News tagged with control theory
The paradox of temptation
Medicine & Health / Psychology & Psychiatry
Jan 30, 2009 |
4 / 5 (6) |
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Does the mere availability of something tempting weaken the will to resist? The answer is of more than theoretical interest to public health experts, and the problem goes far beyond serious addictive disorders. Just think ...
New approach eliminates software deadlocks using discrete control theory
Technology / Computer Sciences
Dec 02, 2008 |
4.2 / 5 (18) |
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(PhysOrg.com) -- Software deadlocks are the Catch-22s of the computer world. These common bugs can freeze the machine when different parts of a program end up in an endless cycle of waiting for one another as they access ...
Evolution's new wrinkle: Proteins with cruise control provide new perspective
Biology /
Nov 10, 2008 |
4 / 5 (7) |
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(PhysOrg.com) -- A team of Princeton University scientists has discovered that chains of proteins found in most living organisms act like adaptive machines, possessing the ability to control their own evolution.
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Researchers revise long-held theory of fruit-fly development
Dec 17, 2009 |
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For decades, science texts have told a simple and straightforward story about a particular proteina transcription factorthat helps the embryo of the fruit fly, Drosophila melanogaster, pattern tissues in a m ...
Negative emotions outweigh intent to exercise at health clubs
Dec 17, 2009 |
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Time and time again, it has been documented that regular exercise has many health benefits including lowering risks associated with the comorbidities of obesity. With only 30% of Americans trying to lose weight meeting the ...
Genetic variant may control lung function and risk of COPD
Dec 17, 2009 |
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Researchers have discovered evidence that suggests a genetic variant may be associated with better preserved lung function among children with asthma and adults who smoke, according to a new study funded by the National Heart, ...
New research backs FDA ban on flavored cigarettes
Dec 15, 2009 |
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New research showing that thrill-seeking teenagers are especially susceptible to fruit-flavored cigarettes is in line with the recent ban on the sale of flavored cigarettes by the U.S. Food and Drug Administration (FDA) in ...
Scientists suggest certain genes boost chances for distributing variety of traits, drive evolution
Dec 14, 2009 |
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Genes that don't themselves directly affect the inherited characteristics of an organism but leave them increasingly open to variation may be a significant driving force of evolution, say two Johns Hopkins scientists.
Researchers uncover chemical basis for extra 'quality control' in protein production
Dec 09, 2009 |
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December 9, 2009 -Even small errors made by cells during protein production can have profound disease effects, and nature has developed ways to uncover these mistakes and correct them. Though in the case of one essential ...
Nanoimaging in 3-D
Dec 01, 2009 |
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(PhysOrg.com) -- As technology shrinks ever smaller, interest in objects and devices on the nanoscale becomes more apparent. However, visualizing these objects in three dimensions comes with special challenges. ...
Artificial refuges created to save the reptiles of Doņana
Nov 30, 2009 |
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The Aznalcóllar mining accident more than 11 years ago, which contaminated part of the Doņana National Park, also damaged reptile habitat there. Now a team of Spanish researchers, who have been studying ...
Game Theory: Researchers examine what makes video games click with players -- or not
Nov 30, 2009 |
3 / 5 (3) |
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Every Friday afternoon, the Singapore-MIT GAMBIT Game Lab opens its doors to anyone who wishes to drop by and play. On one such recent day, Jason Begy, a graduate student in the Comparative Media Studies program ...
Immune system activated in schizophrenia
Nov 18, 2009 |
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Researchers at the Swedish medical university Karolinska Institutet have discovered that patients with recent-onset schizophrenia have higher levels of inflammatory substances in their brains. Their findings offer hope of ...
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