Ankur Desai

In 1999, four Russian apartment buildings were bombed, hundreds killed.

But even now, we still don't know for sure who did it.

It's a mystery that sparked chilling theories.

I'm Helena Merriman, and in a new BBC series, I'm talking to the reporters who first covered this story.

What did they miss the first time?

The History Bureau, Putin and the apartment bombs.

Listen on BBC.com or wherever you get your podcasts.

This is the Happy Pod from the BBC World Service.

Hello, I'm Ankur Desai and in this edition, how an Ethiopian man who needed two heart operations as a child ended up working with the American surgeon who'd saved him.

It's a dream come true life.

It's such an amazing privilege to serve together with

A Paralympic athlete and guitarist who's blind talks of his joy at being sent a specially designed amplifier.

Later on, how a new AI chatbot is helping farmers in rural areas of Malawi.

And do stick with me on this one.

Why a cow is using a broom to scratch its back and why it's exciting scientists.

And the girl who joined her dad's wedding photography business at the age of just nine.

It's an amazing feeling if your daughter actually wants to come with you to work and then does such an amazing job at the age of nine.

I love taking photos.

You just see like the world through a different lens.

We start with an inspiring full circle story from Ethiopia.