On this week's show, Dr Shane, Dr Lauren and Dr Catherine discuss how precious metals move under the surface of the earth, the perception of colours, light (and dresses), preventing peanut allergies and... how to transplant a human head.

Guests include Jacqui Young from the Mount Rothwell Biodiversity Interpretation Centre, discussing the preservation of threatened species, Thomas McCoy from the School of Chemistry at Monash University, discussing water purification using graphene and Vera Ignjatovic from the Haematology Research Team within the Melbourne Children's Campus, discussing blood clots in children (and how they differ from those in adults).

rrr.org.au/program/einstein-a-go-go/