Maybe he had his game face on for the tournament, or maybe he was merely in a natural resting period between exhaustive television and restaurant work.

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One by one, over a period of many years, the other natural resource companies slipped off the list.

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The board however is concerned that over a period of a year or two the natural tendency of all bureaucracies, not just NASA, to morph and migrate away from that diligent attitude is a great concern to the board, because the history of NASA indicates they have done it before.

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In fact the present warm period may well be at the top of a natural millennial cycle as previously occurred during Roman and Medieval times.

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In 2003 Hansen wrote a widely distributed (but not peer reviewed) paper called Can We Defuse the Global Warming Time Bomb? in which he argues that human-caused forcings on the climate are now greater than the natural ones, and that this, over a long time period, can cause large climate changes.

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We were expecting the phone to require some sort of adjustment period at first, but we found the DNA to be a completely natural fit in the palm of our hand -- and it feels great.

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Second, nuclear reactors can only be run above maximum capacity for a short period before they begin experiencing complications, so each region maintains backup facilities to burn fuel oil or natural gas at peak periods or for when the nuclear reactors are offline.

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