... divide -- no matter what changes might occur in its environment. Now scientists have shown that a positive-feedback system ensures that a cell that has made the decision to divide finishes what it ...
(AP) -- If you've ever sold something on eBay, you may have been pleased to receive positive feedback from the buyer. Multiply that by a million, and you can imagine how Jack Sheng feels.
... found that the pathway is set up to amplify its own activity. This combination of persistent activity and positive feedback leads to the long-term production of IL-13 as well as other substances that ...
... INFLAMMATION: Round and round we go: proinflammatory positive feedback loop identified in the intestines of individuals ... producing IL-23, the authors suggest that IL-23 and IFN-gamma form a positive ...
... "In this model we have shown that the dendritic interactions are enhanced enough to trigger a massive positive-feedback on activity. The model gives us a possible explanation of an important event in ...
... cell, the overall production of regulatory proteins increases. This transient increase is reinforced by a positive feedback loop in the latency pathway, permitting even higher production of lysogenic ...
... goal is to produce dramatically improved predictions of abrupt climate change resulting from positive feedbacks between the climate and ecosystems of the boreal and Arctic region.
Methane hydrate ...
... it is probably a combination of the brain maturing and experience.'
Brain area for positive feedback
There is also an area of the brain that responds strongly to positive feedback: the basal ...
... temperature and that under projected warming scenarios soils should release CO2 and provide a positive feedback to warming.
Richard Birdsey will discuss how U.S. forests currently offset about 15% ...
... Bradford, assistant professor in the UGA Odum School of Ecology. "What our finding suggests is that a positive feedback between warming and a loss of soil carbon to the atmosphere is likely to occur ...
... -minute delay between when the mRNA is made and when the functional proteins are made. On top of this is the positive feedback loop which makes the clock more regular and robust.
"It looks like the ...
... and civil society representatives.
Dr Davis added: "We've had a lot of very positive feedback on the research we presented at the workshop and we are planning to hold further meetings with senior ...
... as environmental actors," Smith said. "Wallace never really came to grips with the positive feedback part of the cycle, however, and it is instructive that through optimal control theory Chakrabarti ...
... regimes were carefully designed to ensure that participants received comparable levels of positive feedback and therapeutic attention in each.
"The results suggested that self-instruction training ...
... . Stroke the thing and it remembers what action caused the positive feedback. Smack it, and it won't repeat the "bad" behavior which preceded the beatdown.
Why seals? "People don' ...
