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BBC Radio 4

Sliced Bread is the series that investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread'? Science presenter Greg Foot finds out.

Greg speaks to experts on a bunk-busting mission to test the latest consumer trends chosen by listeners. Do they live up to the hype? Or are they just marketing BS?

Greg chats to the experts, dives into the data, performs tests and crunches the numbers before putting his findings back to the listener so they can decide if it's worth spending their hard earned money on.

New episodes of Sliced Bread are released weekly on Thursdays wherever you get your podcasts. But if you're in the UK, you can listen to the latest episode on BBC Sounds first, a week earlier than anywhere else. 

If you have a suggestion for a product to investigate, you can email the team on sliced.bread@bbc.co.uk or send a WhatsApp voice note via the number 07543 306807.

Sliced Bread is produced by BBC Audio North for BBC Radio 4 and BBC Sounds.

Sliced Bread

Are cough medicines any better than just taking honey and lemon?

When Listener Sally sent in a croaky voicenote to our Sliced Bread Whatsapp number (07543 306807 - put us in your contacts!) we knew we had to tackle this one. 

Sally didn't think the medicine she used for her cough did very much, so she joined presenter Greg Foot and Jacky Smith, Professor in Respiratory Medicine at the University of Manchester, to get some answers.

Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them?

If you’ve seen an ad, trend or wonder product promising to make you happier, healthier or greener, email us at sliced.bread@bbc.co.uk or send a voice note to our WhatsApp number, 07543 306807.

RESEARCHER: PHIL SANSOM
PRODUCERS: SIMON HOBAN AND GREG FOOT

Cough Medicines

Are special shampoos and coatings any good at cleaning and protecting your car? 

They're all over Instagram: washes, foams, and ceramic coatings in a rainbow of coloured bottles that promise to give your car that showroom shine. For listener James - a driving instructor - the question is whether they're worth the money, or if an ordinary bottle of washing up liquid will do the job.
 
To find out Greg is joined in the Salford studio by materials scientist and vehicle coatings researcher at the University of Manchester, Dr Beatriz Mingo, as well car expert and TV presenter Tim Shaw.
 
Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them?
 
At Sliced Bread, we're hungry for your suggestions so we can keep making fresh batches! If you’ve seen an ad, trend or wonder product promising to make you happier, healthier or greener, email us at sliced.bread@bbc.co.uk OR send a voice note to our WhatsApp number, 07543 306807.
 
RESEARCHER: PHIL SANSOM
PRODUCERS: PHIL SANSOM AND GREG FOOT

Car Shampoos and Coatings

Listener Julie has been reaching for the fake tan every spring to add a "bit of colour" to her legs, but after much trial and error with foams, lotions and gels, she got in touch with Sliced Bread to ask what is actually IN fake tan? How does it work - and is there a particular kind that might suit her best?

Greg Foot is joined by Consultant Dermatologist and Senior Lecturer at the University of Manchester Dr Jean Ayer, as well as Cosmetic Scientist and Science Communicator who runs the blog LabMuffin Dr Michelle Wong, to find out. 

Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them?

At Sliced Bread, we're hungry for your suggestions so we can keep making fresh batches! If you’ve seen an ad, trend or wonder product promising to make you happier, healthier or greener, email us at sliced.bread@bbc.co.uk OR send a voice note to our WhatsApp number, 07543 306807.

RESEARCHER: PHIL SANSOM
PRODUCERS: KATE HOLDSWORTH AND GREG FOOT

Fake Tans

Can anything stop toenail fungus in its tracks?

It's one of the most-requested but least-talked-about topics, so listener Julia speaks for many as she joins us to ask about treatments for toenail fungus. She's keen to know if the laser-light devices shes's seen on social media really do work, as well as over-the-counter lacquers and prescription drugs. 

To get the answers Greg and Julia are joined in the Salford studio by Dr Ivan Bristow, who's on the British Association of Dermatologists' Foot Fungus Task Force.

Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them?

At Sliced Bread, we're hungry for your suggestions so we can keep making fresh batches! If you’ve seen an ad, trend or wonder product promising to make you happier, healthier or greener, email us at sliced.bread@bbc.co.uk OR send a voice note to our WhatsApp number, 07543 306807.

RESEARCHER: PHIL SANSOM
PRODUCERS: SIMON HOBAN AND GREG FOOT

Toenail Fungus Treatments

Greg Foot speaks to Consultant Dermatologist and Dermatological Surgeon Dr Emma Craythorne - who has plenty of skin in the game - to find some answers for listener Phil about about scars, how they occur, the different types, and what might help make them less obvious. 

Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them?

At Sliced Bread, we're hungry for your suggestions so we can keep making fresh batches! If you’ve seen an ad, trend or wonder product promising to make you happier, healthier or greener, email us at sliced.bread@bbc.co.uk OR send a voice note to our WhatsApp number, 07543 306807.

RESEARCHER: PHIL SANSOM
PRODUCERS: KATE HOLDSWORTH AND GREG FOOT

Scar Gels and Oils

Can creatine boost your body and mind?

