Argument: Too few scientific reasons to colonize the Moon
"Brave blue world." Nature (Editorial). February 1, 2007: "It is commonplace to dismiss NASA's human spaceflight efforts as a waste of money and expertise. For a country with an alarming budget deficit to devote tens of billions of dollars to a project with so little prospect of palpable returns is hard to justify. Certainly, science does not come close to offering a justification."