News tagged with network structure

results timeline


water

Why Does Water Expand When it Cools? A New Explanation

Physics / Condensed Matter

created Jul 17, 2009 | popularity 4.2 / 5 (39) | comments 16 feature

(PhysOrg.com) -- Most of us, when we take our first science classes, learn that when things cool down, they shrink. (When they heat up, we learn, they usually expand.) However, water seems to be the exception ...


New evidence on the robustness of metabolic networks

Biology /

created Sep 04, 2008 | popularity 4.6 / 5 (5) | comments 0

Biological systems are constantly evolving in ways that increase their fitness for survival amidst environmental fluctuations and internal errors. Now, in a study of cell metabolism, a Northwestern University research team ...


It's the network: Researchers examine behavior influenced by network structure

Technology / Computer Sciences

created Jan 28, 2009 | popularity 4.6 / 5 (5) | comments 0

A team of computer scientists at the University of Pennsylvania investigating the political, social and economic struggle between individual self-interest and the need to build a consensus have learned that, depending only ...


All decked out: Networks of chitin filaments are integral components of diatom silica shells

Chemistry / Biochemistry

created Dec 01, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- A whole microcosm of various bizarrely shaped life forms opens up when you look at diatoms, the primary component of ocean plankton, under a microscope. The regularly structured silica shells of these tiny ...





Search results for network structure


Broadcasters' woes could spell trouble for free TV (AP)

Broadcasters' woes could spell trouble for free TV

Technology / Telecom

created 13 hours ago | popularity 4.7 / 5 (3) | comments 8

(AP) -- For more than 60 years, TV stations have broadcast news, sports and entertainment for free and made their money by showing commercials. That might not work much longer.


Chemical energy influences tiny vibrations of red blood cell membranes

Chemical energy influences tiny vibrations of red blood cell membranes

Chemistry / Biochemistry

created Dec 21, 2009 | popularity 4.8 / 5 (6) | comments 0

(PhysOrg.com) -- Much like a tightly wound drum, red blood cells are in perpetual vibration. Those vibrations help the cells maintain their characteristic flattened oval or disc shape, which is critical to ...


From terrorism to HIV, it's all about the network

Other Sciences / Social Sciences

created Dec 18, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Similarities between webs of terrorists and networks of rescue personnel may seem unlikely. To an eclectic collaboration of engineers and social scientists, the connections are not only possible, but a potential ...


Heart cells on lab chip display 'nanosense' that guides behavior

Heart cells on lab chip display 'nanosense' that guides behavior

Nanotechnology / Bio & Medicine

created Dec 15, 2009 | popularity 4 / 5 (2) | comments 1

Johns Hopkins biomedical engineers, working with colleagues in Korea, have produced a laboratory chip with nanoscopic grooves and ridges capable of growing cardiac tissue that more closely resembles natural ...


Air Force grant to tighten online encryption

Technology / Computer Sciences

created Dec 14, 2009 | popularity 4 / 5 (1) | comments 0

(PhysOrg.com) -- Computer scientist Rafael Pass is seeking new approaches to cryptographic security with a $600,000, five-year grant from the Air Force Office of Scientific Research.


Ending the cycle of poverty

Ending the cycle of poverty

Medicine & Health / Psychology & Psychiatry

created Dec 14, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- While many academically talented high-school students in Providence, Rhode Island, are figuring out what outfit to wear to school on a particular day, other top grade-earners are busily getting ...


Physics rules network dynamics

Physics rules network dynamics

Physics / General Physics

created Dec 11, 2009 | popularity 4.8 / 5 (25) | comments 0

(PhysOrg.com) -- When it comes to the workings of the Web, the brain, or a social network, physics finds universal truths.


A social network that ballooned

A social network that ballooned

Technology / Internet

created Dec 11, 2009 | popularity 1 / 5 (1) | comments 1

(PhysOrg.com) -- On Tuesday, Dec. 1, members of the MIT Media Lab’s Human Dynamics Laboratory received an e-mail with a $40,000 proposition. The U.S. Defense Department’s Defense Advanced Research Projects ...


Globalive to launch mobile phone service in Canada

Technology / Telecom

created Dec 11, 2009 | popularity not rated yet | comments 0

(AP) -- The Canadian government said Friday that it has approved a request from Egyptian-backed telecom Globalive Wireless Management Corp. to launch its mobile phone service in Canada.


Mathematical models key to tracking gossip, terrorists

Mathematical models key to tracking gossip, terrorists

Other Sciences / Mathematics

created Dec 09, 2009 | popularity 4 / 5 (4) | comments 0

(PhysOrg.com) -- Thanks to the Internet and online social networks (OSNs) news and gossip now spread literally like wildfire -- uncontrollably and seemingly without any order. But according to one Ryerson ...



List of search results for network structure