Listener Simon has been taking the fitness supplement creatine and wants to know if the science backs up the claim that it can make you stronger and faster. He's also heard that it can help with cognitive function. To find out if creatine can boost body and mind, presenter Greg Foot is joined by Graeme Close, Professor of Physiology at Liverpool John Moores University and Fabienne Sandkuhler, postdoctoral researcher at LMU Munich.

Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them?

All of our episodes start with YOUR suggestions. If you’ve seen an ad, trend or wonder product promising to make you happier, healthier or greener, email us at sliced.bread@bbc.co.uk OR send a voice note to our WhatsApp number, 07543 306807.

RESEARCHER: PHIL SANSOM
PRODUCERS: SIMON HOBAN AND GREG FOOT

Creatine

Can supersonic air travel make a comeback?

Greg Foot, host of the BBC Radio 4 show 'Sliced Bread', now 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 episode examines the future of flight. 

How could new, supersonic flights not cost the earth?
Will your future taxi be a flying one without a pilot?
Could a new shape for aeroplanes make them more spacious and efficient?

Alongside Greg is the futurist, Tom Cheesewright, and expert guests Mariya Tarabanovska, an aerospace engineer and the founder of Flight Crowd, a non-profit educational organisation focused on electric aviation and Simon Davies, chief test pilot at Vertical Aerospace, a British aerospace technology company.

This episode was produced by Jay Unger.

Dough is a BBC Audio North Production for BBC Radio 4 and BBC Sounds

Dough - The Future of Flight

Could 'smart' clothing monitor our health?

Greg Foot, host of the BBC Radio 4 show 'Sliced Bread', now 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 episode examines the future of our clothing.

How can manufacturers dye clothes without using water?
Could 'smart' fabrics monitor weather conditions and provide extra warmth or cooling when we need it?
Will our body movements, instead of bulky batteries, provide the power for clothing to monitor our health?
Will synthetic material be completely replaced by natural fibres and those made from waste products? 

Greg is joined by the futurist, Tracey Follows, and expert guests Dr Marie O'Mahony, programme leader for E-textiles and Wearable Technologies at the Winchester School of Art at the University of Southampton and Jenny Prendergast, Programme Leader for Fashion and Design Technology at Loughborough University.

This episode was produced by Jay Unger.

Dough is a BBC Audio North Production for BBC Radio 4 and BBC Sounds

Dough - The Future of Clothing

Could your future home be built by a robot bricklayer?

Greg Foot, host of the BBC Radio 4 show 'Sliced Bread', now 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 episode examines the future of UK housebuilding.

Will new homes be cheaper to run and built to a higher standard? 
What potential do robots have to build quality homes quickly and cheaply?
Could building homes with bricks become a thing of the past? 
Might 3D printing homes with concrete be a realistic alternative?
And will factories play a bigger part in meeting the demand for new housing?

Alongside Greg is the futurist Tom Cheesewright and expert guests including Prof. Richard Fitton, Professor of Building Performance at the University of Salford and Salar al Khafaji, the CEO and founder of Monumental which builds autonomous on-site construction robots. 

Produced by Jon Douglas. Dough is a BBC Audio North Production for BBC Radio 4 and BBC Sounds.

Dough - The Future of Housebuilding

Will delivery drones and robots make popping to the shops a thing of the past?

Greg Foot, host of the BBC Radio 4 show 'Sliced Bread', now 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 episode looks at the future of home parcel delivery. 

One of the UK's biggest parcel delivery companies, Evri, explains why its trial of a robot delivery 'dog' will not spell the end for human couriers. 

A service already delivering coffee and groceries by drone in part of Dublin outlines its plans to take off in the UK.

And Greg hears how looking to the past may improve home deliveries in future by making more of our inland waterways and rail network.

Alongside Greg, delivering her expertise, is the futurist Tracey Follows and expert guests including:

-Craig Noonan, UK Director of Communications and Brand at Evri
-Alan Hicks, Chief Technology Officer at Manna Drone Delivery
-Michelle Gardner, Deputy Director of Policy at the trade association, Logistics UK

Produced by Jon Douglas. Dough is a BBC Audio North Production for BBC Radio 4 and BBC Sounds.

Dough - The Future of Home Parcel Delivery

Is it worth getting a Smart Doorbell?

Greg Foot pushes all the right buttons as he gathers consumer and crime experts to get answers for listener Derek, who's keen to learn more about the various features, prices and security elements in the growing market of smart doorbells. 

Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them?

This episode is the last in the current series of Sliced Bread, but we're hungry for your suggestions so we can prepare another batch! If you’ve seen an ad, trend or wonder product promising to make you happier, healthier or greener, email us at sliced.bread@bbc.co.uk OR send a voice note to our WhatsApp number, 07543 306807.

RESEARCHER: PHIL SANSOM
PRODUCERS: SIMON HOBAN AND GREG FOOT

Smart Doorbells

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