Analyzing and interpreting the present is unquestionably more difficult and hazardous than moralizing about the past, but as Mr. Ross points out, it is only "living tendencies that man can work with, curb or guide." In the present-day tendencies in America, Mr. Ross sees the future triumph of democracy. He believes that the swarming in of low-grade immigrants and the mal-distribution of wealth ...

This is an exploratory document for a new research line in logical semantics which is emerging from several current developments in computer science. Standard logic employs ''at' unstructured sets of statements for its theories and unstructured classes of models for its semantic universes. Nowadays, however, there is an incipient literature on structured universes of models as well as structure...

The announcement this spring followed months of speculation: Kim Nasmyth will assume the Whitley Chair of Biochemistry at the University of Oxford at the start of 2006, taking over from Ed Southern. Nasmyth is presently Director of the Institute of Molecular Pathology (IMP) in Vienna and is well known for his work on the yeast cell cycle and chromosome segregation (for more details see Curr. Bi...