Quality, the Upper Colorado River ...Loggerhead sea turtles nesting earlier due to warmer ocean temperatures
... of beach between Sebastian Inlet and the southern boundary of Patrick Air Force Base. From 1989 to 2003, the average near-shore ocean temperature in May in that area increased from 76.3 to 77.7 degrees Fahrenheit, or from 24.6 to 25.4 degrees Celsius. An increase of that size is significant enough to affect ...New study seeks to establish mechanism between areas of the brain and continence
...utaneous striated muscle groups located around the boundary of the gastrointestinal tract. Innervation to this sphincter is provided by the somatic fibers of the second, third, and fourth sacral routes through nerves associated with genitalia. Despite the considerable information existing about the peripheral...Statistical technique helps researchers gain more information from a single data run
...e to have an ensemble of measurements with similar boundary conditions so the heterogeneity caused by external factors such as different regimes, times of day or climate conditions are taken into account. Wavestrapping can help make inferences from a single run." One example might be a study of atmospheric...Breakthroughs in acoustic tracking shine new light on the lives of fish
...ight benefit too, as smaller reserves provide more boundary areas where fish will periodically wander out of the reserve and increase catches. Surprises with Cod, Reef Fish Scientists used to think that Atlantic cod - an economically, culturally and ecologically important species in New England moved grea...New technologies reveal mysteries of marine megafauna
...ove. "In a terrestrial system, you can just draw a boundary around an important place and you have a park in the open ocean it's different. The habitats are 3D and moving," says Crowder. In the open ocean, the vast distances covered by migratory species, and the shifting nature of these habitats has led so...Human migration tracked in Stanford computer simulation
...he mutation's farthest edge - corresponding with a boundary such as the ocean or mountain range in human populations. Then they calculated the average area of where the mutation is distributed - called the mutation's centroid. According to the models, the centroid is about half the distance between where the ...Bacteria discoveries could resemble Mars, other planets
... showed phosphorus and carbon were enriched at the boundary zones between clay and basaltic glass another sign of bacterial activity. They then used electron microscopy that revealed tiny (two- to three-micrometer) spheres that looked like microbes in those same parts of the rock that contained the DNA and ...New evidence says Earths greatest extinction caused by ancient meteorite
...obal distribution of these metal grains in the P/T boundary strongly suggests that these grains mark a major impact of a celestial body at that time."Critics of the P/T impact theory may point to the lack of iridium, the element that is so rare on Earth but common in asteroids and which alerted Alvarez to the...Researchers design and build first artificial protein
...achieve. So you need to have a way of changing the boundary to find a protein that can actually be made, because the main constraint is that the side chains fit together perfectly in the interior of the protein. "Thus, the problem is that the number of alternatives can be huge. Even for one fixed backbone con......plications of this information lie at the delicate boundary between medicine and the directed improvement of human beings. But it is not only in medicine that genetic information has found a use; in many areas of the information society, for example in law and justice, in security and insurance it promises - ...Ultra-low oxygen could have triggered die-offs, spurred bird breathing system
... that occurred about 250 million years ago, at the boundary between the Permian and Triassic periods, and about 200 million years ago, at the boundary between the Triassic and Jurassic periods. The Permian-Triassic extinction is believed to have erad...Pack rat middens give unique view on evolution and climate change in past million years
..." "This study shows that, while we can draw a firm boundary around a species we see today in the landscape, we can't draw a firm boundary around species through time - the definition gets fuzzy," Barnosky added. "In our study, we see spec...Zebrafish genetic research results in significant discovery for geobiologists
... "This work should aid investigators exploring the boundary between biology and mineral formation, specifically those researching the synthesis of inorganic materials. Plus, our study gives a hint as to what is happening in human DSPP patients. The human gene is probably involved in biomineralization of teeth...Purdue biologists' spotlight solves mysteries of photosynthesis, metabolism
... protons across the bacterium's cell membrane, the boundary between the cell and its surroundings. "Plant cel...e energy transfer and material exchange across the boundary between the cell and its environment. If you want to get a drug into a cell where it can be of use, ...Princeton paleontologist produces evidence for new theory on dinosaur extinction
... that began more than 500,000 years before the K/T boundary and caused a period of global warming. At sites in the Indian Ocean, Madagascar, Israel and Egypt, they are finding evidence that volcanism caused biotic stress almost as severe as the K/T mass extinction itself. These results suggest that asteroid i...Field Museum gives prestigious Parker Gentry Award to Tanzanian anti-poaching activist
...nced the Tanzanian government to expand the park's boundary below the tree line to incorporate its distinct forest habitat, which had been subject to illegal logging. Largely through his passionate efforts, the park has been transformed into a compelling example of outstanding wilderness management and conser...Weather extremes shed light on prairie's past and environment's future
...le in the formation and maintenance of the western boundary (Tulsa to Fargo) separating the short grasses of the plains and the tall grass triangle. The tall grasses needed enough warm-weather precipitation to produce the higher evapotranspiration rate, the researchers found. The experience of the Midwest's ...The 'fixed' hotspot that created Hawaii was not stationary after all, study finds
...ge changes in direction rapidly, and whether plate boundary forces alone can play a dominant role in controlling plate motions," they noted. "These data sets indicate a much more active role of mantle convection in controlling the distribution of volcanic islands." Fundamental questions "This study raises f...