
Chapter 1
The glass bubble that ran out of breath
Chapter 2
Ancient secrets of the three sisters
Chapter 3
The town of forty-five trash bins
Chapter 4
Surviving on cosmic drops
YOUR GOAL
Master of The survival guide for a self-sustaining planet
Ch 4 · Surviving on cosmic drops

007skaty Bioreactors, bacteria, and algae link together to recycle waste into oxygen, clean water, and food for animal habitats.

BETA
007skaty Catch falling star drops to learn how water cycles keep a planet self-sustaining.
Fun Fact
Space water: Before the Brine Processor was added, the ISS water recycling rate was capped at around 93% to 94%.
Quiz
What is the name of the life-support system on the International Space Station that recycles air and water?
Quiz
How do astronauts on the International Space Station clean themselves since there are no traditional showers?
Quiz
Besides urine, what other sources of moisture does the ISS ECLSS system collect to recycle into drinking water?
Quiz
What is the name of the European Space Agency's closed-loop ecosystem project being tested in Barcelona, Spain?
Quiz
In June 2023, NASA announced that the International Space Station achieved what record-breaking water recovery rate?
Quiz
Which specific piece of hardware allowed the ISS to extract extra water from concentrated urine brine?
Quiz
What organism is primarily used in the MELiSSA project's bioreactors to generate oxygen and recycle carbon dioxide?

