Astronaut Urine Will Be a Valuable Resource on the Moon Since the cost of shipping resources to the moon remains prohibitively high, planning for long stints—or even habitation—requires savvy, as the rugged surface (aka regolith) restricts growth. Earlier this year, researchers found that, when mixed with moon dirt, astronaut urine could be a remarkably useful building material. When urea, “the second-most common compound in human …
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