Sliced Bread Episodes Available now

Vacuum Cleaners—Dough - Series 1

Why do we buy so many vacuum cleaners?

What might our TV sets be like in the future?

Sam White looks at where the smart money's going now and what it could mean in the future.

Can DNA ancestry tests really tell where we come from?

Are the latest ear plugs better for gigs, focus and sleep?

Can fortified drinks and spreads really reduce cholesterol?

What is the point of acupressure mats?

What's the best - and most humane - way to get rid of pests?

Which contact lenses are best for your eyes - and the planet?

Is it worth paying more for premium car tyres?