In the News
US Government Delays Nanotechnology Safety Measures, Report States
Want to buy a bag of carbon nanotubes -- in quantities from a few grams to hundreds of kilograms (100 kilograms = approximately 220 pounds)? With a credit card and Internet access, you can. But is the U.S. government doing enough to ensure the safety of these materials and the hundreds of other nanotechnology commercial and consumer products currently on the market? Bone Structure 'Vastly Different'Than Previously Believed
Researchers have discovered that the structure of human bones is vastly different than previously believed. The characteristic toughness and stiffness of bone is predominantly due to the presence of specialized sugars, not proteins. Their findings could have sweeping impacts on treatments for osteoporosis and other bone disorders. One of the scientists notes that this may strengthen the rational for using glucosamine or chondroitin. ... LII: This Week's Batch, January 20, 2005
This week we bring you profiles of Condoleeza Rice and Vietnamese Buddhist monk Thich Nhat Hanh, an assessment of tsunami damage and guidance for journalists covering disasters, Black history sites and native American enterprises, mangroves and songbirds, and more. In More New This Week, In More New This Week , read up on wood, tularemia, artist Dan Flavin, San Francisco history, rock art in northern England, and other can't-miss sites. Bon appetit from the LII team: librarian-editors Karen, Wendy, Jennifer, Maria, Pat, Tom, and Charlotte, and our 100-and-change contributors. Psychotherapy Useful In Treating Post-traumatic Stress Disorder In Ear
When treated within a month, survivors of a psychologically traumatic event improved significantly with psychotherapy, according to a new study. The researcher says his results indicate that it is best for survivors to be treated as early as possible. Apple Adds Color to IPod Shuffle
The MP3 players get a splash of color -- and better earbuds. In Listening Post. Clinical Guidelines Help Identify Which Children At Risk Of Bacterial
A set of guidelines have been developed that can help predict the risk of bacterial meningitis for children with cerebrospinal fluid pleocytosis (presence of greater number of white blood cells than normal), reducing unnecessary hospitalizations and antibiotics, according to a study in the Jan. 3 issue of JAMA. Election 2004 Results
"Using County-by-County election return data ... we produced the following graphic [map] depicting the results. Of course, blue is for the democrats, red is for the republicans, and green is for all other. Each county's color is a mix of these three color components in proportion to the results for that county."Thus, this map shows returns for the 2004 presidential election in shades of purple. From a professor at Princeton University. Mercury and Vaccines (Thimerosal)
"Thimerosal is a mercury-containing preservative used in some vaccines ... since the 1930's."A 2005 book suggests that there is an "association between [mercury in] vaccines and autism."This site addresses questions raised in the book, information about CDC thimerosal research, and basic information about thimerosal. Also includes information about a 2004 Institute of Medicine (IOM) Report on vaccines and autism. From the Centers for Disease Control and Prevention (CDC) National Immunization Program (NIP). Carnegie Mellon University Chemists Adapt Casting Technique To Make Or
Carnegie Mellon University scientists have harnessed an experimental technology to produce polymer films with long-range-ordered nanostructure and easily convert them into highly ordered "nanocarbon arrays."Called zone casting, it could revolutionize industrial manufacturing of nanoelectronic components. The findings are in press with the Journal of the American Chemical Society. Zone casting could help produce data storage arrays with increased density and reliability, as well as materials for other nanoelectronic devices like field emission arrays. New Finding Bubbles To Surface, Challenging Old View
Chemical engineers have discovered a fundamental flaw in the conventional view of how liquids form bubbles that grow and turn into vapors, which takes place in everything from industrial processes to fizzing champagne.
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