Search results for cascading failure
New evidence on the robustness of metabolic networks
Biology /
Sep 04, 2008 |
4.6 / 5 (5) |
0
Biological systems are constantly evolving in ways that increase their fitness for survival amidst environmental fluctuations and internal errors. Now, in a study of cell metabolism, a Northwestern University research team ...
Climate influence on deep sea populations
Biology /
Jan 16, 2008 |
4 / 5 (2) |
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In an article published in the January 16 issue of PLoS ONE, Joan B. Company and colleagues at the Institut de Ciències del Mar (CSIC) in Spain describe a mechanism of interaction across ecosystems showing how a climate-driven ...
Serious school failure turns out to be a real bummer for girls, but not boys
Jul 22, 2008 |
3.5 / 5 (4) |
3
(PhysOrg.com) -- Adolescent girls who had a serious school failure by the 12th grade -- being expelled, suspended or dropping out -- were significantly more likely to have suffered a serious bout of depression at the age ...
Research: No evidence for 'too big to fail' policies
Apr 24, 2009 |
5 / 5 (6) |
2
The U.S. economy would be better served by letting failing firms file for bankruptcy rather than by bailing them out under presumptive federal policies that deem them to be "too big to fail," according to ...
Glitch snarls air traffic in latest woes for FAA
Nov 19, 2009 |
5 / 5 (1) |
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(AP) -- For the second time in a little more than a year, a glitch at one of the two centers that handle flight plans for the nation's air travel system set off delays and cancellations for passengers around ...
'Cascading effect' of childhood experiences may explain serious teen violence
Medicine & Health / Psychology & Psychiatry
Nov 14, 2008 |
4.4 / 5 (5) |
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Adverse experiences early in life can lead to minor childhood behavior problems, which can grow into serious acts of teen violence, according to new research. This "cascading effect" of repeated negative incidents and behaviors ...
Taking the juice for granted: Powering American cities in the new century
Aug 25, 2009 |
5 / 5 (4) |
3
Barring the occasional thunderstorm, most Americans take the electric current behind their power buttons for granted, and assume the juice will be there when they're ready to fire up an appliance or favorite ...
Big vegetarian mammals can play a critical role in maintaining healthy ecosystems, study finds
Biology /
Jan 17, 2007 |
3.7 / 5 (3) |
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Removing large herbivorous mammals from the African savanna can cause a dramatic shift in the relative abundance of species throughout the food chain, according to scientists from Stanford University, Princeton University ...
Physical Review Letter on Breaking Spaghetti Leads to 2006 Ig Noble Award
Oct 06, 2006 |
4 / 5 (36) |
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Basile Audoly and Sebastien Neukirch of the Université Pierre et Marie Curie earned the infamous 2006 Ig Noble prize for physics for their insights into why dry spaghetti often breaks into more than two pieces when it is ...
Internet Growth Follows Moore's Law Too
Jan 14, 2009 |
4.3 / 5 (24) |
11
(PhysOrg.com) -- Originally, Moore’s Law described the number of transistors that can fit on an integrated circuit, which doubles approximately every 18 months. Now, a team of researchers from China has discovered ...
Estrogen can reduce stroke damage by inactivating protein
Jul 16, 2009 |
not rated yet |
0
Estrogen can halt stroke damage by inactivating a tumor-suppressing protein known to prevent many cancers, Medical College of Georgia researchers say.
More Filipinos leave homes as volcano spills lava
Space & Earth / Earth Sciences
Dec 18, 2009 |
5 / 5 (1) |
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(AP) -- Security forces in army trucks Friday sent about 3,000 residents outside the danger zone surrounding the smoldering Mayon volcano, which looked set for a major eruption after days of shooting ash ...
New business theory shows compensation plans can make or break a firm
Apr 15, 2009 |
2.9 / 5 (11) |
2
(PhysOrg.com) -- Greed has been blamed for most of Wall Street's woes and the banking sector's recent collapse, but two professors at Washington University in St. Louis say envy is really to blame. And, they warn, envy is ...
Securing America's power grid
Jun 27, 2006 |
3 / 5 (2) |
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Terrorists attack Colombia's electrical grid hundreds of times a year. What's to stop attacks on America's power lines? An Iowa State University research team led by Arun Somani, chair and Jerry R. Junkins professor of electrical ...
Loss of top predators causing surge in smaller predators, ecosystem collapse
Oct 01, 2009 |
5 / 5 (4) |
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The catastrophic decline around the world of "apex" predators such as wolves, cougars, lions or sharks has led to a huge increase in smaller "mesopredators" that are causing major economic and ecological disruptions, ...
