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South Africa is home to many of the world's rhinos, but it's also a poaching hotspot.
Conservationists are coming up with creative solutions, and on What in the World,
we're going to be talking about how scientists are injecting radioactive substances into rhinos' horns.
I'm Hannah Gelbart, I'm the host of What in the World, an award-winning daily podcast from the BBC World Service.
We break down global news stories and trending topics in less than 15 minutes,
and you can find us wherever you get your BBC podcasts.
Hello, I'm Mark Lowen.
Welcome to the documentary from the BBC World Service and BBC OS Conversations,
where we bring people together to share their experiences.
It's rare for a TV drama to become a global talking point,
but that's what's happened with the Netflix series Adolescents.
It's been called The Show of the Year and has reached the number one spot on the streaming service around the world.
The four-part series is based in the north of England and centres on a 13-year-old boy,
Jamie, accused of murdering a teenage girl.
But as we follow his family and the police investigating his school life,
it becomes clear that this is not so much about who done it as why.
You don't have to have seen Adolescents to follow our conversations
as we explore some of the issues that the series has raised,
including the role of social media in promoting what has been called toxic masculinity, online misogyny and bullying.