http://www.washingtonpost.com/wp-dyn/content/article/2009/03/28/AR2009032801752.html

Discovery brought back four to five liters of recycled water that had been the astronauts' urine and sweat. The water was produced after Discovery delivered a new processor that fixed the recycling machine.
NASA hopes to have the water samples tested within a month. If the toxicology results are good, the three space station residents will start drinking the recycled water.

y a des fans de frank herbert a la nasa? ^^