It's the stuff that makes up the cosmos, hit Kansas songs, and, according to Genesis, us. German documentarian Hartmut Bitomsky talks to cleaning ladies, biologists, astronomers, and others as he examines the unexpectedly fascinating world of dust, from household detritus and Sahara sandstorms to the effects of the Oklahoma Dust Bowl and the "toxic dust" at the World Trade Center site. 90 min. Soundtrack: German; Subtitles: English. In German with English subtitles.