Our Changing World for Thursday 31 July 2014

9:47 PM.The fifth mystery sound from the 2014-15 Our Changing World opening theme Read more Audio

9:46 PM.The marine science day at the International Science Festival saw loads of young fans flocking to see a shark dissection and hear about great white shark research Read more Audio

9:34 PM.Using optical tweezers, University of Otago physicists are splitting tiny clouds of rubidium atoms and smashing them together Read more Audio

9:20 PM.Great Fermentations was an International Science festival event that combined fermented foods and matched beers with discussions about the science of food Read more Audio

9:06 PM.Liggins Institute paediatrician Paul Hofman discusses childhood obesity and how exercise during pregnancy could help break the obesity cycle Read more Audio