In the player you can listen to the interview with Shorena Tsindeliani. Follow the link for the full episode Are there water on Mars yet?  (Includes Swedish narration and interviews). In this episode we talk about water on Mars and how to clean water in space.
As early as the 18th century, astronomers observed ice on the poles of Mars, and with today's technology, more than five million cubic kilometers of ice have been discovered the planet. But whether there is liquid water on Mars, the scholars dispute. Andreas Johnsson is a researcher at the University of Gothenburg and he has been studying the geomorphology of Mars since 2006, and he tells more about Mars surface, water and stone, and about how he gets better by studying Svalbard understanding of Mars.