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Scientists build 'roach motel' for nasty bugs of the bacterial variety
The vacancy sign is on, but the lowlifes who check in never check out. Scientists at the University of Florida and the University of New Mexico have created tiny microscopic spheres that trap and kill harmful bacteria in a manner the scientists liken to "roach motels" snaring and killing cockroaches. view more (2008-11-25)
Bird fall-out measures radioactive fall-out
Jim Clapp (University of Ulster) will reveal how bird droppings can be used to measure radioactive fall-out in the environment. Solid urate spheres found in bird excretions can be screened for man-made pollutants such as radioactive caesium, providing a new non-invasive way to monitor the environment. Mr. Clapp will present his latest results... view more... (2004-03-30)
Geophysical Research Letters Highlight for 1 October 2001
American Geophysical Union Geophysical Research Letters European Highlight of This Issue - 1 October 2001 ******************** Contents I. Highlight II. Authors and their institutions III. Notes, including ordering information for science writers ********** I. Highlight 7. New method investigates submicrometer particles Using a hygroscopicity... view more... (2001-09-21)
New intestinal disease charted by Swedish researcher
Microscopic colitis is a newly discovered inflammatory intestinal disease that occurs in two different forms, lymphocytary colitis and collagenic colitis. Ã-rebro University, Sweden, is on the cutting edge of research on these diseases, and Martin Olesen is one of first scientists in the country to write a dissertation on the subject, defending... view more... (2004-01-26)
Researchers bend light through waveguides in colloidal crystals
Researchers at the University of Illinois are the first to achieve optical waveguiding of near-infrared light through features embedded in self-assembled, three-dimensional photonic crystals. view more (2008-01-08)
An epidemiologic study of microscopic colitis in Turkey
The research team led by Levent Erdem from Şişli Etfal Teaching and Research Hospital of Turkey investigated the prevalence and demography of microscopic colitis in patients with diarrhea of unknown etiology and normal colonoscopy in Turkey. This will be published on 21 July 2008, in the World Journal of Gastroenterology... view more... (2008-10-08)
MIT: Mini satellites rocketing to space station
A Russian rocket launched Monday, April 24, is carrying the first of three small, spherical satellites developed at MIT to the International Space Station - a major step toward building space-based robotic telescopes and other systems. view more (2006-04-27)
Shape matters in the case of cobalt nanoparticles
Shape is turning out to be a particularly important feature of some commercially important nanoparticles-but in subtle ways. view more (2009-06-18)
Tiny radioactive spheres effectively treat cancer that has spread to the liver
Placing tiny radioactive spheres directly into the liver through its blood supply halted growth of tumors that had spread to the organ in 71 percent of patients tested in a small clinical trial, researchers from Mayo Clinic Jacksonville report. view more (2007-10-30)
Superformula offers an original and refreshing look at nature and science.
New book: `Inventing the Circle` (in Dutch; English version is in process). The geometry of life. Just imagine the impossible and the unthinkable. A set of abstract shapes, like a triangle, a circle, square and rectangle, with convex or concave sides, with sharp or rounded corners, spheres, cubes, pyramids, as well as shapes from nature, like... view more... (2002-01-30)
Extra-large 'atoms' allow Penn physicists to solve the riddle of why things melt
Physicists at the University of Pennsylvania have experimentally discovered a fundamental principal about how solid materials melt. Their studies have shown explicitly that melting begins at defects within the crystalline structure of solid matter, beginning along the cracks, grain boundaries and dislocations that are present in the otherwise... view more... (2005-07-01)
Job-related stress: NIST demonstrates fatigue effects in silicon
Researchers at the National Institute of Standards and Technology (NIST) have demonstrated a mechanical fatigue process that eventually leads to cracks and breakdown in bulk silicon crystals-a phenomenon that's particularly interesting because it long has been thought not to exist. view more (2007-11-28)
Sandia researchers discover way to see how a drug attaches to a cell
Sandia National Laboratories researchers John Shelnutt and Yujiang Song have discovered a better way to see where a drug attaches to a cell through a new process that produces novel hollow platinum nanostructures. view more (2006-11-14)
Purifying nanorods: Big success with tiny cleanup
Chemists at Rice University have discovered a novel method to produce ultra-pure gold nanorods -- tiny, wand-like nanoparticles that are being studied in dozens of labs worldwide for applications as broad as diagnosing disease and improving electronic viewscreens. view more (2008-09-23)
Eye cells believed to be retinal stem cells are misidentified
Cells isolated from the eye that many scientists believed were retinal stem cells are, in fact, normal adult cells, investigators at St. Jude Children's Research Hospital have found. view more (2009-03-31)
Pressable photonic crystals produce full-colour fingerprints and promise enhanced security
In the future, law enforcement officials may take full-colour fingerprints using new technology developed by a University of Toronto-led team of international researchers. view more (2006-03-15)
Polymer opal films shed new kind of light on nature
Imagine cleaning out your refrigerator and being able to tell at a glance whether perishable food items have spoiled, because the packaging has changed its color, or being able to tell if your dollar bill is counterfeit simply by stretching it to see if it changes hue. view more (2007-07-24)
Earth's turbulence stirs things up slower than expected
In a simple world rivers would flow in straight lines, every airplane ride would be smooth, and we would know the daily weather 10 years into the future. But the world is not simple - it is turbulent. view more (2006-03-06)
Einstein's tea leaves inspire new blood separation technique
Scientists at Monash University in Australia have developed a process for rapidly and efficiently separating blood plasma at the microscopic level without any moving parts, potentially allowing doctors to do blood tests without sending samples to a laboratory. view more (2007-01-18)
Tea tree oil and silver together make more effective antiseptics
In the fight against infected skin wounds, mixing tea tree oil and silver or putting them in liposomes, (small spheres made from natural lipids), greatly increases their antimicrobial activity and may minimise any side effects. view more (2009-03-30)
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