Dr Shane, Dr Krystal, Dr Ray discuss ionic wind propulsion to fly an aeroplane, could an anti-global warming atmospheric spraying program really work and how wombat faeces form into a cubic shape.

Guests, Professor Len Harrison, Senior Principal Research Fellow at the National Health and Medical Research Council, and Dr Sharon Huebner, Research Fellow at the University of Melbourne's Indigenous Health Equity Unit tell us all about their work on the indigenous microbiome project.

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