New Organic Gold-Nanoparticle Memory Device

New Organic Gold-Nanoparticle Memory Device

Nanotechnology / Nanophysics

created Feb 14, 2007 | popularity 4 / 5 (47) | comments 0

Researchers have developed a new memory device that uses gold nanoparticles and the organic semiconducting compound pentacene. This novel pairing is a key step forward in the drive to develop organic "plastic" ...


IBM eDRAM test chip

IBM Reveals Breakthrough eDRAM Memory Technology

Technology / Semiconductors

created Feb 14, 2007 | popularity 4.5 / 5 (67) | comments 0

In papers presented at the International Solid State Circuits Conference, IBM revealed a first-of-its-kind, on-chip memory technology that features the fastest access times ever recorded in eDRAM (Embedded ...


New accelerator technique doubles particle energy in just one meter

New accelerator technique doubles particle energy in just one meter

Physics / General Physics

created Feb 14, 2007 | popularity 4.5 / 5 (72) | comments 0

Imagine a car that accelerates from zero to sixty in 250 feet, and then rockets to 120 miles per hour in just one more inch.


Scientists Elucidate the Origin of the Darkest Galaxies in the Universe

Scientists Elucidate the Origin of the Darkest Galaxies in the Universe

Space & Earth / Astronomy

created Feb 14, 2007 | popularity 4.5 / 5 (48) | comments 0

Ghostly galaxies composed almost entirely of dark matter speckle the universe. Unlike normal galaxies, these extreme systems contain very few stars and are almost devoid of gas. Most of the luminous matter, ...


LSU professor resolves Einstein's twin paradox

Physics / General Physics

created Feb 14, 2007 | popularity 4.3 / 5 (387) | comments 0

Subhash Kak, Delaune Distinguished Professor of Electrical and Computer Engineering at LSU, recently resolved the twin paradox, known as one of the most enduring puzzles of modern-day physics.


Study: Spinal cord can repair itself

Medicine & Health / Research

created Feb 14, 2007 | popularity 4.4 / 5 (59) | comments 0

U.S. scientists say they have disproved the long-held theory that the spinal cord is incapable of repairing itself. The Johns Hopkins University researchers say human nerve stem cells they transplanted into damaged spinal ...


Male and female green swordtail fish

Ready when you are: First evidence that visual cues affect timing of sexual maturation

Biology /

created Feb 14, 2007 | popularity 4.2 / 5 (11) | comments 0

Scientists from the Universities of Exeter and Glasgow today reveal how some females become sexually mature more quickly if they see attractive males. Research published today in the Royal Society journal Biology Le ...


Membrane Sorts Molecules

50 atoms thick membrane sorts individual molecules

Nanotechnology / Bio & Medicine

created Feb 14, 2007 | popularity 4.4 / 5 (26) | comments 0

A newly designed porous membrane, so thin it's invisible edge-on, may revolutionize the way doctors and scientists manipulate objects as small as a molecule.


Research could produce a new class of computer chip

Technology / Engineering

created Feb 14, 2007 | popularity 4.3 / 5 (6) | comments 0

A new research project at Worcester Polytechnic Institute (WPI) is aimed at developing an entirely new type of reconfigurable computing device, one that combines the speed and power efficiency of custom-designed chips with ...


Disposable sensor uses DNA to detect hazardous uranium ions

Chemistry /

created Feb 14, 2007 | popularity 3.9 / 5 (8) | comments 0

Researchers at the University of Illinois at Urbana-Champaign have developed a simple, disposable sensor for detecting hazardous uranium ions, with sensitivity that rivals the performance of much more sophisticated laboratory ...


Andean Mummy

Mummy's amazing American maize

Other Sciences / Archaeology & Fossils

created Feb 14, 2007 | popularity 4 / 5 (6) | comments 0

The far-reaching influence of Spanish and Portuguese colonisers appears not to have extended to South American agriculture, scientists studying a 1,400-year-old Andean mummy have found.


DNA gives new perspectives to understand the mysteries of nature

Biology /

created Feb 14, 2007 | popularity 4.5 / 5 (10) | comments 0

What caused the extinction of the woolly rhinoceros ten thousand years ago from an area in Europe covering the coasts of the Arctic Ocean in the north to the coasts of the Mediterranean in the south? What caused the extinction ...


Piece of HIV protein may be key to AIDS vaccine development

Medicine & Health / Research

created Feb 14, 2007 | popularity 4.8 / 5 (13) | comments 0

In a finding that could have profound implications for AIDS vaccine design, researchers led by a team at the National Institute of Allergy and Infectious Diseases, part of the National Institutes of Health, have generated ...


Nyctalus lasiopterus Bat

Bats prey on nocturnally migrating songbirds

Biology /

created Feb 14, 2007 | popularity 3.8 / 5 (4) | comments 1

It was until now believed that nocturnally migrating songbirds, while venturing into the unfamiliar night sky for accomplishing their long, challenging trans-continental migrations, could at least release anti-predator ...


Shaky Ground

Shaky Ground

Space & Earth / Earth Sciences

created Feb 14, 2007 | popularity 4 / 5 (4) | comments 0

University of Arkansas researchers have used measurements of tiny movements in the Earth's crust to gain a better understanding of earthquake dynamics in Nicaragua, where a large quake devastated the city of ...




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