Food security and food technology are major Fourth Industrial Revolution buzzwords – and not just because we need to find new ways to sustain ourselves and the planet. There are brilliant ways technology and innovation are taking us forward – and Leah Bessa is at the forefront of these. She’s making insect ice-cream, and she swears it’s delicious. She chats to Gareth Cliff about her business Gourmet Grubb, and food science in the 21st Century.

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