The principal competitor machine made by Life Technologies has temperature uniformity to within 0.5 degrees Celsius.

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Birds use temperature as a cue for many life-cycle decisions.

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So in the last year of their 17-year life cycle, when the soil temperature reaches about 64 degrees Fahrenheit, they crawl out of the ground by the billions.

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Along the top is a sort of status bar, showing the outdoor temperature, a simple representation of the battery life for the car, the name of the currently loaded driver profile, a signal strength indicator for the integrated 3G modem and a tiny clock.

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Battery life will be shorter than under normal temperature conditions.

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In a letter sent Wednesday to the company, the agency alleged that data submitted from the Ranbaxy plant contained falsified information -- including lies that safety tests were conducted, lies that drugs had been kept at room temperature when in fact they had been stored in refrigerators, and lies about the shelf life of some drugs.

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In an oxygen-free (anaerobic) environment at a certain temperature, pH and salinity, the bacteria can produce a toxin that in very small amounts can cause life-threatening paralysis.

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