The 2020 pandemic has transformed our world, but it won’t be the last to do so. How should we prepare for the future? Along with one of the world’s leading epidemiologists, David Edmonds explores the science of pandemics – and why it is so uncertain.

Some people are addicted to drugs, others to alcohol. Addicts often crave a substance, and yet when they inject or consume it, it doesn’t bring them any pleasure. David Edmonds finds out how humans can want something, but not like it.

Love him or loathe him, we can all agree that Donald Trump is not a ‘normal’ President. Previous presidents would never behave like President Trump. Is the abnormal becoming normal? And how can we tackle people who say uncomfortable things?

Have you ever thought that your city is too regulated? Or that the city you live in doesn’t do enough to police people who break the rules? In this episode, David Edmonds has been speaking to Michele Gelfand, a psychologist whose research on rule makers and rule breakers could change the way we think about our cities. We’ll find out why you might be able to tell the time better in a city that's like Switzerland; why Japanese police officers reportedly egged people on to commit more crimes; and why living in a city like San Francisco could make you more creative.Presented by David Edmonds. Produced by Robbie Wojciechowski for the BBC World Service.

We spend around a third of our lives asleep, but the reason we sleep is still something of a mystery. Could it be the biggest mistake the evolutionary process has ever made? What does sleep actually do for us? David Edmonds meets Matthew Walker, one of the world’s leading sleep scientists, to discuss some of his findings. We’ll hear about how the clocks going back has an effect on heart attack rates, and consider why, if you’re struggling to sleep, the worst thing you could do would be to stay in bed.

Ernst Fehr is well named: he’s an economist who writes about fairness. In fact, until his pioneering work, economists had been dismissive about whether fairness was a subject worthy of study. Now some have tipped Fehr to win a Nobel Prize. David Edmonds speaks to him about why it pays to be fair, and why people are less selfish than you think.Presented by David Edmonds Produced by Robbie Wojciechowski for the BBC World Service

David Edmonds speaks to a leading criminologist who says we can do much better in identifying rogue cops before they act. Produced by Robbie Wojciechowski for the BBC World Service.

Watching a scary movie, you feel scared. But how do our brain and body work together to tell us about our emotions? A brilliant young scientist has been finding out why the art of interoception could help us better manage our emotions.

Every time you book a journey from an app like Uber, you’ll be providing the company with data - and making one man in Chicago very happy. He’s an economist who’s been examining the data, and his findings are fascinating.

Why is more than half the world’s population living in cities? Why are some more successful than others? And what is their future post-pandemic? David Edmonds searches for answers to these questions and more with the world’s foremost economist on cities.