For Dear Science this week Dr Cushla McGoverin chats about new developments with 3D printing and the human brain, coral reef biodiversity, and Scorpions.

MP James Meager is taking over from Dr Shane Reti for our weekly catch-up with the National Party. This week News and Editorial Director Jessica Hopkins spoke to Meager about the government scrapping the Auckland Regional Fuel Tax and funding for pre-sentencing cultural reports.

She also spoke to Action Against Poverty Coordinator Brooke Pao Stanely about cultural reports.

Producer Sofia spoke to head farmer at OMG farm Jake Clarke about the impact of western farming practices on soil fertility.

And she talked to Senior transport planner at Arup, a collective of engineers and consultants, Tiffany Robinson, about urban design and indigenous wisdom.