Dr. Rebecca Brachman tells us about her groundbreaking work in the neuroscience of resilience and how certain chemical compounds may be able to help prevent illnesses like depression or PTSD. This episode features comedians Wyatt Cenac, Maeve Higgins, and Negin Farsad. Hosted by Chris Duffy. Produced by Pretty Good Friends. NOTE: This is our last episode in the season.

Dr. Bianca Jones Marlin is a Columbia neuroscientist who studies maternal bonding and how trauma in parents affects the brains of future offspring. She teaches comedians Josh Gondelman, Ashley Brooke Roberts, and Dylan Marron about what you get from your parents and why. Hosted by Chris Duffy. Produced by Pretty Good Friends.

Jess Phoenix studies volcanoes all over the world. She also runs a nonprofit and was a candidate for Congress. In this episode, she explains magma, lava, and all her other hot facts to panelists Aparna Nancherla, Max Silvestri, and Caitlin Durante. Hosted by Chris Duffy. Produced by Pretty Good Friends.

Dr. Robin Nagle is the anthropologist-in-residence for New York City's Department of Sanitation and a professor at NYU. She walks us through the crucial and often overlooked role sanitation workers play in the city and talks trash with comedians Maeve Higgins, Gary Richardson, and Dylan Marron. Hosted by Chris Duffy. Produced by Pretty Good Friends.

Dr. Brooke Flammang studies sharks and the fish that stick onto them. She discovered a previously undiscovered muscle in shark tails, builds autonomous underwater robots, and fires off lasers in her lab. She's incredible. Comedians Dillon Stevenson, Maeve Higgins, and Emmy Blotnick learn all about her work. Hosted by Chris Duffy. Produced by Pretty Good Friends.

Dr. Helen Fisher, Biological Anthropologist, is a Senior Research Fellow at The Kinsey Institute, a member of the Center for Human Evolutionary Studies at Rutgers, and the Chief Scientific Advisor to the Internet dating site Match.com. Comedians Bowen Yang, Michelle Buteau, and Matt Koff learn about her research on why humans love, marry, cheat, and more. Hosted by Chris Duffy. Produced by Pretty Good Friends.

MIT's Dr. Rosalind "Roz" Picard helped invent the field of wearable computers. Now she's working on getting them to understand our emotions. Comedians Ken Reid, Josh Sharp, and Fareeha Khan learn about her research and get into their feelings in this special Cambridge Science Festival taping. Hosted by Chris Duffy. Produced by Pretty Good Friends. Made possible by generous funding from MIT's De Florez Fund for Humor.