Our Changing World for Thursday 17 March 2016

9:45 PM.University of Otago geneticists Peter Dearden and Neil Gemmell continue their discussion of the gene editing tool CRISPR and its use in genomics, conservation and de-extinction. Read more Audio

9:34 PM.Optogenetics uses light to target individual cells, and Peter Freestone is using it to better understand Parkinson's disease and the role of endocannabinoids in how brain cells communicate. Read more Audio

9:20 PM.A team of Australian and New Zealand fossil hunters on a National Geographic expedition spent weeks scouring sites in Marlborough and on the Chatham Islands for remnants of prehistoric polar forests.

9:06 PM.Introduced koi carp are a nuisance in lakes and rivers in the Waikato, and the CarpN Neutral project catches them and turns their bodies into fertiliser for use in native revegetation programmes. Read more Audio, Gallery