News tagged with complex
Pore 'vision' improved
A team led by Naoko Imamoto of the RIKEN Advanced Science Institute in Wako, Japan, has uncovered processes governing the formation of functionally important structures called nuclear pore complexes (NPCs) ...
Oct 18, 2010 |
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Societies evolve slowly, just like biological species
(PhysOrg.com) -- It has been a contentious issue for some time among historians, anthropologists, and archaeologists whether societies and cultures arise slowly or in sudden bursts and if they collapse in ...
Other Sciences / Social Sciences
Oct 14, 2010 |
4.4 / 5 (16) |
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Bringing down the electric grid
Last March, the U.S. Congress heard testimony about a scientific study in the journal Safety Science. A military analyst worried that the paper presented a model of how an attack on a small, unimportant part o ...
Oct 12, 2010 |
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Scientists watch cell-shape process for first time
Researchers at the Carnegie Institution for Science, with colleagues at the Nara Institute of Science and Technology, observed for the first time a fundamental process of cellular organization in living plant cells: the birth ...
Oct 10, 2010 |
5 / 5 (2) |
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Using complex systems approach to study educational policy
Educational policy is controversial: positions on achievement gaps, troubled schools and class size are emotionally charged, and research studies often come to very different conclusions.
Other Sciences / Social Sciences
Oct 08, 2010 |
4.2 / 5 (6) |
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Complexity not so costly after all, analysis shows
The more complex a plant or animal, the more difficulty it should have adapting to changes in the environment. That's been a maxim of evolutionary theory since biologist Ronald Fisher put forth the idea in 1930.
Sep 27, 2010 |
4.6 / 5 (8) |
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New kind of fuel cell delivers energy and fine chemicals with no waste from renewable raw materials
(PhysOrg.com) -- The concept of converting renewable raw materials so cleverly that the same process simultaneously produces both energy and industrially desirable chemicals has been high on the wish-list ...
Sep 24, 2010 |
4.5 / 5 (13) |
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New fluorescence technique opens window to protein complexes in living cells
Fluorescent microscopy makes use of molecules, such as green fluorescent protein (GFP), that emit colored light when illuminated with light of a specific wavelength. Molecules like GFP can be used to label proteins of interest ...
Sep 21, 2010 |
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Computer scientists to develop smart vision machines
Five years ago, Laurent Itti of the University of Southern California presented groundbreaking research on how humans see the world. Now, he is heading a $16-million Defense Advanced Research Project Agency ...
Technology / Computer Sciences
Sep 20, 2010 |
3.5 / 5 (2) |
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Tiny micro air vehicles may someday explore and detect environmental hazards
Dr. Robert Wood of Harvard University is leading the way in what could become the next phase of high-performance micro air vehicles for the Air Force.
Sep 15, 2010 |
3.8 / 5 (5) |
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Doing the math on where people go
Network scientists at Northeastern University have created a mathematical model that can simulate human mobility over the course of several months or even years.
Sep 15, 2010 |
2.5 / 5 (2) |
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Platinum and light together fight cancer
(PhysOrg.com) -- Researchers continue to search for cancer treatments that effectively destroy tumor cells while protecting surrounding healthy tissue and the body. One intriguing approach involves photoactivated ...
Sep 14, 2010 |
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Improving crisis prediction, disaster control and damage reduction
Some disasters and crises are related to each other by more than just the common negative social value we assign to them. For example, earthquakes, homicide surges, magnetic storms, and the U.S. economic recession are all ...
Sep 14, 2010 |
3 / 5 (1) |
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Study may help predict extinction tipping point for species
What if there were a way to predict when a species was about to become extinct -- in time to do something about it?
Sep 08, 2010 |
4 / 5 (6) |
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Quantum dots track who gets into cell nucleus
(PhysOrg.com) -- UC Berkeley researchers Karsten Weis, Jan Liphardt, and colleagues have used fluorescent probes called quantum dots to determine which molecules get into the nucleus via its nano-pores and ...
Nanotechnology / Bio & Medicine
Sep 02, 2010 |
5 / 5 (1) |
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