Hi, it's Bob Safian. You've been hearing me as the host of rapid response in this feed for a few years now,

with short newsy interviews alongside the deeper dives of Masters of Scale. Well, I'm excited to share that rapid response is expanding into its own feed.

We'll be putting out shows twice a week, focusing on the urgent issues that business leaders are dealing with in real time.

So search for rapid response in your podcast player and subscribe to make sure you get all our episodes.

I'll see you on the other side.

My grandfather in Lima told me this legend

of the Spanish conquest of Peru.

The few Spaniards are returned from the jungle

come back with these horrible stories, right?

They talk about giant snakes that can swallow them and hold,

spiders as big as your hands that eat birds,

and fierce warriors with poison arrows that can kill you in a nick and one of the details in this legend was a river that boiled

That's really where our entire story starts. A detail in a childhood legend. That's Andrei

Russo. He's a National Geographic Explorer and Geothermal scientist. In 2010, he began a personal quest to find the boiling river

he'd heard about in a childhood legend. Did it exist? Every company that I'd

work with, every geologist I could get my hands on, I'd ask, hey, have you heard of a boiling river, a large, big thermal river in the middle of the Amazon? Heard about it in a legend, and some people just laughed it off and said, well, whatever.

The very last time I asked that question was actually kind of funny.

I was at a mining company.

I'd just given this presentation, it went really, really well.

You know, there was much older geologist, you know, very put together.

I was sitting back there and I was talking to him about it. And things had gone so well that I

kind of loosened up. And I was like, hey, one random question.

...