On Being Edit this Published in On Being [Unedited] David Montgomery with Krista Tippett Listen 1 h 18 min Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/355354/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend Krista Tippett interviewed geologist David R. Montgomery on July 3, 2013. This interview is included in the show 'Reading the Rocks.' Download the mp3 of the produced show at onbeing.org.