Shuttle, astronauts prep for mid-mission reboost

(AP) -- Astronauts at the international space station prepared to work on a urine-recycling contraption and re-fire the space shuttle's thrusters Friday, before enjoying a half-day off to reboost their own energy.

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<p><a href="http://www.physorg.com/news146473661.html">Shuttle, astronauts prep for mid-mission reboost</a></p> <p>(AP) -- Astronauts at the international space station prepared to work on a urine-recycling contraption and re-fire the space shuttle's thrusters Friday, before enjoying a half-day off to reboost their own energy.</p>