Green Glow: Not Only For Halloween
...d the research. "The green color results from the collapse of one turn of the coil to form a ring of three amino acids." The researchers chose to study the modified GFP because it is more useful for cell biologists, glowing much more brightly than the natural variant. In a second experiment, the res...Fast Measurement Technique Reveals Early Steps In Protein Folding
...anosecond is one billionthof a second.) The entire collapse to a compact structure appears nearlycomplete afte...he protein chain, Gruebele said. At thatpoint, the collapse phase of the folding process is complete. "Before we conducted our experiments, many researchers th...New Way To Drive Chemical Reactions: Collision Of Liquids At High Speed
...,'which causes the formation, growth and implosive collapse of small gas bubblesin the moving liquid," Suslick...ecessarily generate chemistry. The bubbleshave to collapse pretty intensively to create the required heat and pressure. By colliding two liquid jets, we can co...STS-89 Will Carry Five Science Payloads From NASA/Marshall
...as shock waves produced during an earthquakeor the collapse of a grain silo - that what looks like a gigantic mass ofsolidly packed-together materials - like sand or grain or agricultural productsin a process conveyor belt - will suddenly behave as if they were a flowingliquid, not like a solid mass at all." ...Malthus + 200: Disastrous 'Correction' Looms
...notes. "Malthus was convinced that the growth and collapse of population are consequences of natural forces beyond human control," Price says. "This view is part of a debate between those who think humans are in charge of their destiny and those who think not. The debate was going on before the time of Mal...Despite Odds, Little Known Grauer's Gorillas Persist In Central Africa
...who ledthe survey team for WCS, "Given the virtual collapse of the economy, the need for local peopleto rely on bushmeat, and general state of anarchy that has persisted for the last several years, weexpected to find that many populations to be wiped out. While this has happened in areasadjacent to large cent...Biggest Acoustics Meeting Ever
...s in water or other liquids generate bubbles which collapse and generate pulses oflight lasting just trillionths of a second and representing a trillion-fold focusing of the original soundenergy. Most of the world's experts on this subject will gather together at the ICA/ASA meeting, and newbreakthroughs towa...Crystal Structure Of Key HIV Protein Reveals New Treatment Targets
...ions. When the virus reachesits target, the loops collapse and move out of the way, unmasking the lockingregions. An icing of carbohydrate molecules that also shields the receptor-bindingregions of the gp120 surface from antibody attacks. Finding a way around thesemolecules, or even removing them, wo...Wildlife Dying At The Doorsteps Of World's National Parks, Study Says
...arns thatregional populations of these animals may collapse if such mortality continues. The researchers have called for expanding "no-kill" areas outside ofparks, hunter education to prevent accidental deaths and predator persecution,and an increase in park size to protect those animals that roam wid..."Scifish" Technology To Protect Alaska's Fisheries And Promote Sustainable Use
...ily over-fish the ocean. This could result in the collapse of an importantsource of food for both humans and animals. In response to over-fishing andbycatch-catching animals that were not intended for harvest-regulationsworldwide have put restraints on common fishing practices. According to NSF pro......bserved under the microscope as a rapid and sudden collapse of the cell contents around the intracellular fungal structure. Furthermore, the plant cell releases toxic compounds that possibly kill both the plant cell and the fungus. However, in the parsley/P. infestans system, morphological chan...Duke Studies Show U.S. Central Plains Vulnerable To Global Warming
... Camill discovered that the local dynamics of peat collapse andreformation dominate over the north-to-south temperature gradient, said Clark. "This finding means that, even though it gets warmer as you go north tosouth, the overall balance of carbon uptake and release in the scars, and thescars' re-gr...Zinc In Sludge From Spanish Reservoir Break Equals Mine's Annual Output, Researchers Find
...s Lamont-Doherty Earth Observatorybelieve that the collapse last spring of a retaining wall holding tailings froma Spanish zinc mine has dumped an amount of zinc into rivers nearly equal to themine"s total annual output. The accident last April 25 at the Los Frailes zinc mine in Aznalcollar,about 50 ......d the change in killer whale feeding behavior to a collapse inpopulations of the killer whales' usual prey, seals and sea lions. Reducedabundance of certain fish species in the open ocean, possibly due tooverfishing, has caused the populations of Steller sea lions and harbor seals inAlaska to decline precipit...Major Clinical Findings By California AIDS Team: HIV Does More Than Kill Off T Cells
...oduction. In either case, the immune system would collapse and the HIV-infected patientwould become immunodeficient, McCune explained. "It remains unclear whether all HIV-infected patients will be able to increaseT-cell production and restore their immune systems after treatment. For thosewho cannot, addit......blood pressure, multiple organ failure,circulatory collapse and often death. Particularly perplexing have been cases of septicemia caused by bacteria thatfall into the "Gram-negative" classification, based on the common method ofstaining and identifying bacteria. Gram-negative organisms cause approximatelyhal...Invasive fishes pose increasing threat to U.S. waters and native fishes, says USGS
...arasitize other fishes, havebeen implicated in the collapse of the lake trout fishery. Ruffe and round gobywere introduced to the Great Lakes via ship ballast water, and the sea lampreyentered through the Welland Canal. The Desert Southwest, where a number of small endangered fish species such assunfishes, ......blood pressure, multiple organfailure, circulatory collapse and often death. Particularly perplexing have been cases of septicemia caused by bacteriathat fall into the "Gram-negative" classification, based on the commonmethod of staining and identifying bacteria. Gram-negative organisms causeapproximately hal......nted amicropump powered by the repeated growth and collapse of a single bubble.Because the bubble is generated by heat, it is easy to control, the inventorssay. And because the bubble-powered pump has no moving mechanical parts, it isunlikely to wear out too quickly. "It's very different from having a pump w......rise when they saw that the rodents would suddenly collapse and fallfast asleep with no provocation. As a result, Howard Hughes Medical Instituteinvestigator <AHREF="http://www.hhmi.org/science/cellbio/yanagisawa.htm">Masashi Yanagisawa and colleagues at the University of Texas Southwestern Medical Ce...