Unexpected Elements is the podcast exploring the science behind the headlines.

It's a real melting pot.

Yeah, the surface has lost happening.

Unexpected Elements from the BBC World Service.

Find it wherever you get your BBC podcasts.

This is Andrew Peach in the studio in London.

And this is Orle gear and currently in Kiev.

Orle is great to have you with us for the happy pod this week.

You're the BBC Senior International Correspondent.

So often in war zones reporting on harrowing stories,

but this week a really inspiring story.

Yes, we've been back to Yemen where there's been a civil war now for almost a decade.

And I caught up with an incredible young boy called Ahmed.

I first met him two and a half years ago when he was nine.

And he was teaching his fellow pupils in his school at just nine years old.

But he's now 11 and we had a chance to catch up and see how he's doing now

and what changes there have been for him and also for the school.

It was lovely to hear you reunited.

And to hear some positive news as well from such a difficult part of the world

we're going to talk more about that in a little while.

Also on the way the app that's teaching hundreds of thousands of people

in the hall of Africa to read and write.

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