News tagged with feedback loop

OpenStreetMap adds A to B directions

(—The people who run (the foundation) have announced that A to B directions have been added to the open source web site. While acknowledging that adding directions has been done by many other ...

dateFeb 19, 2015 in Internet report
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Negative feedback makes cells 'sensitive'

New research has shown that negative feedback loops in cell signalling systems can be essential for a cell's ability to perceive the strength of a growth stimulus. Cells lacking the feedback loop became insensitive to the ...

dateJan 08, 2014 in Cell & Microbiology
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'Vicious cycle' shields, spreads cancer cells

A "vicious cycle" produces mucus that protects uterine and pancreatic cancer cells and promotes their proliferation, according to researchers at Rice University. The researchers offer hope for a therapeutic solution.

dateSep 16, 2013 in Biochemistry
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Cheating favors extinction

Cooperative behaviour is widely observed in nature, but there remains the possibility that so-called 'cheaters' can exploit the system, taking without giving, with uncertain consequences for the social unit as a whole. A ...

dateApr 30, 2013 in Evolution
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