Did you know astronauts drink their own urine? Now, thanks to a new technique, scientists have managed to put in one more use to their excrement. They can now use urine to keep both their bodies and spaceships running!

NASA uses a treatment process called forward osmosis. It can also be used in any wastewater treatment systems containing urea and/or ammonia. You can check it out in the video below. [EurekAlert via Red Orbit]