In the News
Researchers Image Molecular Motor Structural Changes
An international team of researchers has shed new light on how tiny molecular motors that transport materials within cells generate the energy that powers their movements. Children Flying Solo
Information about "unaccompanied minors,"children between 5 and 12 who travel on airplanes without a parent or guardian. Includes information about forms, airlines services, escort fees for major domestic airlines, general age guidelines, and safety tips. From a Web site for travelers who enjoy the fun of planning their own trips. Radiohead, The Verve, Other Bands Seek Piece of Ticket Scalpers' Actio
Thriving online markets make it easier than ever for ticket resellers to squeeze premium pricing out of eager would-be concert-goers. Now bands and their managers want a cut. Mayo Clinic Cancer Center Finds Possible Genetic Link To Pancreatic Ca
Mayo Clinic researchers have found the risk of developing pancreatic cancer at a young age (under 60) to be twice as high for people who carry a mutation of the gene that causes cystic fibrosis, compared to noncarriers. Results of a pilot and follow-up study were reported Oct. 14, 2005, online in the journal Gut. New DNA-based Technique For Assembly Of Nano- And Micro-sized Particle
Scientists have developed a new method for controlling the self-assembly of nanometer and micrometer-sized particles. The method, based on designed DNA shells that coat a particle's surface, can be used to manipulate the structure -- and therefore the properties and potential uses -- of numerous materials that may be of interest to industry. Researchers Predict A New State Of Matter In Semiconductors
Conventional matter exists in three familiar forms-solid, liquid and gas. But under special circumstances, quantum theory predicts exotic states of matter, such as superconductors in which electrons flow with no resistance and Bose-Einstein condensates in which atoms move as a collective whole. Now, in the December 15 issue of the journal Science, three Stanford physicists theorize a new state of matter that may pave the way for electronic devices that dissipate less energy and generate less heat. Study Provides New Insights Into Brain Organization
Scientists have provided new insights into how and why the brain is organized -- knowledge which could eventually inform diagnosis of and treatments for conditions like Alzheimer's disease and autism. The team, at Newcastle University and the International University Bremen, Germany, debunked a prevailing theory that the nervous system should have mainly very short nerve fiber connections between nerve cells, or neurons, to function at its most effective. Genomic Analysis Uncovers New Targets For HIV Vaccine
Researchers have identified three gene variants in the DNA of 486 people infected with HIV that appear to have helped some of the patients fight off the virus and delay the onset of full-blown AIDS. AIDS Interferes With Stem Cells In The Brain
Scientists have discovered how HIV/AIDS disrupts the normal replication of stem cells in the adult brain, preventing new nerve cells from forming. Researchers uncovered a novel molecular mechanism that inhibits stem cell proliferation and that could possibly be triggered in other neurodegenerative diseases. This discovery links mechanism for HIV/AIDS dementia, possibly other neurological disorders, with known cancer 'checkpoint'pathway. Type 2 Diabetes May Begin With Grandma's Diet
An innovative study published online in The Journal of Physiology in Press provides the first evidence that the insulin resistance typical of type 2 diabetes can be "programmed"across two generations by poor nutrition during a grandmother's pregnancy and lactation.
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