Blackpink’s Jisoo has announced she’s in a relationship - the 28-year-old K-pop star and actor Ahn Bo-hyun, 35, are "getting to know each other with good feelings", according to Korean media reports. The BBC’s Fan Wang explains why K-pop stars are usually so secretive about their private lives. Costs of petrol are rising in Nigeria because the President has said he’ll cut fuel subsidies - so Hannah tries a thought experiment with our special “Presidential Simulator 2K23” and the BBC’s business reporter in Nigeria, Nkechi Ogbonna - what would you do if you were in charge of a country? And Nomia Iqbal, BBC North America Correspondent brings you up to date on all things Trump.

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Presenter: Hannah Gelbart Producers: Julia Ross Roy, Alex Rhodes, Mora Morrison Editors: Verity Wilde and Simon Peeks

The way we buy clothes has massively changed over the past decade - it’s now cheaper and quicker to buy fashionable clothes with the growth of ‘fast fashion’.

So what is it? And is there more to it than making a quick purchase and staying on trend?

Hannah Gelbart is joined by Sophie Eastaugh, who’s covered the topic for the BBC's Climate Question.

Favour Nunoo, a BBC Reporter in Ghana, gives us a glimpse into what happens to some of the clothes that get thrown away, and how they end up at Kantamanto market, in Accra.

Fair fashion campaigner and influencer Venetia La Manna gives her view on how shoppers should change their habits.

Plus BBC Monitoring’s Samuel Murunga explains what’s behind the TikTok ban in Senegal.

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Presenter: Hannah Gelbart Producers: Julia Ross Roy, Benita Barden & Emily Horler Editors: Verity Wilde and Simon Peeks

The government in South Korea hopes money will persuade young recluses out of their homes. Hannah Gelbart talks to BBC reporter Hyunjung Kim in Seoul.

Also in this episode Lizzo is being sued by three of her former dancers over claims including sexual harassment and fat shaming. The ‘About Damn Time’ singer is known for celebrating her body and self-love, so this has come as a surprise to many. This got us thinking about body shaming around the world.

We hear from fat activist James O’Hagan in Ireland, and Esther Ogola in Kenya. At the time of recording Lizzo hadn’t responded to the BBC’s request for comment.

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Presenter: Hannah Gelbart Producers: Mora Morrison and William Lee Adams Editors: Verity Wilde and Simon Peeks

Update 3 August: Since the recording Lizzo has responded to allegations describing them as "false" and "outrageous".

With the Women’s World Cup taking place in Australia and New Zealand, athletes around the world are tracking their menstrual cycles to adapt their training plans and improve their performance based on their hormonal fluctuations.

In this episode, we’re demystifying periods and looking at how the conversation around them is changing. Hannah Gelbart is joined by Hannah Wilkinson, who plays for the New Zealand national football team and Dr Georgie Bruinvels.

Plus, BBC reporters Kerry Allen and Sarah Keith-Lucas explain what’s happening with typhoons in China.

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Presenter: Hannah Gelbart with William Lee Adams Producers: Emily Horler, Benita Barden and Mora Morrison Editors: Verity Wilde and Simon Peeks

Temperatures above 50 degrees Celsius have been recorded in China and the US and the UN chief says the era of global warming has ended and “the era of global boiling has arrived”.

When it’s extremely hot, there are more hospital admissions and more deaths. But one thing that isn’t talked about as much is how the heat affects your mental health. So, in this episode we’re asking: What in the World happens to your mental health in extreme heat?

Hannah Gelbart is joined by BBC reporters Kelly Ng and Sofia Bettiza, and also Dr Dominic Canova from New York City.

Plus, the BBC’s Mimi Fawaz explains how Moroccan defender Nouhaila Benzina has made history by becoming the first football player to wear a hijab at a World Cup.

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Presenter: Hannah Gelbart with William Lee Adams Producers: Mora Morrison and Adam Chowdhury Editors: Verity Wilde and Simon Peeks

We’re here to help you work out What in the World is going on.

Monday to Friday, join Hannah and the team around the world as they make sense of the issues that matter to you. Starting 31 July.