New immunization strategy could halve the doses for stopping computer virus spreading

Physics / General Physics

created Aug 18, 2008 | popularity 3.9 / 5 (23) | comments 4

Researchers have developed a new immunization strategy that requires up to 50% fewer immunization doses compared with the current most efficient strategy. The new strategy could be used to prevent the spread of human epidemics ...


Light transmission

Physicists Transmit Light through Opaque Materials

Physics / General Physics

created Aug 18, 2008 | popularity 4.7 / 5 (47) | comments 6

No matter how thick an opaque "scattering material" is, physicists have shown how to weave light through tiny open channels in the material, so that the light passes through on the other side.


Researchers Build World's Smallest SRAM Memory Cell

Nanotechnology / Nanophysics

created Aug 18, 2008 | popularity 4.4 / 5 (24) | comments 3

(PhysOrg.com) -- IBM and its development partners -- AMD, Freescale, STMicroelectronics, Toshiba and the College of Nanoscale Science and Engineering (CNSE) -- today announced the first working static random access memory ...


New Algorithm Significantly Boosts Routing Efficiency of Networks

New Algorithm Significantly Boosts Routing Efficiency of Networks

Technology / Computer Sciences

created Aug 18, 2008 | popularity 4.6 / 5 (14) | comments 1

(PhysOrg.com) -- A time-and-money-saving question shared by commuters in their cars and networks sharing ever-changing Internet resources is: "What's the best way to get from here to there?"


New Speed Record for Magnetic Memories

Physics / General Physics

created Aug 18, 2008 | popularity 4.6 / 5 (22) | comments 0

(PhysOrg.com) -- An experiment carried out at the Physikalisch-Technische Bundesanstalt (PTB) has realized spin torque switching of a nanomagnet as fast as the fundamental speed limit allows. Using this so-called ballistic ...


Groundbreaking Research Shows DEET Not Sweet to Mosquitoes

Groundbreaking Research Shows DEET Not Sweet to Mosquitoes

Biology /

created Aug 18, 2008 | popularity 4.6 / 5 (14) | comments 1

Spray yourself with a DEET-based insect repellent and the mosquitoes will leave you alone. But why? They flee because of their intense dislike for the smell of the chemical repellent and not because DEET jams ...


Indigenous children don't need number words to 'count', says new study

Other Sciences / Other

created Aug 18, 2008 | popularity 4.1 / 5 (16) | comments 3

The study, by researchers from the University of Melbourne and University College London, is set to be published in the journal Proceedings of the National Academy of Sciences.


New method to overcome multiple drug resistant diseases developed by Stanford researchers

Medicine & Health / Research

created Aug 18, 2008 | popularity 4.9 / 5 (8) | comments 0

Many drugs once considered Charles Atlases of the pharmaceutical realm have been reduced to the therapeutic equivalent of 97-pound weaklings as the diseases they once dispatched with ease have developed resistance to them.


Gel undergoes Peristalsis

Chemistry /

created Aug 18, 2008 | popularity 4.5 / 5 (15) | comments 4

(PhysOrg.com) -- Large or small, machine parts only move when controlled by an external impulse. Biological systems, on the other hand, are capable of autonomous movements that continuously follow their own rhythms and spatial ...


Researchers discover technology that silences genes

Biology /

created Aug 18, 2008 | popularity 4.9 / 5 (30) | comments 2

Mount Sinai researchers have developed a new gene silencing technology that could be used to target genes that can lead to the development of certain diseases. This technology could pave the way for preventing diseases where ...


2007 Hurricane Forecasts Took Blow from Winds and Saharan Dry, Dusty Air

2007 Hurricane Forecasts Took Blow from Winds and Saharan Dry, Dusty Air

Space & Earth / Earth Sciences

created Aug 18, 2008 | popularity 3.8 / 5 (10) | comments 5

(PhysOrg.com) -- A new analysis of environmental conditions over the Atlantic Ocean shows that hot, dry air associated with dust outbreaks from the Sahara desert was a likely contributor to the quieter-than-expected ...


Phoenix Camera Sees Morning Frost at the Landing Site

Phoenix Camera Sees Morning Frost at the Landing Site

Space & Earth / Space Exploration

created Aug 18, 2008 | popularity 4.4 / 5 (13) | comments 0

(PhysOrg.com) -- The Surface Stereo Imager, or SSI, on NASA's Phoenix Mars Lander has seen water frost on the ground around the spacecraft's landing site.


Switching it up: How memory deals with a change in plans

Medicine & Health / Research

created Aug 18, 2008 | popularity 3.6 / 5 (13) | comments 5

You're about to leave work at the end of the day when your cell phone rings: it's your spouse, asking that you pick up a gallon of milk on the way home. Before you head out the door, though, your spouse calls again and asks ...


Beetle Larva

Novel fungus helps beetles to digest hard wood

Biology /

created Aug 18, 2008 | popularity 4.7 / 5 (9) | comments 0

A little known fungus tucked away in the gut of Asian longhorned beetles helps the insect munch through the hardest of woods according to a team of entomologists and biochemists. Researchers say the discovery ...


Catalyst mystery unlocked

Chemistry /

created Aug 18, 2008 | popularity 4.5 / 5 (13) | comments 3

Different keys are not supposed to fit the same lock, but in biological systems multiple versions of a catalyst all make a reaction go, according to a new study that explains the phenomenon. Scheduled for online publication ...




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