What in the World

• Do students learn best in their first language?

  Children learn best when they’re taught in the language they use at home, research suggests. But there's the question about the power of world languages like English, Spanish, French or Arabic and how they could provide more opportunities to those who learn it, be it in education or a career. You’ve been messaging us about what languages you learned in at school. Say hello to Brian in Kenya and Christian in the Philippines!We then skip over to Nigeria, where our reporter Makuochi Okafor breaks down for us why the government is reversing its policy of teaching in other languages that aren't English. And our colleague Santiago tells us what went wrong when he was learning in English in his Colombian school. Plus, we get the research from Justine Sass, from UNESCO - the UN agency for education, science and culture.Instagram: @bbcwhatintheworld Email: [email protected] WhatsApp: +44 0330 12 33 22 6 Presenter: Hannah Gelbart Producers: Julia Ross-Roy, Chelsea Coates, Maria Clara Montoya and Emily Horler Editor: Verity Wilde

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• Why your plane’s GPS might be sabotaged (but don’t be scared)

  GPS interference or GPS ‘jamming’ is getting more common. It’s when radio signals on the same frequencies as GPS satellites are used to overwhelm and block legitimate navigation signals. It’s led to pilots having to make emergency landings or switch to older non-GPS systems. The issue has become so prevalent that the European Union Aviation Safety Agency (EASA) held a conference on it last year. Several European governments also believe it is intentional interference by Russia. BBC journalist Emilia Jansson explains GPS jamming in detail and how it is affecting the aviation industry.Plus we hear from Ian Petchenik, director of communications at flight-tracking website Flightradar24 about what GPS interference looks like in real-time.Instagram: @bbcwhatintheworld Email: [email protected] WhatsApp: +44 330 12 33 22 6 Presenter: Hannah Gelbart Producer: Emilia Jansson and Benita Barden Editor: Verity Wilde

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• COP30 made some progress, but not on fossil fuels

  COP30, the big meeting where countries discuss climate change annually, has finished. This year it was hosted in the city of Belem in Brazil, in the Amazon forest, which is directly affected by it. The role of the two biggest emitters has also made headlines. The United States hasn’t taken part in the talks and China has kept a very low profile. This summit has ended without a clear commitment to phase out fossil fuels and that has angered protesters and activists, who participated in demonstrations showing their opposition to this plan. We wrap up the highlights of COP30 with our resident climate expert, Georgina Rannard and also hear from Natalia Tsuyama, a Brazilian climate activists who shares with us how her first COP has been. Instagram: @bbcwhatintheworld Email: [email protected] WhatsApp: +44 0330 12 33 22 6 Presenter: Hannah Gelbart Producers: Emily Horler and Maria Clara Montoya Editor: Verity Wilde

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• The ancient origins of kissing

  Scientists at Oxford University in the UK now think that kissing evolved more than 21 million years ago, and it wasn’t humans that started it.As a behaviour, it has no obvious survival or reproductive benefits but it’s seen across the world, in humans and animals alike.Victoria Gill, our Science Correspondent, tells us all about the research and what we know about if animals can be romantic like humans can.Instagram: @bbcwhatintheworld Email: [email protected] WhatsApp: +44 330 12 33 22 6 Presenter: Hannah Gelbart Producers: Emily Horler and Benita Barden Editor: Verity Wilde

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• The drama at this year’s Miss Universe

  Miss Mexico Fatima Bosch has been crowned Miss Universe at a ceremony in Bangkok, marking the end of an exceptionally scandal-filled pageant season. It's the 74th Miss Universe pageant and there was a lot of drama before a single contestant took to the stage.Early in November, Miss Mexico walked out of an event after she was told off by a Thai official and those who supported her were threatened with disqualification. Then in the days before the final, some judges resigned, one over claims the competition is rigged - which is of course denied by the Miss Universe Organisation.Social media has shown some of the drama behind the scenes… and at the centre of it is two of the men running the pageant. Nawat Itsaragrisil and Raúl Rocha Cantú have very different visions for the future of the pageant, which has been dealing with declining ratings and financial issues.William Lee Adams, host of Marketplace Morning Report, takes us through what’s been going on behind the scenes, everything from finances to clashes over how it should be run.Instagram: @bbcwhatintheworld Email: [email protected] WhatsApp: +44 330 12 33 22 6 Presenter: Hannah Gelbart Producers: Benita Barden, Chelsea Coates and Emily Horler Video producer: Baldeep Chahal Editor: Verity Wilde

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