8 Oct 2012

Our Changing World - Mysterious Pumice in the Kermadecs

From Jesse Mulligan, 1–4pm, 3:10 pm on 8 October 2012

Science writer Rebecca Priestley was on board MHNZS Canterbury a few weeks ago, en route to the Kermadec Islands, when the ship encountered a large floating mass of newly erupted pumice - the mystery was which underwater volcano did it come from?