The scientific method. Chemists have a set of mental reflexes that are the scientific method, but it is occasionally good to articulate what the ideal scientific reflexes involve. A Letter to the Editor Artifact formation of methylmercury in sediments. Widespread interest in gene quantitation and high-throughput assays are putting quantitative methods for the polymerase chain reaction back in the spotlight. 197 A Product review Electrospray in flight.
Orthogonal acceleration brings the advantages of time of flight to electrospray.
Ray Dessy looks at how education and training courses can be carried over the Internet. 212 A Books and Software Welcome to biosensors. Analytical Chemistry textbook is reviewed by Thomas J. Wenzel of Bates College. GC practical advice. Basic Gas Chromatography is reviewed by Mary A. Kaiser of DuPont.