Supermarket Secrets

Gregg Wallace discovers the high-tech acoustic kit being used to get an edge in the battle to bring us a perfect avocado. A look at what's going on in the new battlefield of luxury products on a budget, and Babita Sharma uncovers what we can learn from supermarket data gatherers.

Gregg Wallace and Babita Sharma lift the lid on the science behind the supermarkets. Gregg discovers the exotic ingredient being used to produce a healthier burger.

Gregg Wallace and Babita Sharma lift the lid on the science behind the supermarkets. Gregg finds out how supermarkets decide where to open convenience stores.