Ever wondered what the world's wealthiest people did to get so ridiculously rich?

Our podcast Good Bad Billionaire takes one billionaire at a time and explains exactly how they made their money.

And then we decide if they are actually good, bad or just plain wealthy.

So if you want to know if Rihanna is as much of a bad guy as she claims,

or what Jeff Bezos really did to become the first person in history to pocket a hundred billion dollars,

listen to Good Bad Billionaire with me, Simon Jack, and me, Zingsing.

Listen on BBC Sounds.

BBC Sounds, Music, Radio, Podcasts.

Welcome to the Life Scientific, the podcast where I get to talk to leading scientists,

and you get to find out what gets them out of bed in the morning.

In this episode, we hear how a young scientist is making waves restoring coral reefs

by playing the sounds of fish into the ocean.

Hello, before we begin, let's have a listen to these sounds.

No, it's not my tummy rumbling.

It's the underwater sound of a coral reef.

My guest today studies the sound of fish living on coral reefs.

Tim Lamont is a marine biologist at the Lancaster Environment Centre,

and he'll be explaining how playing these sounds to fish in the ocean

is being used to rebuild damaged reefs.

It's been an emotional journey, he says,

learning that environmental scientists can no longer just observe and study nature,

they are having to intervene, using the results of their research to rebuild ecosystems.

...