How to survive an extraterrestrial journey
ETH researcher Grace Crain thinks on a galactic scale. She is hoping to develop an ecosystem that could provide food, drinking water and clean air to astronauts on a space station or to the inhabitants of a Moon or Mars base. She explains why she chooses to use human urine and faeces to fertilise her plants.
http://www.plantnutrition.ethz.ch/
Produced by This Wachter's Audio Story Lab and Jennifer Khakshouri. Music, Sound Design and Mastering by Luki Fretz.