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Closed-loop life support for deep space.

You cannot pack three years of air, water, and food for a crewed mission to the outer system. Survival beyond low Earth orbit depends on recycling almost everything, the science of bioregenerative, closed-loop life support.

Algae photobioreactor tubes glowing inside a spacecraft life-support module
The Three Loops

Nothing leaves the system.

01Air

Oxygen regeneration

Algae and electrolysis turn exhaled CO₂ and waste water back into breathable oxygen, so the crew is not dependent on finite stored gas tanks.

02Water

Total water recovery

Humidity, hygiene water, and urine are filtered and distilled back to potable quality. On long transits, every drop has to be recovered, not resupplied.

03Waste

Biomass to resources

Microbes and crops convert organic waste into nutrients, growing media, and even food, closing the carbon and nitrogen cycles inside the spacecraft.

Why It Matters

Recycling is the difference between visiting and staying.

Resupply works in low Earth orbit because a cargo ship is days away. Beyond the Moon, that lifeline disappears. A mission to Mars or the asteroid belt must carry a miniature, self-balancing biosphere, one that turns waste back into the air, water, and food the crew needs to keep going.

The same closed-loop thinking pays off on Earth. Bioregenerative systems developed for spaceflight inform water recycling, controlled-environment agriculture, and carbon capture, technology built for the void that returns value to the planet.

Explural's bio-research programs engineer these loops, algae, microbes, and crops that recycle air, water, and waste, so that life can travel as far as our spacecraft can.