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The importance of space toilets, explained

This photo illustration includes one version of NASA's "space toilet," the Universal Waste Management System (UWMS). | Paige Vickers/Vox; Photo by James Blair/NASA The Artemis II space mission is making history. Farthest humans have ever traveled in space? Check. First Black, woman, and Canadian astronauts to make it around the moon? Also check. First time a toilet has made this journey? Big, important check. Because while there are many significant questions about space — Is life out there? Could we settle Mars? How far does the universe stretch, really? — one question holds ple...