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In preparing the public for a disaster, officials want to make the right call, but they also want to avoid blame.
Win McNamee/Getty Images
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"Can something be called chicken or pork if it was born in a flask and produced in a vat?" asks Michael Spector. "Questions like that have rarely been asked and have never been answered."
iStockphoto.com
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The International Space Station and the docked space shuttle Endeavour, flying at an altitude of approximately 220 miles, on May 23, 2011.
Paolo Nespoli/NASA
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Steve Jobs holds up an iPhone at the Apple Worldwide Developers Conference in San Francisco in June 2010. Jobs resigned as Apple's CEO on Wednesday.
Paul Sakuma/AP
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The New Madrid earthquakes broke up rock like this section of rock face, which was later filled with sand. This photo, from Mississippi County, Mo., was taken in 1904.
M.L. Fuller (Image 336)/USGS
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