Word: stems
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...course, the more basic question is, How much do masks really help to stem the spread of disease? It's unclear, according to the CDC, which isn't recommending that people wear masks amid the current H1N1 outbreak. The CDC website says that "very little is known about the benefits" of wearing masks during a pandemic, and that the best preventive steps are frequent hand-washing and covering one's mouth when coughing or sneezing. Along with these strategies, the most effective techniques for preventing contagion are so-called social-distancing measures, such as closing schools, churches, theaters and other...
...This isn't the first time Obama has received decidedly mixed reviews from Catholics. A few months ago, he issued an Executive Order lifting restrictions on federal funding for stem-cell research. The move was immediately denounced by the USCCB as "morally wrong," and even moderate Catholics complained about the way the decision was handled. But the Vatican had a different reaction. L'Osservatore Romano, the official newspaper published under the authority of the Vatican's Secretariat of State, ran an article in late April essentially urging the bishops to chill...
...economy and international relations. "On ethical questions, too - which from the time of the electoral campaign have been the subject of strong worries by the Catholic bishops - Obama does not seem to have confirmed the radical innovations that he had discussed," said the article, which noted that Obama's stem-cell guidelines were "less permissive" than expected...
...will begin installing the first small, 50 mile segment of a "virtual fence" on the dividing line with Mexico. By 2014 most of the border will be home to sensor-equipped towers that are linked to a central communications network. But while proponents argue that the system will help stem the flow of illegal immigrants, drugs and arms coming over the border, most experts admit it will do little to guard against people making their way under...
...average citizens alike. The government has pledged open investigations into the deaths, but critics question its will to change the infamously opaque system. Beijing has launched a training program to improve the conditions of the country's jails, but legal experts argue that deeper reforms are needed to stem the violence...