At the Capitol Hill press conference yesterday, David Grusch was asked how many kinds of alleged non-human life the U.S. government knows about. His answer was unusual: he said he did not have the full “compendium,” meaning a complete catalog or reference list, and described a “continuum” ranging from “corporeal bipedal type life” to what the captions render as “sentient plasmoid life.” In plain English, he appears to be saying that the alleged phenomena should not be imagined as one neat spe...