The food you see on the supermarket shelves doesn't end up there by accident. It's often been rigorously tested for likeability. This week on Our Changing World, Liz Garton finds out about the science behind those decisions, given that individual taste can be very varied.
Sign up to the Our Changing World monthly newsletter for episode backstories, science analysis and more.
Learn more:
Guests:
Go to this episode on rnz.co.nz for more details