News tagged with complex
Bourbon versus vodka: Bourbon hurts more the next day, performance is the same
Dec 18, 2009 |
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Many alcoholic beverages contain byproducts of the materials used in the fermenting process. These byproducts are called "congeners," complex organic molecules with toxic effects including acetone, acetaldehyde, fusel oil, ...
Bacteria offer insights into human decision making
Dec 08, 2009 |
4.6 / 5 (20) |
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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 ...
Electronic patient records are not a panacea
Dec 14, 2009 |
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Large-scale electronic patient record (EPR) programmes promise much but sometimes deliver little, according to a new study by UCL researchers that reviewed findings from hundreds of previous studies from all over the world.
Researchers Find Innate Correlations Among Different Power Law Phenomena
Nov 17, 2009 |
4.2 / 5 (21) |
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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, ...
Researchers identify a scaffold regulating protein disposal
Dec 11, 2009 |
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How does a cell manage to identify and degrade the diverse types of defective proteins and thus protect the body against serious diseases? The researchers Sabine C. Horn, Professor Thomas Sommer, Professor Udo Heinemann and ...
How Did Evolution Begin?
Sep 28, 2009 |
4.3 / 5 (28) |
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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 |
4.7 / 5 (21) |
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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.
Compressing photonic signals for greater bandwidth
Nov 03, 2009 |
4.5 / 5 (6) |
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Cornell researchers have developed an ingenious method to time-compress optical signals. The process could enable optical communication systems to carry many more bits per second or could also be used to generate ...
Highlight: Exploiting strain fields
Dec 10, 2009 |
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(PhysOrg.com) -- Electronic devices of the future may benefit from a fundamental discovery that allows researchers to customize the electronic properties of complex materials such as single-crystal thin-film structures.
International scientists set boundaries for survival
Sep 23, 2009 |
3.7 / 5 (28) |
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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 ...
Scientists bend nanowires into 2-D and 3-D structures
Oct 21, 2009 |
4.3 / 5 (7) |
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(PhysOrg.com) -- Taking nanomaterials to a new level of structural complexity, scientists have determined how to introduce kinks into arrow-straight nanowires, transforming them into zigzagging two- and three-dimensional ...
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.
Researchers develop virtual streams to help restore real ones
Nov 24, 2009 |
5 / 5 (1) |
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Researchers at the University of Minnesota have developed a unique new computer model called the Virtual StreamLab, designed to help restore real streams to a healthier state. The Virtual StreamLab, which demonstrates the ...
Researchers construct a device that mimics one of nature's key transport machines
Biology /
Jan 06, 2009 |
4.7 / 5 (7) |
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(PhysOrg.com) -- To help protect its genes, a cell is highly selective about what it allows to move in and out of its nucleus. Yet that choosiness is regulated by just a thin barrier, perforated with tiny ...
