Scientists switch memory recall on and off in fruit flies
... sound of the can opener sends their furry friends running to the kitchen in anticipation of their supper. What pet owners are actually seeing, however, is the retrieval of the "can opener:food" memory that has already been acquired and stored in the animal's brain. Now, the Cold Spring Harbor Laboratory re...Soil fertility limits forests capacity to absorb excess CO2.
...s over many years. The study included the longest running forest-based Free Air CO2 Enrichment (FACE) experiment. By exposing trees to elevated CO2 in an otherwise natural setting, the researchers were able to simulate conditions predicted for 50 years from now. "Other recent studies have shown that el...Remote sensing study defines "edgy" cities
...d cover in urban areas the "edges" of a city. "By running some simple algorithms over the image you can pull out the edgy' parts," said Stefanov. "What you can do once you have this data is to do image transects across it and look at it in profile. Once you see it in profile, you begin to see patterns in ...UNC, Penn State scientists find gene that controls water retention in plants
...al with its daily environmental challenges without running away," they wrote. Drs. Jeff C. Young and Michael R. Sussman of Western Washington University and the University of Wisconsin, respectively, also helped with the investigation. The gene the researchers worked on, known as GPA1, had already been seque...ASM receives awards for PR excellence
... Chicco Agency, New York City, who collaborated in running the Campaign. "We are extremely gratified to receive this award and the professional recognition that it represents," according to clinical microbiologist Dr. Judy Daly, ASM Secretary who serves as spokesperson for the Campaign. "We at ASM are commit...Wetland loss still outweighs gain despite 20 years of progress
... deterrent to filling wetlands, or we are simply running out of wetlands to fill," he said. In addition to poorly implemented mitigation, wetland monitoring "is seldom required for more than five years," he said. "But up to ...Doctors perform more IVF treatments, but multiple births decline
...ollected data from the European countries that are running registers on their IVF results. The report is prepared by Dr Nygren and his colleague Dr Andersen who is from the Rigshospitalet in Copenhagen, Denmark. It covers IVF treatments during 1998 with pregnancy follow-up through 1999. The consortium ha...APS August/September journal hot picks
...ter the altitude training camp. The improvement in running performance was accompanied by a 3 percent improvement in maximal oxygen uptake. Circulating erythropoietin levels were near double initial sea-level values 20 hours after ascent. Soluble transferring receptor levels were significantly elevated on th......Heidelberg have gotten one of these methods up and running in one of biologys most important model organisms, the fruitfly. Their work is reported in the October issue of Developmental Cell. The approach, called SAGE (for Serial Analysis of Gene Expression), has existed for a few years and has been used succ...... DNA-based detection system in a clinical setting, running the new tests in parallel with the classical, slower microbiological approach. "So far, the Laboratorys DNA signatures look very good; theyre promising," Walker said. "The primers (DNA copies) are very specific and provide tools that can speed up tes...Worlds smallest reptile discovered in Caribbean
... residents of the park are playing a major role in running it on their own. Grupo Jaragua is an example of the several new conservation organizations working to protect the regions biodiversity.......ry to a wetland. It consists of three electrodes running across the waterway. As a fish passes over them, the electric field between them is affected, revealing the direction and speed of a fish's movement as a trace on a monitoring computer screen. A wave generator at one end of the flume can even create...Museums must play a bigger role in conservation
...tegies and priorities, McCarter concludes. Time is running out....Assessing the risk of mad cow in sheep
... Ferguson and his colleagues tested their model by running it using three representative scenarios ranging from optimistic to worst-case. In the most optimistic scenario, the disease would not spread beyond a flock, and in the worst-case scenario, the disease would spread to become a self-sustaining epidemic......tantly through the forest, condensing on trees and running or dripping down them to the ground. This condens...he canopy. The collars measure stemflow, or water running down the tree trunks. The difference between whats in the rain gauge and throughfall plus stemflow i......ely rooted on the family sofa rather than outside, running around, unsupervised. Inactivity may provide relief for some parents but it comes with a price. The Article The authors of a new report assert, with ample verification, that today's lifestyle is crippling the health of this and future generations a...Battle of the sexes leads to a biological arms race
...flicts will often remain hidden. Both sexes may be running frantically, in an evolutionary sense, but their interactions may remain at a standstill. New research conducted by Gran Arnqvist at the University of Uppsala, Sweden, and Locke Rowe at the University of Toronto, Canada, has for the first time unveil...Worm neuron research may lead to powerful model for Parkinson's study
..., the luminous network of threadlike green neurons running through the head and trunk of the worm is easy to discern. "We thought initially that we could develop a behavioral test that we might manipulate these dopamine neurons and the worms would behave a certain way," Blakely said. "But David, Richard,...Tyrannosaurus rex probably could not run fast, scientists say
...uch leg muscle a land animal would need to support running fast. In the Feb. 28 issue of the journal Nature, they report that T. rex probably could not run quickly. In fact, hindered by its size, it may not have been able to run at all. Though not enough is known to give an exact speed limit for T. rex, a ra...... focus on genetic research. I never expected to be running to a research lab almost every day as an undergraduate, Comeaux said. But its become a major part of my education here, and its an experience that students at other institutions may not have an opportunity to pursue. Shes even learn how to peace...