News tagged with nodes
Internet Growth Follows Moore's Law Too
(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 ...
Jan 14, 2009 |
4.3 / 5 (25) |
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Greedy Routing Enables Network Navigation Without a 'Map'
(PhysOrg.com) -- How does an e-mail get routed so quickly to its recipient's inbox, or a search query generate relevant Web pages from servers from around the world? Navigating the Internet - or any similar ...
Feb 17, 2009 |
4.5 / 5 (21) |
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Computational Science Programming Model Crosses the Petaflop Barrier
(PhysOrg.com) -- Researchers at Pacific Northwest National Laboratory and Oak Ridge National Laboratory have demonstrated that the PNNL-developed Global Arrays computational programming model can perform at ...
Technology / Computer Sciences
Feb 12, 2010 |
4.6 / 5 (9) |
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Carbon Nanotubes Boost Cancer-Fighting Cells
(PhysOrg.com) -- Yale University engineers have found that the defects in carbon nanotubes cause T cell antigens to cluster in the blood and stimulate the body's natural immune response. Their findings, which ...
Nanotechnology / Bio & Medicine
Apr 20, 2010 |
4.4 / 5 (9) |
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New origin found for a critical immune response
An immune system response that is critical to the first stages of fighting off viruses and harmful bacteria comes from an entirely different direction than most scientists had thought, according to a finding by researchers ...
Medicine & Health / Medical research
Mar 01, 2009 |
4.4 / 5 (8) |
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Nanoparticles Detect and Purge Metastases in Lymph Nodes
Colonoscopy represents one of the great weapons against cancer. In one step, a physician can find precancerous lesions in the colon and then cut them out, an on-the-spot intervention that prevents cancer from developing. ...
Nanotechnology / Bio & Medicine
Oct 30, 2009 |
5 / 5 (6) |
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Tumors hide out from the immune system by mimicking lymph nodes
A new mechanism explaining how tumors escape the body's natural immune surveillance has recently been discovered at EPFL (Ecole Polytechnique Fédérale de Lausanne) in Switzerland. The study shows ...
Mar 25, 2010 |
5 / 5 (6) |
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What is the function of lymph nodes?
If we imagine our immune system to be a police force for our bodies, then previous work has suggested that the Lymph nodes would be the best candidate structures within the body to act as police stations - the regions in ...
May 26, 2009 |
4.8 / 5 (6) |
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Trains’ vibrations could provide power for monitoring tunnels
(PhysOrg.com) -- Traffic tunnels are often built in some of the most rugged and remote areas, which subjects them to extreme environmental forces while making them difficult to access. Ideally, the structural ...
Aug 08, 2011 |
3.8 / 5 (6) |
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The sound of melanoma can help doctors find cancer (w/ Video)
Knowing the stage of a patient's melanoma is important when choosing the best course of treatment. When the cancer has progressed to the lymph nodes, a more aggressive treatment is needed. Examining an entire ...
Feb 23, 2010 |
4.4 / 5 (5) |
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Researcher discovers how new HIV vaccine candidate can control HIV progression
(PhysOrg.com) -- Researchers from the University of Toronto and Mount Sinai Hospital have made significant findings about how a new HIV vaccine candidate (Delta 5) can reduce -- and in some cases stop -- HIV progression by ...
Medicine & Health / HIV & AIDS
Jan 19, 2010 |
4.2 / 5 (5) |
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Location determines social network influence, study finds
A team of researchers led by Dr. Hernan Makse, professor of physics at The City College of New York (CCNY), has shed new light on the way that information and infectious diseases proliferate across complex networks. Writing ...
Aug 29, 2010 |
3.3 / 5 (6) |
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Green tea extract shows promise in leukemia trials
Mayo Clinic researchers are reporting positive results in early leukemia clinical trials using the chemical epigallocatechin gallate (EGCG), an active ingredient in green tea. The trial determined that patients with chronic ...
May 26, 2009 |
4.8 / 5 (4) |
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Google -- an engine of knowledge creation?
Search engines like Google have become part of everyday life, not least in the academic context. But if knowledge is power, then search engines themselves are gaining ground as power nodes in their own right. Academic users ...
Other Sciences / Social Sciences
Nov 26, 2010 |
4.3 / 5 (4) |
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Revolutionary sensor system protects ports, bridges and distribution centres
(PhysOrg.com) -- Özlem Durmaz Incel, researcher at the University of Twente, the Netherlands, has developed a spectacular new method that enables wireless sensor networks to function up to ten times more efficiently. Networks ...
Apr 27, 2009 |
5 / 5 (3) |
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