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spec: That invention impacted the practice of gastroenterology in the last 50 years arguably as much as any other single advance . They now believe that cancer cells may break away from the primary tumor in the breast and begin to metastasize even when the disease is in an early stage . Researchers contend that the world 's wealthiest counties consumer 86 % of the world 's goods and services , while the poorest 20 % , the majority of whom are women , consumer only 1.3 % . Therefore , cooler heads must prevail and calm and collected multilateral engagement free of pre-conditions must be pursued on both sides . " Because industrial diamonds , like their engagement ring counterparts , rank among the world 's hardest substances , manufacturers have for years mixed them with soft metals , epoxies , and organic resins to make polishing and grinding wheels . Yet NATO , the European Union , the G-8 and the Wassenaar Arrangement - whose memberships comprise many of the world 's wealthiest countries - have also added light weapons control to their agendas . Battelle focuses on product development , technology development , technology commercialization and laboratory management . The study supports the important role that residential 4-H programs such as State 4-H Congress may play in the development of life skills towards positive youth development . If you wish to save only part of this file , click on the file link and once the file is loaded to the screen , use your mouse to highlight the area of text you want and then select `` Edit '' from the browser menu and click on `` Copy '' . That study also appeared in the Proceedings of the National Academy of Sciences , one of the world 's most-cited multi-disciplinary scientific serials . `` It appears that when things go wrong , people may strongly wish for the safety and predictability that they often take for granted , '' said the authors . " After spending time touring the LAX decontamination units , I remain convinced that LAX is one of the world 's safest airports , " Hahn said . These issues go only to the question of which of two claimants should receive the patent , not whether the relevant molecule or process could be patented . This reflects the public benefit conveyed to all Americans by the world 's safest , most efficient national airspace system . Diagnostic testing is most valuable in this intermediate pretest probability category , because the test result has the largest potential effect on diagnostic outcome . Coogan 's judgment is unsparing : the British , the Ulster Protestant fanatics , the Catholic Church and , finally , the Irish people themselves all get their feet held to the fire for their roles in the Western world 's nastiest and longest-lasting family feud . But instead of tailoring a message to have the widest possible appeal , Edwards , a former US senator and his party 's vice presidential candidate in 2004 , has charted a bold course for the presidency : He wants to lead a moral crusade against persistent poverty and widening inequality in the world 's wealthiest nation . In the world 's wealthiest nations , members of the Organization of Economic Cooperation and Development , at least 34 million people are unemployed . Japan should set its goal at no less than becoming the world 's safest and most comfortable society . The survey is also distinguished by its wide-ranging questionnaire , which covers behaviors and outcomes in all of the areas potentially affected by devolving social policies : health ; employment and income ; family composition ; housing , social services , and child care ; public assistance receipt ; and child and adult well-being .