Desi Doyen of the Green News Report talks with Cara about the culture of climate denialism in America, including who's really pulling the strings and how we can be empowered to effect change.

Dr. Chiara Mingarelli, Marie Curie Fellow in Theoretical Astrophysics at Caltech, gives Cara a primer on gravitational waves. She talks about using pulsar timing arrays to detect and analyze gravitational waves, and she throws in some black hole physics for good measure! Follow Chiara: @gravitate_to_me.

Dr. Chiara Mingarelli, Marie Curie Fellow in Theoretical Astrophysics at Caltech, gives Cara a primer on gravitational waves. She talks about using pulsar timing arrays to detect and analyze gravitational waves, and she throws in some black hole physics for good measure!

Seth Andrews (The Thinking Atheist) tells Cara stories about his past as a fundamentalist Christian. Also discussed: how to be an example to atheists and religious people alike, and atheist activism in the new media landscape. Follow Seth: @TheThinkingAtheist.

Seth Andrews (The Thinking Atheist) tells Cara stories about his past as a fundamentalist Christian. Also discussed: how to be an example to atheists and religious people alike, and atheist activism in the new media landscape.

Producer Jenny Churchill offers Cara a behind-the-scenes look at producing the news, including how we learn by making huge mistakes, what qualifies as news vs. opinion in our new media echo-chambers, and why car chases are just so damn fun to watch. Follow Jenny: @JennyChurchill.

Producer Jenny Churchill offers Cara a behind-the-scenes look at producing the news, including how we learn by making huge mistakes, what qualifies as news vs. opinion in our new media echo-chambers, and why car chases are just so damn fun to watch.

Cara sits down with USC graduate student Michael Lee to talk about all things astrobiology. What is it? What can it tell us about alien life? And how does studying our own ocean floor help us understand what might be lurking on Jupiter's moon Europa? Follow Michael: @astrobiomike.

Cara sits down with USC graduate student Michael Lee to talk about all things astrobiology. What is it? What can it tell us about alien life? And how does studying our own ocean floor help us understand what might be lurking on Jupiter's moon Europa?

This week, Cara is joined in studio by one of #TalkNerdy's most requested guests, Jennifer Briney of the Congressional Dish Podcast. They discuss the dominant role corporate interests play in the American legislative process. Follow Jennifer: @JenBriney.