I'm Rostam Zaffari, the host of the How to Change the World podcast, a guide for anyone ready to cultivate change in their corner of the world.

Each episode, I sit down with builders, artists, organizers.

Some of the names you'll know, some of the names you'll get to know.

Whether they're saving ranch lands in Montana, building energy independence in Standing Rock, or ending gun violence in Chicago.

They share a common belief that a more just world is possible.

So How to Change the World Podcast is produced by World Within Studios with PRX.

There is new research on pleasure that actually is fascinating, and the site OMGS makes it accessible to everyone.

OMGS shares findings from the largest ever study into women's pleasure and intimacy.

In partnership with researchers at Indiana University and at Yale, they asked tens of thousands

of couples what they wished they had discovered sooner.

They found patterns in those discoveries,

and all that wisdom about pleasure and intimacy is organized as hundreds of short videos,

animations, and how-toes on OMGES.com. And guess what? Half of OMGS users are men. Men are

curious about this stuff, too, scientific research-backed techniques.

See what they discovered today at omg yes.com. That's omg yes.com. Geothermal energy is clean, reliable, available,

available regardless of the weather, and pretty cheap to use once it's been set up.

It works so well that 90% of homes in Iceland draw their heating from underground.

Of course, Iceland is packed with hot springs and geysers and lava

domes, which means you don't have to look far or dig deep to hit a potential energy source.

From KERA in Dallas, this is Think. I'm Chris Boyd. Geothermal heat is not so in your face in other

parts of the world, or at least not so close to the surface.

But if you dig deep enough, you will eventually get to a depth where the Earth's interior

...