Provides an introduction to the field of molecular evolution. Changes in genetic material and proteins help to time the stages of species evolution. (BB)

Techniques in geochemistry continue to improve in sensitivity and scope. The exciting areas of geochemistry still include the classical fields of the origin of the elements and objects in space, but environmental crisis problems are important as well. (Author/BB)

Reviews research in carbonate geology focusing on both sedimentology and diagenesis of shallow and deep water carbonates. (MA)