The Challenges of Implementing a Safety Culture.

This article provides an update on patient safety data recently reviewed by and recommendations of the President's Council of Advisors on Science and Tech - nology. This article attempts to capture the impact of the eroding ability of the nursing workforce to perform its traditional role of blocking errors before they harm patients. Some strategies, tactics, and practice examples to assist in renewing this protective capacity in today's challenging environment are presented.

The Accomplishments and Legacy of Saul Hertz, MD.

The early history of the use of radioactive iodine (RAI) is complicated and interesting, and also difficult to discover, especially since several histories have presented inaccurate content. This article is a comprehensive review of the accomplishments of Saul Hertz. Extensive use of primary-source verification has clarified several issues, including the question of whether Hertz alone conceived and asked the pivotal question: "Could iodine be made radioactive artificially?"; on what date RAI was first used to treat hyperthyroidism; and why 2 articles on the first use of RAI for treatment of hyperthyroidism, from 2 different sets of authors from the same department of the same institution, appeared adjacent to each other in the same issue of the in 1946.