News tagged with feedback loop
Not a one-way street: Evolution shapes environment of Connecticut lakes
Environmental change is the selective force that preserves adaptive traits in organisms and is a primary driver of evolution. However, it is less well known that evolutionary change in organisms also trigger ...
May 23, 2012 |
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Environmental group measures methane seeps in the Arctic
(Phys.org) -- A team of researchers, led by Katey Walter Anthony, of the University of Alaska, has been studying and mapping so-called seeps, holes in lake ice near the edges of glaciers where methane is bubbling ...
Space & Earth / Earth Sciences
May 21, 2012 |
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Group finds circadian clock common to almost all life forms
(Phys.org) -- A group of biology researchers, led by Akhilesh Reddy from Cambridge University have found an enzyme that they believe serves as a circadian clock that operates in virtually all forms of life. ...
May 17, 2012 |
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Protein associated with learning implicated in causing grasshoppers to swarm
New research has found that a protein associated with learning and memory plays an integral role in changing the behaviour of locusts from that of harmless grasshoppers into swarming pests.
Dec 19, 2011 |
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Biochemists create computer controlled feedback loop with yeast
(PhysOrg.com) -- Scientists of many varied backgrounds have been hard at work in recent years trying to figure out a way to control the intricate processes that go on in cells so as to allow them to manipulate ...
Nov 08, 2011 |
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Study presents new insight into plant immunity
Researchers have identified an important cog in the molecular machinery of plant immunity - a discovery that could help crop breeders produce disease-resistant varieties to help ensure future food security. There may also ...
Oct 02, 2011 |
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Machines to compare notes online?
The best way for autonomous machines, networks and robots to improve in future will be for them to publish their own upgrade suggestions on the Internet. This transparent dialogue will help humans to both guide and trust ...
Jul 15, 2011 |
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Quasar's belch solves longstanding mystery (w/ Video)
(PhysOrg.com) -- When two galaxies merge to form a giant, the central supermassive black hole in the new galaxy develops an insatiable appetite. However, this ferocious appetite is unsustainable.
Feb 24, 2011 |
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Activity of a single brain cell can predict if we spend or save
(PhysOrg.com) -- By eavesdropping on the activity of a single brain cell, Yale University researchers can predict the outcome of decisions such as whether you will dip into your retirement account to buy a ...
Medicine & Health / Neuroscience
Jan 12, 2011 |
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Study finds possible 'persistence' switch for tuberculosis
(PhysOrg.com) -- An examination of a portion of the tuberculosis genome that responds to stress has allowed Rice University bioengineers Oleg Igoshin and Abhinav Tiwari to zero in on a network of genes that may "switch" the ...
Medicine & Health / Diseases, Conditions, Syndromes
Sep 17, 2010 |
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Autonomous quantum error correction technique proposed for quantum memories
(PhysOrg.com) -- While words such as "powerful" and "efficient" are often used to describe the potential of quantum computing, these quantum systems can be very fragile at the same time. Errors in quantum ...
Aug 04, 2010 |
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Trees facilitate wildfires as a way to protect their habitat
Fire is often thought of something that trees should be protected from, but a new study suggests that some trees may themselves contribute to the likelihood of wildfires in order to promote their own abundance ...
Oct 28, 2009 |
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Middle-school math classes are key to closing racial academic achievement gap
More challenging middle-school math classes and increased access to advanced courses in predominantly black urban high schools may be the key to closing the racial academic achievement gap, according to a University of Illinois ...
Other Sciences / Social Sciences
Apr 20, 2009 |
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