Dr Karl crunches into the crispy, salty, science packed world of chips, proving there's more to one of the nation's favourite treats than meets the mouth. Dr Karl unravels how leather, laces, and over ...

The battle for bog roll during the Covid 19 years showed us just how much we Aussies value the stuff. In this episode Dr Karl lifts the lid to discover how recycled toilet paper is made at the Encore ...