Scientists have been working on a way to turn poop into an edible which, even if it winds up tasting like French fries, will never let you entirely forget about the fact that you're eating poop.
According to Penn State News, researchers at the university's College of Earth and Mineral Sciences have been puttering about their lab, looking for a way to turn human waste into a viable food source for astronauts on deep space missions.
As most people don't want to play with their own brand, the researchers turned to an artificial human waste analog, commonly used for testing purposes in waste treatment plants. The waste was placed inside of a closed cylinder and treated with microbes. These microbes broke down their faux-feces through a process called anaerobic digestion. This breakdown of the waste results in a discharge of methane, which can be used to produce a microbe called Methylococcus capsulatus. Methylococcus capsulatus is currently used in animal feed, and since humans are animals, BOOM: astronaut food. By growing the microbes at a temperature that kills harmful bacteria, the research team was able to produce a bio mass consisting of 61% protein and 7% animal fats.
According to Penn State professor of Geosciences, Christopher House, the resulting foodstuff would have the consistency of Vegemite or Marmite.
With this being the case, there could be a large contingent of future astronauts that would prefer to eat their own crap, instead.
Photo via Flikr, courtesy of Dave Young
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