Nights

Peggy Revell reports from Medicine hat in Alberta, Canada. Tonight she looks at the mass killing in Toronto; the horrific crash on April 6, where a bus filled with young hockey players on their way to a play-off game collided with a semi-trailer at a rural intersection in Saskatchewan; and Canada is just months away from cannabis being fully legal for recreational use.

Economist Brian Easton joins us in the studio. How will NZ's economy cope with the offshore oil and gas exploration ban and the transition to cleaner fuel? Is the coalition government right to stick to their own fiscal restraints?

Peter Lampp is back - this week he has the alarming drop in sports participation in his sights.

Methodist lay-preacher John Thornley joins us once again to explore the spiritual side of songs. In this episode he explores Rules of Engagement by Ria Hall and Che Fu.

Over 180 young people and their supporters from around New Zealand are heading to Nelson this weekend for the St John National Youth Festival and Competitions. Among them is Cascade Price - national St John cadet of the year - who joins us to tell us all about it

Body movements, usually to music - with Chris Jannides, Toi Whakaari movement tutor and founding dancer, choreographer and artistic director of Limbs Dance Company.

Our investigation of weeds this autumn continues with Julia Sich telling us which weeds you can have with your dinner.

Prof. Shaun Hendy director of Te Punaha Matatini at the University of Auckland joins us again - tonight he's looking at how the thermal radiation absorbed by CO2 and other greenhouse gases gets transferred to the rest of the atmosphere?

Dana Johansen joins us from around the corner from Eden Park. In her sights this week are the Commonwealth Games, the Silver Ferns and the Black Sticks.

New Zealanders started hearing things in new ways when new audio technologies arrived from overseas in the late 19th century. From the first public demonstration of a phonograph in a Blenheim hall in 1879, people were exposed to a succession of machines that captured, stored and transmitted sounds through radio, cinema and recordings.