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 moreAudio
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 moreAudio, Gallery