- Ifyousufferfromtheseproblemsyoucanfilethemdownwithapumicestone.AccordingtoGerardKuiper,oftheUniversityofChicago,theescapeofgasesfromthemoon'smagmamayhavegiventhesatellitealight,porousconsistency,likethatofapumicestone.Chriswilloccasionallyrummagethr...
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