Population Growth Costs Include Global Warming Impact
...ain a number of geophysicalrelationships that link together the different forces affecting climate changeand greenhouse-gas emissions. "The impacts of climate change are estimated froma number of different studies, but it must be recognized that this is the mostuncertain part of the model," Nordhaus said....Females' Siren Song Initiates Courtship Duets In African Frogs, Columbia Biologists Find
...hat duetting was what brought maleand female frogs together until they recorded the female rapping song and playedit to male frogs in a fiberglass tank. The males again responded with an answertrill and tried to swim toward the sound, in one case even attempting to matewith the loudspeaker. Ms. Viswanathan ...Hormone Control Of Rare Leukemia Sheds Light On Molecular Basis Of Cancer
...ntwo chromosomes. These chromosomes break and fuse together again during cellulardivision, resulting in a new gene with material from each. The protein encodedby the new gene is called a fusion protein. Chromosomal translocations figure inmany types of cancers. In 95 percent of APL cases, the fus......y synthesizedstrands of DNA that linked themselves together to form a kind of constructionscaffolding between ...two complementary strands which willzip right back together in the same way under the right conditions. The Technion scientists use short sequences of D...Hormones Found In The Brain May Determine How Much You Eat And Affect Obesity And Diabetes
...d the locks (receptors) and keys(ligands) that fit together to begin the intercellular communicationprocess, the investigators tested it on rats. They used catheters toadminister some of the neuropeptides to the animals' brains and foundthat the proteins stimulated food consumption. "When we limited the fo...Study Shows: Just Say NO To Bone Loss
...ems. "The osteoclasts and osteoblasts have to work together to remodel bone," Osdobysays. "Bone is turning over all the time, and if you don't have that situation,you can have old bone matrix, where the matrix becomes brittle and susceptibleto fracture." But if the osteoclasts get the upper hand, the skelet...GCTE/LUCC Open Science Conference:
...which two major internationalresearch programs get together to convene the largest conference ever organizedon...ml Press Activities The organization is putting together a set of press releases (15 -20) from themost outstanding contributions to be presented at the confe...Nitrate Reductase: A Magical Enzyme?
...factor for humanhealth. All these components work together to catalyze the conversion of nitrate to nitrite but we don't know howit really works on the molecular level. That's what we want to find out." In an attempt to overcome the scarcity factor, Campbell and otherresearch groups like his are wo...The Environmental Consequences Of Increasing Food Production
...calledGeographical Information Systems (GIS) bring together a wide array of dataincluding topography, hydrology, population density and satellite images for usein models that determine the patterns of land use over large regions. Forexample, Dr. S.S. Jagtap from the International Institute of TropicalAgricult...Biologists Get First Look At DNA-Protein Binding Structure In An Archaeon
...nois. "We've discovered that protein and DNA bind together in a more interesting way than was ever imagined. This research gives scientists a new avenue for looking at DNA-protein interactions." In this case, the chromosomal protein Sac7d -- which to the DNA of ahyperthermophile archaeon is as abundant as t...... is a perfect match with the probe, they will bind together andactivate a fluorescent reaction. Fluorescence forms a black patch on unexposedphotographic film, informing the researchers that the bacterium they aresearching for is present. The pattern of black squares signifying each positive result ...Jefferson Researchers Use Gene Therapy To Treat Rare, Inherited Brain Disease
...olic disorders, such as Krabbe disease," he notes, together with David Wenger, Ph.D., professor of medicine at Jefferson Medical College, who leads the Lysosomal Disease Testing Laboratory. "We hope to set up a clinical trial for that within the next year as well." He cautions that few patients have been trea...Gene-Reading Problem Linked To Lou Gehrig's Disease
...t out useless bits of DNA called introns and paste together theactive parts,called exons. If the introns are not properly removed, they disrupt theblueprint and prevent thecell from making the protein properly. "In this patient," Rothstein explains, "there were problems in the cuttingand pasting. Some o...10 Million Report Hunger, Even With Jobs
...children than in other types of families." Alaimo, together with Christine Olson, her advisor and Cornell professor of nutritional sciences; Cornell statistician Edward Frongillo; and Ronette Briefel of the NCHS, published their study in the March issue of the American Journal of Public Health (Vol. 88, N...Smithsonian Institution Convenes Experts To Discuss Cocoa's Future
The Smithsonian Institution will bring together ecologists, cocoa productionexperts, cocoa industry representatives and other experts interested in theeconomics of and the variety of life around small family cocoa farms for a"Sustainable Cocoa Workshop." The meeting, which is funded by MarsIncorp...Yale Announces New Biotech Firm
...as beenunusually helpful in the process of putting together funding sources,guiding the patent application process and seeking laboratory space forthis new venture," he added. "Organizing the company would have takenmuch longer without the OCR's participation." A second new firm, polyGenomics Inc., i...Motivating Muscles: New UD Study Might Help People With Paralysis 'Stay Strong Longer'
...uency 'trains,' or sets of pulses, withsome closer together than others," Binder-Macleod explains. "Then we lo...sizes.Stimulating many large muscle groups to move together smoothly is a highlycomplex problem, he notes. But, the new UD study shows promise for providingpati...Scientists Discover A Secret Of Bacterial Communication
...a new battle plan hasbeen drawn. Bacteria existing together in a structure called biofilm are often moreresist...r of microbiology and UI colleague,Matthew Parsek, together with investigators at Montana State University and theUniversity of Rochester, have discovered a sig......style. Most live stuckon surfaces in clusters held together by a sticky, gelatinous matrix. Thesecommunities are called biofilms. If you've ever slipped on a rock in a stream,you've met a biofilm. When looking through a microscope, scientists havedescribed biofilm communities as elegant arrays of channels an...