For Dear Science this week, Dr Cushla McGoverin chatted about a weird use for barnacles, sleep improving vaccination effectiveness, and collagen in the human body. 

Wire host Castor spoke to National’s James Meager about the mortgage tax deductions policy and increases to the fuel excise tax. 

He also spoke to Bike Auckland’s chair Karen Hormann about the organisation and National’s new transport policy. 

Producer Sofia spoke to Group Manager for Conservation Advocacy at Forest & Bird, Richard Capie, about the government’s proposed Fast Track Approvals Bill.

She also spoke to Public Service Association Delegate and Mental Health Support Worker, Christie Cox, about an open letter from  care and support workers to Te Whatu Ora on International Women’s Day last week.