News tagged with complex biological systems
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.
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 ...
Echoes of phlogiston in stem cell biology
Sep 21, 2009 |
5 / 5 (1) |
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Before it was learned that matter burns by taking up oxygen, most chemists sought to explain combustion as the release of a mysterious substance, which they named "phlogiston". Phlogiston theory was a conceptual breakthrough ...
Measuring the Immeasurable: New Study Links Heat Transfer, Bond Strength of Materials
Apr 13, 2009 |
4.8 / 5 (4) |
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(PhysOrg.com) -- The speed at which heat moves between two materials touching each other is a potent indicator of how strongly they are bonded to each other, according to a new study by researchers at Rensselaer ...
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Physicists propose quantum entanglement for motion of microscopic objects
Dec 21, 2009 |
4.4 / 5 (14) |
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Researchers at the California Institute of Technology (Caltech) have proposed a new paradigm that should allow scientists to observe quantum behavior in small mechanical systems.
Switchable Nanostructures Made with DNA
Nanotechnology / Bio & Medicine
Dec 21, 2009 |
4.8 / 5 (8) |
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(PhysOrg.com) -- Scientists at the U.S. Department of Energy’s Brookhaven National Laboratory have found a new way to use a synthetic form of DNA to control the assembly of nanoparticles — this time resulting ...
Researchers design a tool to induce controlled suicide in human cells
Dec 17, 2009 |
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When cells accumulate excessive errors in the proteins they produce, apoptosis is activated, that is to say, a cell suicide programme; however, beforehand the cells attempt to rectify the problem through a number of rescue ...
Water droplets shape graphene nanostructures
Dec 17, 2009 |
4.6 / 5 (7) |
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A single-atom-thick sheet of carbon, like those seen in pencil marks -- offers great potential for new types of nanoscale devices, if a good way can be found to mold the material into desired shapes.
Caltech scientists film photons with electrons
Dec 16, 2009 |
4.9 / 5 (21) |
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(PhysOrg.com) -- Techniques recently invented by researchers at the California Institute of Technology -- which allow the real-time, real-space visualization of fleeting changes in the structure of nanoscale ...
Watching Proteins Direct Crystal Growth One Step at a Time (w/ Video)
Dec 16, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- Scientists at Berkeley Lab's Molecular Foundry imaged the growth of protein-studded mineral surfaces with unprecedented resolution and provided a glimpse into how living systems engineer key ...
A new kind of micro-mobility: Moving tiny particles using magnetic fields (w/ Video)
Dec 14, 2009 |
3.7 / 5 (3) |
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(PhysOrg.com) -- A new microscopic system devised by researchers in MIT's Department of Materials Science and Engineering could provide a novel method for moving tiny objects inside a microfluidic chip, and ...
Prussian blue linked to the origin of life
Dec 14, 2009 |
4.7 / 5 (6) |
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A team of researchers from the Astrobiology Centre (INTA-CSIC) has shown that hydrogen cyanide, urea and other substances considered essential to the formation of the most basic biological molecules can be ...
'Extreme' genes shed light on origins of photosynthesis
Dec 11, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- While most school children understand that green plants photosynthesize, absorb carbon dioxide and produce oxygen, few people consider the profound global-scale effects that photosynthesis has had on Earth. ...
A special kind of flight training
Dec 08, 2009 |
4 / 5 (2) |
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(PhysOrg.com) -- A new generation of flight simulators will attempt to make air traffic safer.
List of search results for complex biological systems
