Word: per
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Dates: during 2000-2009
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...children in the study wore accelerometers, which resemble pedometers but instead of tracking distance, they record the body's acceleration in a vertical plane - sitting results in a score of zero, and walking and running produce progressively higher scores. The researchers considered anything under a score of 50 per day as sedentary. They coupled this data with reports from the children's parents about how much time the kids spent in inactive pursuits, including watching television, sitting at a computer, playing video games, reading or doing other projects that don't require much movement...
...David Ludwig, director of the Optimal Weight for Life Program at Children's Hospital Boston, who was not part of the study. The American Academy of Pediatrics recommends that children under 2 should not watch any television and that older children limit their viewing to one to two hours per...
...dollars, the per capita income of the Lower East Side. The US per capita income...
...democracy. "We have a clear and focused goal," he said in a policy speech in March, "to disrupt, dismantle and defeat al-Qaeda in Pakistan and Afghanistan, and to prevent their return to either country in the future." That goal does not necessarily require the defeat of the Taliban per se - a goal that many analysts have long deemed unrealistic. Many key Taliban leaders have little truck with bin Laden's global vision, seeing their own jihad as entirely local in its scale and objectives. Even in 2001, many were unconvinced that their own fate should be tied...
...seals and robot chef that can whip up pancakes. But no matter how clever or cuddly, even in Japan commercial robots have a serious flaw: their price. Consumers balk at their heavy price tags, which typically run into the thousands. Sony's AIBO robotic dog, which cost $2,000 per pup, opened to much fanfare only to be cut in 2006, seven years after its introduction...