This week on the Tuesday Wire...

For Dear Science this week, we chat with our expert, Dr Cushla McGoverin, about the Gut microbiome and radiation, the resilience of native forest, and multitasking.

For our weekly catchup with the National Party, host Alex speaks with MP Ryan Hamilton about the OCR rate changing, the Ocean of Peace Alliance, and changes to Roads of National Significance.

For Green World this week, producer Liam with Greenpeace Aotearoa's Senior Campaigner Gen Toop about their upcoming March for Nature, which will be held in Auckland on September 19, as well as reflections on the government's policies towards nature and the environment. 

And Liam also talked to Associate Professor Van Jackson from Victoria University of Wellington, about how war profiteering and insider trading has played out in the US-Iran war and other international conflicts, who is benefiting from the current climate of war, and how New Zealand is involved in this system.