News tagged with complex
How Did Evolution Begin?
Sep 28, 2009 |
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(PhysOrg.com) -- Life's ability to replicate itself is essential for evolution, yet even the simplest kind of replication requires a relatively complex system. So what kind of non-replicating system might ...
Physics rules network dynamics
Dec 11, 2009 |
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(PhysOrg.com) -- When it comes to the workings of the Web, the brain, or a social network, physics finds universal truths.
International scientists set boundaries for survival
Sep 23, 2009 |
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Human activities have already pushed the Earth system beyond three of the planet's biophysical thresholds, with consequences that are detrimental or even catastrophic for large parts of the world; six others ...
'Six Degrees of Kevin Bacon' game provides clue to efficiency of complex networks
Nov 17, 2008 |
4.4 / 5 (21) |
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As the global population continues to grow exponentially, our social connections to one another remain relatively small, as if we're all protagonists in the Kevin Bacon game inspired by "Six Degrees of Separation," ...
Bacteria offer insights into human decision making
Dec 08, 2009 |
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(PhysOrg.com) -- Scientists studying how bacteria under stress collectively weigh and initiate different survival strategies say they have gained new insights into how humans make strategic decisions that ...
Researchers Find Innate Correlations Among Different Power Law Phenomena
Nov 17, 2009 |
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(PhysOrg.com) -- Studying the patterns that emerge in natural and social phenomena is a popular area of research, although usually individual phenomena are studied separately from each other. In a recent study, ...
Being Isaac Newton: Computer derives natural laws from raw data
Technology / Computer Sciences
Apr 02, 2009 |
4.4 / 5 (20) |
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If Isaac Newton had access to a supercomputer, he'd have had it watch apples fall - and let it figure out the physical matters. But the computer would have needed to run an algorithm, just developed by Cornell ...
New book suggests Earth perhaps not such a benevolent mother after all
Other Sciences / Archaeology & Fossils
May 20, 2009 |
4.1 / 5 (21) |
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(PhysOrg.com) -- In the past 50 years it has become commonplace to think of Earth as a nurturing place, straining mightily to maintain equilibrium so that life might continue and flourish.
Complex decision? Don't sleep on it
Medicine & Health / Psychology & Psychiatry
Aug 11, 2008 |
3.9 / 5 (22) |
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Neither snap judgements nor sleeping on a problem are any better than conscious thinking for making complex decisions, according to new research.
Scientists enhance immune system attacks on cancer
Oct 21, 2008 |
4.8 / 5 (15) |
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In an Early Edition issue of the Proceedings of the National Academy of Sciences (PNAS) published online on October 20, 2008, the scientists describe how they used multiple tactics to rev up both innate and adaptive immuni ...
Researchers develop computational tool to untangle complex data
Dec 16, 2008 |
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(PhysOrg.com) -- A group of Dartmouth researchers have developed a mathematical tool that can be used to unscramble the underlying structure of time-dependent, interrelated, complex data, like the votes of ...
Physicists show way to count sweets in a jar -- from inside the jar
Jul 29, 2009 |
4.2 / 5 (12) |
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(PhysOrg.com) -- How many sweets fit into a jar? This question depends on the shapes and sizes of the sweets, the size of the jar, and how it is filled. Surprisingly, this ancient question remains unanswered because of the ...
Analysis Shows Uptick Rule Vital to Market Stability
Nov 18, 2008 |
4.2 / 5 (9) |
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(PhysOrg.com) -- A new study by researchers at the New England Complex Systems Institute found that interpretations of data from an SEC pilot program used to justify the repeal of the "uptick rule" in the summer of 2007 are ...
Scientists create working artificial nerve networks
Jan 28, 2009 |
4.5 / 5 (8) |
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Scientists have already hooked brains directly to computers by means of metal electrodes, in the hope of both measuring what goes on inside the brain and eventually healing conditions such as blindness or epilepsy. In the ...
Astronomers unveiling life's cosmic origins
Space & Earth / Space Exploration
Feb 12, 2009 |
4.1 / 5 (8) |
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(PhysOrg.com) -- Processes that laid the foundation for life on Earth -- star and planet formation and the production of complex organic molecules in interstellar space -- are yielding their secrets to astronomers ...
