Word: problem
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...system of miniature sensors that react to physical activity and automatically increase or decrease the heart rate and blood pressure. The prosthesis also uses new composite bio-tech materials, which are made from animal tissue and chemically treated to eliminate the risk of blood clots, Carpentier says, a problem that has plagued earlier alternatives. (See TIME's A-Z Health Guide...
...begin human trials. Among the issues that still need to be worked out: battery life. One charge, for example, runs anywhere from five to 16 hours. Though that's significantly better than older rivals, which last just 30 minutes if disconnected from a power source, it poses the problem of frequent recharging - and methods of doing so without increasing the risk of infection. "It's obvious that a major restriction of any artificial heart is recharging the battery in it," says Carpentier, who says major advances in battery capacity are on the way. "But these prosthetic hearts are designed...
...Afghan president Hamid Karzai so duly noted, this will probably take a long time. But the Obama presidency represents a milestone, and the movement has begun. Many who are quick to congratulate the United States upon the confrontation of its racist past are not likely to admit the same problem exists at home. Over time, however, the election will serve as an example in countries where racism and other modes of oppression are seemingly recalcitrant...
...Stewart and Colbert’s predicament is emblematic of a much larger problem facing the American Left. For years, we have been content to throw spitballs—now we have to teach the class...
...While it is true that loose regulation has made pornographic magazines and pirated DVDs easily available to minors in Indonesia, advocates for the rights of religious and ethnic minorities say the problem will not be righted by the new legislation. They point to existing provisions in the criminal law as sufficient to deal with the problem, and complain that the new law poses a threat to non-Muslim Indonesians. "The law imposes the will of the majority that embrace Islam, is a form of religious discrimination and against the spirit of tolerance taught by the country's founders," says Theophilus...