1.   Developed by Adriana Rovers at Cornell University, for use in a space colony.

2.   He presumed he would need all that money to build rockets and space colonies.

3.   NASA and the University of Wisconsin, Madison, created the technology with the goal of feeding astronauts on long space voyages and eventually feeding future space colonies.

4.   Space colonies.

5.   The entire town looks something like a space colony on a planet where it never stops raining.

6.   Using rocks, roots, microbes and concepts first pegged for use in space colonies, effluent is used to feed and water trees and flowers.

7.   And sparing in their use of any ingredients difficult to produce in a space colony.

8.   He believes a space colony on the moon or Mars is not that far out.

9.   Packham said the experiment was a small but important step toward the ultimate goal of establishing space colonies.

10.   The food also had to be low in salt -- because sodium from recycled urine in a space colony would be bad for crops.