Dr Karl crunches into the crispy, salty, science packed world of chips, proving there's more to one of the nation's favourite ...

How do they make cheese, toilet paper, chocolate and lollies? Dr Karl Kruszelnicki lifts the lid on how these products are made, stepping behind factory lines to uncover the intricate workings of some ...

Dr Karl Kruszelnicki: In just a ten minute journey, the fresh milk will be at the factory, ready to be pasteurised. Text on screen: Pasteurising kills harmful bacteria in the raw milk by heating it to ...