Cosmogenic nuclide surface exposure dating of boulders on last-glacial and late-glacial moraines, Lago Buenos Aires, Argentina: Interpretive strategies and paleoclimate implications D.C. Douglass , B.S. Singer, M.R. Kaplan, D.M. Mickelson, M.W. Caffee Department of Geology and Geophysics, University of Wisconsin-Madison, 1215 W. Dayton St., Madison, WI 53706, USA School of GeoSciences, Universi...

The International Association for Radiation Research established in 1985 the Henry S. Kaplan Distinguished Scientist Award. The award, which is presented every four years at the International Congress of Radiation Research, consists of a medal, a certificate and a cash prize. A plenary session is designated for the award ceremony, including a lecture by the awardee. Previous recipients of this ...

The need for analyzing time to event data arises in a number of applied fields, such as epidemiology, public health and medicine [1]. ‘Time to event’ simply means the time from entry into a study until a subject has a particular outcome. The study that involves time to event can be a cohort study on a specific number of patients or participants which should be followed for a particular time per...

The Kaplan-Meier (KM) method is used to analyze ‘time-toevent’ data. The outcome in KM analysis often includes allcause mortality, but could also include other outcomes such as the occurrence of a cardiovascular event. The purpose of this article is to explain the basic concepts of the KM method, to provide some guidance regarding the presentation of the KM results and to discuss some important...