When I committed to completing my first half marathon this year, I didn’t think the run/walk method would have anything to do with my race-day strategy. If anything, I thought I would use the method ...

This article is part of the special series of Inaugural Articles by members of the National Academy of Sciences elected in 2018. Edited by David L. Kohlstedt, University of Minnesota, Minneapolis, MN, ...

Time-of-flight (TOF) PET uses very fast detectors to improve localization of events along coincidence lines-of-response. This information is then utilized to improve the tomographic reconstruction.