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Nanotubes grown straight in large numbers
Duke University chemists have found a way to grow long, straight cylinders only a few atoms thick in very large numbers, removing a major roadblock in the pursuit of nano-scale electronics. view more (2008-04-24)
The area of influence of earthquakes could be larger than is currently thought
Dr Álvaro Corral, a Ramón y Cajal researcher for the UAB Department of Physics, studies the relationships between the time and place of earthquake occurrences (ie, the jumps between an initial earthquake and another earthquake at a later time in another place) using statistical physics methods. view more (2006-11-22)
Cement's basic molecular structure finally decoded
In the 2,000 or so years since the Roman Empire employed a naturally occurring form of cement to build a vast system of concrete aqueducts and other large edifices, researchers have analyzed the molecular structure of natural materials and created entirely new building materials such as steel, which has a well-documented crystalline structure at... view more... (2009-09-10)
Turning Sunlight into Liquid Fuels: Berkeley Lab Researchers Create a Nano-sized Photocatalyst for Artificial Photosynthesis
For millions of years, green plants have employed photosynthesis to capture energy from sunlight and convert it into electrochemical energy. A goal of scientists has been to develop an artificial version of photosynthesis that can be used to produce liquid fuels from carbon dioxide and water. view more (2009-03-11)
Guarding giants with tiny protectors
How do you build an infrared (IR) camera that is small enough to fit on a mini-unmanned aerial vehicle (UAV) without cryogenic cooling? Call in the nanobots. view more (2005-10-24)
PTSD may increase heart disease risk in older men
A higher level of symptoms of posttraumatic stress disorder may increase the risk of coronary heart disease in older men, according to a report in the January issue of the Archives of General Psychiatry, one of the JAMA/Archives journals. view more (2007-01-03)
Study on cytotoxicity of carbon nanotubes
Owing to the novel properties of carbon nanotubes (CBNs), a series of problems associated with in vitro toxicity assessments of carbon nanotubes (CNTs) have appeared in many literatures. view more (2008-12-22)
Researchers make advances in wind energy generation
Engineers at the University of Alberta have created a wind energy generator that they hope people will one day be able to use to power their own homes. view more (2005-07-19)
Road to greener chemistry paved with nano-gold, researchers report
The selective oxidation processes that are used to make compounds contained in agrochemicals, pharmaceuticals and other chemical products can be accomplished more cleanly and more efficiently with gold nanoparticle catalysts, researchers have reported in Nature magazine. view more (2005-10-26)
University of Surrey Electronic Engineers' Revolutionary Discovery
A University of Surrey team led by Professor Ravi Silva has demonstrated a new method of growing carbon nanofibres at room temperature. Published in this week's Nature Materials, the technique they have used involves substituting the thermal energy requirements for growth with plasma decomposition of methane on the Ni catalyst. Professor Silva... view more... (2002-10-23)
Ultra-Useful Ultrasound Causing A Stir In Materials Science
As the molecules are manipulated by the sound wave, tiny cavities are formed and destroyed inside the material that release high levels of energy when they implode, causing chemical or physical reactions to occur. Sonochemistry is already proving a useful tool and is being applied commercially in the former Soviet Union in the casting process and... view more... (1999-02-03)
New, light-driven nanomotor is simpler, more promising, scientists say
Sunflowers track the sun as it moves from east to west. But people usually have to convert sunlight into electricity or heat to put its power to use. view more (2009-06-08)
Stem cell identity in culture may strongly depend on the cellular microenvironment
Identification, isolation and large scale culture of stem cells for potential medical applications is a major challenge in cell biology. view more (2007-04-25)
Client-directed therapy technique drastically reduces divorce/separation rates
Using four simple questions to generate client-directed feedback can greatly increase the chances that struggling couples will stay together, according to a recently published study. view more (2009-11-16)
Curry-cure? Spicing up the effectiveness of a potential disease-fighter
Scientists are reporting development of a nano-size capsule that boosts the body's uptake of curcumin, an ingredient in yellow curry now being evaluated in clinical trials for treatment of several diseases. view more (2009-11-05)
The Speed Of Learning The New Language Protects Against Psychological Symptoms In Refugees
The aim of this research is to study the effects of symptoms of posttraumatic stress disorder (PTSD), depression and dissociation as well as cumulative symptom load on language learning during the introduction phase in resettled refugees. Participants were resettled refugees of Iraqi origin. They were assessed by means of a structured interview... view more... (2004-08-31)
Berkeley Researchers Find New Route to Nano Self-Assembly
If the promise of nanotechnology is to be fulfilled, nanoparticles will have to be able to make something of themselves. An important advance towards this goal has been achieved by researchers with the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) who have found a simple and yet powerfully robust way to induce... view more... (2009-10-23)
Scaling up HIV prevention programs is cost effective
Scaling up HIV prevention programs can increase efficiency and thus prevent more HIV infections. view more (2007-07-12)
Viruses, start your engines!
Peering at structures only atoms across, researchers have identified the clockwork that drives a powerful virus nanomotor. Because of the motor's strength--to scale, twice that of an automobile--the new findings could inspire engineers designing sophisticated nanomachines. view more (2008-12-30)
Nanowire generates power by harvesting energy from the environment
As the sizes of sensor networks and mobile devices shrink toward the microscale, and even nanoscale, there is a growing need for suitable power sources. Because even the tiniest battery is too big to be used in nanoscale devices, scientists are exploring nanosize systems that can salvage energy from the environment. view more (2007-09-28)
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