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50 Which was the first novel set in universes where P=NP? Jan 13 '11
27 How fast should mutations be for hard science fiction? Jan 16 '11
25 Reading Order for Heinlein's “World as Myth” Books Mar 25 '11
20 Could the terraforming techniques from Red/Blue/Green Mars work on any other planets in our solar system? Jan 24 '11
20 Can She-Hulk's hair be cut? Sep 6 '11