Sliced Bread

What will the food of the future look like? Greg Foot finds out.
Greg Foot, host of BBC Radio 4’s Sliced Bread, returns with Dough — the series exploring the rise of future wonder products that could transform the way we live.
Each episode examines the emerging technologies and innovations poised to shape tomorrow’s world. Greg speaks with experts and entrepreneurs to uncover the trends influencing how today’s everyday essentials might evolve, before a leading futurist offers their predictions for life five, ten and fifty years from now.
This episode explores how our food choices could change as the climate becomes hotter and more volatile. Are we heading towards a menu built around ancient grains, 3D‑printed dishes and AI‑tailored nutrition plans? And where does lab‑grown meat sit — both in terms of public appetite and the rules needed to get it on our plates?
Alongside Greg, tucking in to a taste of the future, is futurist Tom Cheesewright, joined by expert guests including:
- Karina Zimerfeld, the Global Vice President of Research & Development at Mars Food & Nutrition
- Charles Banks, Partner & Managing Director of global trends agency The Food People
- Owen Ensor, Chief Executive of Meatly
This episode was produced by Linda Walker
Dough is a BBC Audio North Production for BBC Radio 4 and BBC Sounds

Could smart glasses with built-in video cameras become widely accepted?
Greg Foot, host of BBC Radio 4's 'Sliced Bread' brings you 'Dough', examining the rise of future wonder products.
Greg is joined by experts, entrepreneurs and industry innovators to discuss the trends we're seeing today and where they may lead us tomorrow, before a leading futurist offers their predictions on what life might be like within five, ten and fifty years.
This time we’re looking at the future of eyewear - asking whether smart glasses with built-in video cameras might see past previous failures to become widely accepted?
And whether you might soon be wearing smart contact lenses that can not only display websites and messages, but also potentially monitor your eye health?
Greg is joined by the futurist Tracey Follows and guests including:
- Priya Morjaria, Assistant Professor in International Eye Health at the London School of Hygiene and Tropical Medicine and Head of Global Programme Development at Peek Vision
- Alex Himel, Vice President of Wearables at Meta which is selling smart glasses with embedded artificial intelligence, cameras, microphones and speakers.
- Professor Philip Morgan, Head of Optometry at the University of Manchester
Produced by Jon Douglas. Dough is a BBC Audio North Production for BBC Radio 4 and BBC Sounds

What will the office be like in future?
Greg Foot, host of BBC Radio 4's 'Sliced Bread' brings you 'Dough', examining the rise of future wonder products.
Greg is joined by experts, entrepreneurs and industry innovators to discuss the trends we're seeing today and where they may lead us tomorrow, before a leading futurist offers their predictions on what life might be like within five, ten and fifty years.
This time we’re looking at the future of the office - asking whether in years to come, we’ll even need one?
If so, is the ‘conference room’ soon to be a thing of the past, replaced with cafes, comfy chairs, and table tennis tables?
And will our future HQs be home to service robots and AI receptionists?
Greg learns how the Covid-19 pandemic changed office working and the trends transforming the look of high-end office developments. He is joined by the futurist Tom Cheesewright and guests including:
- Professor Matt Davis, University of Leeds
- Jane Clay, Strategy Leader and Principal at Gensler which designs and refurbishes buildings around the world
- Mike Dalloz, Chief Executive Officer and Co-founder of The Meeting Pod Company.
Produced by Jon Douglas. Dough is a BBC Audio North Production for BBC Radio 4 and BBC Sounds.

Could ticketless travel and satellite connectivity be coming to our rail network?
Greg Foot examines the rise of future wonder products.
He's joined by experts, entrepreneurs and industry innovators to discuss the trends we're seeing today and where they may lead us tomorrow, before a leading futurist offers their predictions on what life might be like within five, ten and fifty years.
In this episode Greg hears how renationalisation, digital signalling, satellite connections, ticketless technology and battery power might transform our trains in the future.
With him is the futurist Tom Cheesewright and guests including:
- Dickon Ross, Editor of Rail Magazine
- Maggie Simpson OBE, Director General at the Rail Freight Group
- Mike Butler, Director of Rail & Innovation at Clarus Networks
Produced by Jon Douglas. Dough is a BBC Audio North Production for BBC Radio 4 and BBC Sounds.

What will mobile phones be like in future? Greg Foot investigates
Greg Foot, host of the BBC Radio 4 show 'Sliced Bread', brings you 'Dough'.
Each episode explores future wonder products that might rise to success and redefine our lives.
Experts and entrepreneurs discuss the trends shaping what today's everyday technology may look like tomorrow, before a leading futurist offers their predictions on what life might be like within five, ten and fifty years.
This time we’re looking at the future of mobile phones - asking whether our handsets will shrink, stretch, roll, fold… or even disappear as new technology takes over? And will super-smart devices with AI assistants that second-guess our every move become the new normal?
Alongside Greg is the futurist, Tracey Follows, and expert guests: leading strategist in the tech industry, Chetan Sharma, innovator and creator from one of the world’s newest Mobile Phone manufacturers, “Nothing Mobile", their AI and design lead, Sélim Benayat and co-founder and CEO of Honest Mobile, Andy Aitken.
This episode was produced by Linda Walker
Dough is a BBC Audio North Production for BBC Radio 4 and BBC Sounds