City-grown air pollution is tougher on country trees
...before ozone is formed. By then, the air mass has moved to rural environments." The Big Apple air situation is even more complicated, Gregg notes, because the city is downwind from New Jersey, another densely populated and industrialized region. "A lot of the ozone moving into New York City was grown in ...Science historians ponder naming 'enemies' in science literature
...about what all the metaphors mean. Haven't species moved around the globe all the time? Isn't it a prime example of evolution at work when a 'invasive' species comes in and actually out-competes a so-called 'native' species? Isn't this the competition that we teach everyone about in introductory biology t...USC researchers have moved one step closer to understanding how the body fights harmful antigens foreign molecules that trigger an immune response. The team successfully simulated a mutation process that diversifies the proteins, or antibodies, responsible for immunity a phe...Study traces global spread of virulent dengue virus to US doorstep
...to Latin America." The answer - that the virus had moved across the globe to Latin America - was eventually... 3 genetic subtype linked to severe dengue disease moved from a location where it had been circulating undetected - most likely somewhere in the Indian subco...Genetically modified E. coli produce plant product used in foods and cosmetics, Science study says
...und known to make tomatoes red. Next, the authors moved to replicate this biosynthetic pathway in another organism. "We chose to start with E. coli because you can insert all the genes at once. Tomatoes will be more complicated," explained senior author Bilal Camara from CNRS and Universit Louis Pasteur i...UCLA study finds clues to diabetes puzzle
...ed from 4 percent to 13 percent. When New Guineans moved from a rural to urban setting, their diabetes rate shot from zero to 37 percent, he found. "Diabetes is a disease of increasing affluence," he said. "People eat more and risk developing diabetic symptoms when they have more money." Diamond's findings...Equine cloning may shed light on human cancer causes
...hwest briefly to practice veterinary medicine then moved east to complete a residency in large animal reproduction at the University of Pennsylvania under R. M. Kenney. Next, at the University of Wisconsin, he became a student of O. J. Ginther, and completed his master's and doctor's degrees under his dire...Mouse model offers new explanation for kidney disease and failure
...ng a tracer that allowed them to watch as proteins moved through the blood into the kidney, they found evidence that CD2AP functions to route proteins for degradation. They therefore propose that proteins from the blood routinely flux into the blood filters of the kidney, but that they normally are quickly...... the lipid/DNA globule is taken up by a cell, it's moved to anacid-filled compartment called the endosome. A key step, Nantz said,is to engineer lipids that can get the DNA out of the endosome andinto the cell nucleus where most of the genetic material resides. "What we're doing is reinventing a virus thro...Bone marrow stem cells may one day help treat damaged livers
...ers. The investigators believe that the stem cells moved from the bone marrow into the circulating blood, then left the blood to reside in the damaged liver, where they became liver-like cells that produced human albumin. "These results show that human stem cells from bone marrow and umbilical cord blood a...Nature cover story - Only 10% of all large fish are left in global ocean
...opped fastest during the first years, as fisheries moved into new areas," says Worm, "often before any fisheries management protocols were in place--and before anyone was looking." Without this baseline information, most scientists and managers are hardly aware of the profound magnitude of change that took...Diabetes therapies and liquid memory may develop from micro fluid research, Science researchers say
...the strap to tighten it, the part that has already moved past the buckle stretches. When the polymers stretch out like this past the bottleneck, they unravel. The stream of unraveled polymers moves through a second bottleneck and the flow pattern locks into formation. The flow is now in one the two stable ...When predators attack (each other)
...mitting a "mortality signal," indicating it hadn't moved in several hours. They later found the wolverine's carcass, showing clear evidence that it had been killed by a bear. Nearby, they discovered the carcass of an elk, along with additional evidence that the wolverine had attempted to drag it away fro...Researchers discover structure of Nature's 'circuit breaker'
...od that the electric field on the membrane somehow moved 'gating charges' on the channel that would somehow open it to allow potassium to flow," he said. Figuring out the location and function of the charge-carrying structure remained a major problem, he said. "This has been a central project for me and m......ective for wood mice than scent marks: they can be moved atany time and are not detectable by predators....Real-time imaging reveals the dynamic architecture of plant cells
...zation activity of individual microtubules as they moved into bundles with other microtubules. This is a new view of how microtubules in the cortical arrays can be repositioned to contribute to array organization....... small ones. Previous research had shown that when moved to a nutrient-richenvironment, yeast cells adjust ...onlon and Raff found that when mammalian cellswere moved to a nutrient-rich environment, it took approximatelysix divisions before cells grew to the average ...Black water turns the tide on Florida coral
...e Florida Keys. By May 2002, the "black water" had moved through passages in the Florida Keys, dispersing into the Atlantic and the Gulf Stream....Evidence shows the heart has stem cells able to regenerate muscle tissue lost to disease, wear
...nfarction, a population of primitive cells rapidly moved to the border zone of the infarct, and began to differentiate into myocytes, endothelial and smooth muscle vascular cells, regenerating a functional myocardium. Dr. Nadal-Ginard concludes that the presence of stem cells in the myocardium, either as a......ry process and transverse process. As the rod was moved over the ganglion, the ipsilateral hind leg muscles typically exhibited one or two slight twitches. After surgery, the muscle and skin layers were sutured. An oral antibiotic, Augmentin, was administered after surgery in the drinking water for each ...