However, not every Mac user has the disk space or desire to run a Windows partition.

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For a time, I was committed to science and math excellence, because of my desire to travel to space.

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We've undertaken space travel because the desire to explore and understand is part of our character.

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But Iranian officials have been public about their desire to put a human into space before the end of the decade.

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Writing in Reason magazine, Gregory Benford correlated public interest in space exploration with a natural desire for vicarious adventure.

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"Our technology has not caught up with our desire to clean up our mess" in space, Schonberg said.

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The desire is also substantiated by real estate prices for urban residential space, which are 40 to 200 percent higher than in traditional suburban neighborhoods -- this price variation can be found both in cities and small communities equipped with walkable infrastructure, he said.

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And we have pursued a policy that we believe there is time and space at this point to allow -- to have an effect, to have the result that we desire.

WHITEHOUSE: Press Briefing