“…As a result of both superior spatial resolution and the ability to examine lighter elements, soft X-ray microscopy has been utilized in studies of biological specimens and tissues to a far greater extent than hard X-ray microprobes and the applications have expanded dramatically over the past five years. ,,,,,,,,,,,,− ,− It is not possible to review the voluminous literature in detail herein. Rather, we will select a range of examples that illustrate the versatility and power of soft X-ray microscopy and spectromicroscopy as a tool for examining biological specimens, tissues, and molecules.…”