It's Friday, April 8th, 2016, and you're listening to Inquiring Minds.

I'm Indra Viscontas.

And I'm Kishore Hari.

Each week, we bring you a new in-depth exploration of the space where science, politics, and society collide.

We endeavor to find out what's true, what's left to discover, and why it all matters.

You can find us online at inquiringshow.com or on Twitter at Inquiringshow and Facebook.

And you can subscribe to the show on iTunes or any other podcasting app.

This episode is sponsored by Audible.com, a leading provider of spoken audio information and entertainment

with over 180,000 titles to choose from. And they're offering Inquiring Minds listeners a free

30-day trial. To get started, go to audiblepodcast.com slash inquiring minds. That's

audiblepodcast.com slash inquiring minds. So do you like hiking?

Yeah, I love hiking.

So I have this distinct memory of one particular date that my husband and I went on that

helped me, helped to convince me that he was actually worth spending more time with.

And we went on this hike.

We were in L.A. at the time.

And we were both equally amazed and intrigued by

the diversity of plants and animals that we came across. So we were the kind of hikers that, like,

stop every few feet and, like, look down at, you know, the flora and fauna and so forth.

Yeah, those are the irritating hikers on the hiking trail. Yeah, so most of the other guys

I dated L.A. paid more attention to the assets of the female hikers on our path than the flora.

So Adam and I bonded on that, and we're both aspiring naturalists. So the idea of, like,

...