Sliced Bread

Tom Cheesewright, a renowned futurist with experience consulting for major car manufacturers, dives into the evolution of automotive technology. He discusses how electric vehicles could reshape transportation before 2030 and the potential of hydrogen as a fuel alternative. Cheesewright highlights the rise of smart cars equipped with real-time updates and app integrations, as well as the challenges faced by autonomous vehicles in gaining regulatory approval. The conversation also touches on the exciting future of vehicle-to-infrastructure communication, possibly leading to smarter traffic management.

Join Andrew Loughlin, a principal researcher at Which, and Emmeline Taylor, a criminology professor, as they explore the fascinating world of smart doorbells. They dissect essential features like camera resolution and installation challenges. The conversation dives into privacy concerns, comparing cloud storage versus local recording for footage. They also discuss the contentious impact of these devices on crime rates, emphasizing the need for ongoing technological improvements. Will smart doorbells truly enhance home security, or are they overhyped?

In this engaging discussion, Paul Elliott, a Professor of Epidemiology and Public Health Medicine at Imperial College London, dives into the health effects of various salts. He breaks down the astonishing differences between refined and unrefined salts and reveals the hidden sodium in processed foods. The episode highlights the essential role of iodized salt for iodine intake and contrasts premium salts with standard options. Elliott also advocates for potassium-enriched salts as a healthier choice, making listeners rethink their salt habits for better health.

Michelle Wong, a chemist and science communicator from Sydney, shares her expertise on the science behind beauty products, while Nyla Dinani, a consultant dermatologist, provides insights into nail health. They dive into the chemistry of nail polish, discussing ingredients like polymers and plasticizers. The risks of gel manicures, including UV exposure and allergic reactions, are examined. Additionally, they explore the differences between traditional nail polish and gel alternatives, highlighting safe application techniques and the truth behind marketing claims.

In this engaging discussion, Chris McCarthy, a clinical fellow from Manchester Metropolitan University, and Stacey Clemmis, a professor at Loughborough University, delve into the world of standing desks. They explore the benefits of reducing sedentary time, emphasizing improved posture and productivity. The duo offers practical tips on integrating more movement into the workday, while also examining affordable alternatives like treadmill desks and wobble boards. Listeners will gain insights into the perks and pitfalls of various desk solutions, making informed choices for healthier work habits.

In this enlightening discussion, Kath Noakes, an environmental engineering professor at the University of Leeds, and Richard Fitton, a building performance professor at the University of Salford, explore the real capabilities of dehumidifiers. They dive into how humidity levels affect indoor air quality and share insights on the best types of dehumidifiers, including eco-friendly options. Listeners learn practical tips for maximizing effectiveness, like optimal placement for drying clothes and preventing mold. It's a must-listen for anyone curious about maintaining a healthier home!

Which chopping board material is best for hygiene and the planet?Greg Foot gathers the experts, dives into the data and crunches the numbers to get answers for listener Simon.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: PHIL SANSOM AND GREG FOOT

Can jug or under sink filters, promising to soften tap water and improve taste, really take out what they claim?Greg Foot gathers the experts live at Cheltenham Science Festival, dives into the data and crunches the numbers to get answers for listener Elaine.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: KATE HOLDSWORTH AND GREG FOOT

Is more expensive dog food worth it?Greg Foot gathers the experts, dives into the data and crunches the numbers to get answers for listeners Izzy and Pete. 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?RESEARCHER: PHIL SANSOM PRODUCERS: SIMON HOBAN AND GREG FOOT

Homebase was once one of our leading home improvement chains so, why did it have to close all of its stores?The BBC Business journalist Sean Farrington investigates.Alongside him is the entrepreneur Sam White, who at the end of the show has to reach her own conclusions, based only on what she has heard and her own business acumen.Homebase was established by the supermarket chain Sainsbury's and a Belgian retailer which was already running a DIY business in Europe and America. The first Homebase store opened in Croydon in 1981 and it had to be temporarily closed by the police after visiting crowds caused a traffic jam. The chain expanded across the UK and had more than 300 stores. It went through some highs, and some serious lows, with various owners but what ultimately caused the closure of its shops?Sean and Sam hear from expert guests including:- Allison Foster, curator of the Sainsbury Archive, which is based at London Museum Docklands- Dave Elliott, a former Trading Director then later Commercial Director at Homebase under different owners- Matt Walton, senior data analyst at GlobalDataWhile Homebase's standalone stores are toast, the brand continues to trade online under new ownership. Homebase garden centres and products are also being included within branches of The Range. Produced by Jon Douglas, Toast is a BBC Audio North production for BBC Radio 4 and BBC Sounds.You can email the programme at toast@bbc.co.ukFeel free to suggest topics which could be covered in future episodes.