Dr. Christine McCarthy is an "ice squeezer" at Columbia University's Lamont-Doherty Earth Observatory. She studies space ice on moons and other planets and glaciers here on Earth. In this episode, she tells comedians Gary Richardson (SNL), Ashley Brooke Roberts (NatGeo), and Nadia Pinder about her research and findings. Hosted by Chris Duffy. Produced by Pretty Good Friends.

Anand Varma is a National Geographic Photographer and biologist who uses pioneering techniques to capture images of everything from parasites that control the mind of an insect to hummingbirds to bees licking each other. He explains his work to comedians Jo Firestone, Scott Adsit, and Kasha Patel. Hosted by Chris Duffy. Produced by Pretty Good Friends. This episode was recorded in front of a live audience at National Geographic in DC.

Dr. Jennifer Basil studies memory and navigation across a variety of animals. But her main study subject is the Chambered Nautilus, a beautiful and mysterious creature of the deep. Listen as comedians Jo Firestone, Zhubin Parang, and Shalewa Sharpe discover what a nautilus is, why it matters, and why it's really pretty gross to eat a lobster. Hosted by Chris Duffy. Produced by Pretty Good Friends.

Dr. Christine Austin uses teeth to study childhood development, exposure to chemicals, and stress. She teaches comedians Todd Barry, Michelle Buteau, and Negin Farsad about the secret rings hidden in our molars, why you don't want to inhale tooth dust, and how tooth analysis might hold the answers to some of our most frustratingly persistent diseases. Hosted by Chris Duffy. Produced by Pretty Good Friends.

Dr. Alicia Perez-Porro is an expert on sea sponges. Are they the oldest living creatures? Are they constantly filtering our oceans? Should you use them to clean yourself in the shower? Comedians Josh Gondelman, Maeve Higgins, and Gary Richardson find out those answers and more. Hosted by Chris Duffy. Produced by Pretty Good Friends.

Dr. Tal Rabin is the head of the Cryptography Research Group at the IBM T.J. Watson Research Center. She's an expert on secure cryptographic algorithms. In this episode, she teaches comedians John Hodgman, Josh Sharp, and Shalewa Sharpe about how cryptography works, what a bitcoin really is, and the best recipe for tiramisu. Hosted and created by Chris Duffy. Produced by Pretty Good Friends.

Astrophysicist Jackie Faherty studies the celestial bodies known as Brown Dwarfs. Our panelists Aparna Nancherla, Ashley Brooke Roberts, and Zhubin Parang discover what a brown dwarf is, how clouds are being detected in space, and what Jackie wants every baby to be named. Hosted by Chris Duffy. Produced by Pretty Good Friends.

Dr. Danielle Lee got into science hoping to study something sexy, but ended up studying rats. She tells comedians Aparna Nancherla, Maeve Higgins, and Baratunde Thurston about her journey and the incredible things she's learned about rodents. Hosted by Chris Duffy. Produced by Pretty Good Friends.This episode was recorded at National Geographic in DC as part of the Bentzen Ball.

NYU's Dr. Shara Bailey studies what human teeth can tell us about our past. How does the shape of your molar reveal your family history? And what is the tooth-based link between North America and East Asia? Shara tells comedians Jo Firestone, Charlie Hankin, and Shalewa Sharpe all that and more. Hosted by Chris Duffy. Produced by Pretty Good Friends.

Live from Second City in Toronto, Dr. Suzanne MacDonald tells us what it's like to be the world's leading expert on raccoon intelligence. Can you build a raccoon-proof trash can? Why does one man have fifty raccoons in his backyard? And how can they affect a gubernatorial race? This show features panelists Sasheer Zamata, Todd Barry, and Courtney Gilmour. Hosted by Chris Duffy. Recorded at the 2017 Just For Laughs Comedy Festival in Toronto. Produced by Pretty Good Friends.