Microbes may help astronauts transform human waste into food - Penn State researchers show that it is possible to rapidly break down solid and liquid waste to grow food with a series of microbial reactors, producing a biomass that is an edible ‘microbial goo’, similar to Vegemite.

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Microbes may help astronauts transform human waste into food - Penn State researchers show that it is possible to rapidly break down solid and liquid waste to grow food with a series of microbial reactors, producing a biomass that is an edible ‘microbial goo’, similar to Vegemite.