More Jam Tomorrow

<p >For decades the Security Service did not officially exist. Now it posts on Instagram. But what is MI5? How has it transformed itself since the second world war? And what kind of people work there? Ros Taylor speaks...

<p >Dynamic, dreary – Britain has 2,300 miles of motorways, and the country would grind to a halt without these tarmac arteries. But they were part of a fast, futuristic post-war vision. Will we ever build another...

<p >Britain was one of the last countries to go decimal – and had Margaret Thatcher not abolished the Metrication Board, we might have abandoned miles and pints too. Ros Taylor finds out how Britons were persuaded of...

<p >"Ask a man whether women should wear slacks and the answer is almost certain to be a firm 'No.'" How did women get to wear the trousers? Ros Taylor talks to fashion expert Belinda Naylor and Purna Sen, who wore...

<p >In 1948 Britain declared an Emergency in Malaya</p> <p >It wasn't really an emergency. It was a guerrilla war.</p> <p >And Britain would spend 12 years trying to drive communists out of its territory. What were we...

<p >'Oh, bugger orf!' We all know Received Pronunciation when we hear it. But what makes this accent distinctive? Why do people still pay to learn how to speak RP – and does it really bring the advantages it used...

<p >No one dies of diphtheria or polio in Britain any more. Since World War Two, we've virtually wiped out the diseases that used to kill tens of thousands of children every year. But rolling out a vaccine isn't always...

<p >It's built for cars. The buses are baffling. But it's got the most energy efficient housing in Britain. What did it take to build a city from almost nothing? And a university where there are no students on campus...

<p>It was silly. It was addictive. For decades, millions of kids would gaze at the same people and laugh at the same jokes at the same time. How did children's TV shape their minds? And what will it look like in a world...

<p>More Jam Tomorrow is taking a two-episode break. We'll be back in less than a month, on 28th August.</p> <p>In the meantime, I have one big ask.</p> <p>Please let me know if you would support a fifth series of...

<p >Pound for pound, fish is small fry for the British economy – but it has long been vital to our sense of sovereignty. From skirmishes with Dutch boats to the Cod Wars and Brexit, Ros Taylor finds out why fish matter...

<p >"No matter how hard you work or how capable you are, you can't do it all yourself. You have to seek reliable help." Those were Margaret Thatcher's words in 1990. Who are the 'help'? How did they enable women to have...

<p >Cannabis. It's illegal in the UK without a prescription – and despite decriminalisation abroad, it's likely to stay that way. When did people start smoking cannabis in Britain? Why is the law against it so patchily...

<p>Seventy years ago, on an island off Australia, we started something we couldn't finish. This is the story of Britain's nuclear deterrent, Trident — why we have it and why we can't let go of it.</p> <p >Keep More Jam...

<p >When you need to see a GP, you can - though you might have to wait a couple of weeks. </p> <p> </p> <p >But half the people who need an NHS dentist have no realistic chance of finding one. </p> <p> </p> <p >Tooth...