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Increasingly, nanoengineers are working to develop medical devices, batteries, electrical switches and more made up of microscopic parts that float above one another on thin films of other materials. This increases efficiency, reduces friction and allows the hardware to be built to finer tolerances and tinier sizes. Design them small enough, and you can put them in microscopically tiny places machinery could never go before. "When you understand the forces you're manipulating," says Parsegian, "you can design efficiently at the nanometer scale...
...Mind at the University of California at Santa Barbara and an author of the Nature editorial. "Habits are not addictions, necessarily." Nonetheless, because addicts tend to rationalize their use and because stimulants can engender overconfidence, using drugs as enhancement can be problematic for the minority of users who may develop a true addiction...
...more people develop Type 2 diabetes in adulthood - diabetes has been diagnosed in 20% of American adults, and the vast majority have Type 2 - "more and more people are going to show significant cognitive problems," says Jacobson. "This whole area of research is going to be one of considerable importance in coming years." And studies like this one remind us that conditions like diabetes have wide-ranging effects throughout the body - and that we have only begun to pick apart some of these network connections...
...systems into the federal system in exchange for an equity investment that - as journalist Thomas Friedman has suggested - requires the hybridization of their entire fleet [Dec. 15]. The federal system includes several large health-care units. Why not take Detroit's health-care needs off the automakers' hands and develop a single-payer system before rolling it out on a national scale? Not having to worry about the medical needs of personnel would make Detroit automakers better able to compete with other companies. Matthew Ernst, Ocean Isle Beach...
...Force Lt. Col. Almarah Belk, a spokeswoman at the Secretary of Defense's office. The $556 million, five-year training program is part of a broader, $2.3 billion FEMA project to have civilian authorities in states such as Massachusetts, South Carolina and Washington work with the military to develop response plans to a range of potential disasters, from a hurricane and earthquake to a terrorist attack and a pandemic...