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Following his three-day bus tour to promote his economic agenda -- and not to mention the debt limit rancor in Washington before that -- President Obama is finally getting some rest and relaxation. On Thursday, he and his family are heading off to Martha s Vineyard, the island off of Massachusetts. They ll be staying at a 28-acre retreat called Blue Heron Farm for about 10 days.Raw Video: Obama s Martha s Vinyard retreatThere has been criticism of the president s vacation at this time. But how does the number of vacation days the president has spent compare to his predecessors CBS Radio s Mark Knoller has kept track of presidential vacations for years and supplied the data. So far, President Obama has taken 61 vacation days after 31 months in office. At this point in their presidencies, George W. Bush had spent 180 days at his ranch where his staff often joined him for meetings. And Ronald Reagan had taken 112 vacation days at his ranch. Among recent presidents, Bill Clinton took the least time off -- 28 days.To be fair, a presidential vacation away from the White
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stanley website all for any emergency.Mark Knoller: When presidents go on vacation, controversy
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The behavior of lab rats is often used as a model for the behavior of humans. One test, the Open Field Test, is so simple and yet so like a horror movie, that it makes me wonder what real
stanley flask humans would do in the same situation. Lab rats are put through a lot of behavioral tests. This is not because we ;re passionately interested in rats, but because we think that their behavior serves to inform us of what a human would do under comparable circumstances. One test is simple and, it seems, useful. It called the Open Field Test. It is exactly what it sounds like. Rats are placed, usually from a carrying cage, into a large empty enclosure. Sometimes there a piece of food in the center of th
stanley canada e enclosure, but that about it for visual clues. The enclosure is marked out with a grid, and an overhead camera, or overhead observers, will record how many lines the rat crosses in its explorations over a certain span of minutes. They ;ll also record changes in direction, grooming behaviors, and signs of nervousness like freezing, visible sickness, or defecation. This test is, at its simplest, meant to show how anxious a mouse is when confronted with a new situation in which it has no cover, but also no apparent threat. How long does it take before the mouse starts exploring Does it rear up and look around What pattern does
stanley cup it use to explore And how does its behavior change over time The Open Field Test can be a good test for things like se
