Our Changing World for Thursday 26 May 2016

9:50 PM.Last week, NASA finally successfully launched a super pressure balloon from Wanaka Airport, following several attempts that had been thwarted by foul weather. Read more Video, Audio

9:45 PM.Veronika Meduna joins BRANZ physicist Manfred Plagmann as he equips a home with sensors that track how heat and moisture move through the rooms. Read more Audio

9:36 PM.Craig Rodger explains how large solar storms can overwhelm the protective shield of the earth's magnetic field and disrupt national power grids. Read more Video, Audio

9:20 PM.University of Waikato professor of environmental planning Iain White argues that our 'same again' response to flooding is hindering our ability to plan more effectively. Read more Audio

9:06 PM.Why are some male birds brighter and showier than females of the same species, and sometimes both are bright? Sexual selection, size and living in the tropics are all part of the answer. Read more Audio