88.9 FM broadcast antenna upgrades are underway and will affect the ability to tune into the station for the duration. Our programming continues, however, via our live stream at ketr.org, on TuneIn radio, via the NPR app, and at Apple Music.
David Kestenbaum is a correspondent for NPR, covering science, energy issues and, most recently, the global economy for NPR's multimedia project Planet Money. David has been a science correspondent for NPR since 1999. He came to journalism the usual way — by getting a Ph.D. in physics first.