Nights

Professor Louis Schipper, from Waikato University's School of Earth Sciences is talking phosphorus.

Tonight Catherine Whitby from Massey University introduces us to the element copper and the reason for tonights sonic tonic dedicated to redheads

Sandra Sarala makes her debut as our new correspondent in Berlin - with her perspective on the European elections - cars - climate marches - and the future of Angela Merkel

Our cultural ambassador this evening introduces us to the fabulous female voices of Latin America.

High Society is live in the studio for a sofa session.

Just in time for a pre-budget yarn, Brian Easton joins us in the studio to look at what a 'wellness' budget might look like.

Zoe George is tonight's sportscaster.

This year, Japan entered a new era – now officially named the Reiwa Era – when Emperor Akihito relinquished the throne to his eldest son Naruhito. The Japanese monarchy's role may be symbolic, but it is not meaningless, says Dr Penelope Shino, Lecturer in Japanese at Massey University. She speaks to Bryan Crump about what the Reiwa Era means for Japan.

This weeks element of the week is the smoking gun in the "what killed the dinosaurs" debate. Irridium is enourmously dense (>22 times that of water), it has extreme resistance to chemical reaction, and its origin can be found in supernova explosions. .

With the latest update on the elections in India, our Indian correspondent, Shoba Narayan.is on the line from Bangalore.