Astronauts living on the International Space Station soon will take recycling to new extremes: They'll get some of their drinking water from the toilet.NASA has spent decades perfecting a system to transform urine into water that can be used in space for drinking, food preparation and washing. Agency officials say the water from the system will be cleaner than U.S. tap water. The new $250 million machine was being unpacked Wednesday at the space shuttle's Florida launch site. Shuttle Endeavour... Full Story
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