This is the first article of a two-part series on how research can help reduce the hazards of earthquakes. It deals with attempts to predict quakes so that people can get out of the way. (Author/HM)

The Big Bang Theory and alternatives to the Big Bang Theory as an explanation for the origin of the universe are discussed. The importance of the discovery of redshift, the percentage of hydrogen found in old stars, and the existence of a uniform sea of radiation are explained. (KR)

Reviews research done on the nature of vision from a neurologic perspective. Proposes a multiplex filter model to explain patterns in the signals transmitted to the brain from the retina. Describes experiments done to test the model. (CW)