Tina Adcock talks about the controversy over George Putnam's Baffin Land expedition and why it tells a bigger story about the changing culture of exploration in the 1920s. Adcock is an assistant professor of history at Simon Fraser University. She’s...

Benjamin Hopkins talks about the concept of the frontier: how it exists not merely as a place on a map but as a set of practices used by colonial states around the world. Hopkins is an associate professor of history at George Washington University....

Claire Isabel Webb talks about the search for extraterrestrial life and the different strategies used by astronomers and exobiologists to look for it. Webb is a PhD candidate at MIT's History, Anthropology, Science, Technology, and Society Program....

Al Zambone talks with me about American polar exploration, the origin of Time to Eat the Dogs, and the history of science as an academic discipline. Zambone is the host of the podcast Historically Thinking. He’s the author of Daniel Morgan: A...

Lukas Rieppel talks about dinosaur fossils in the Gilded Age  – from the discovery and excavation of fossils in the American West to the re-construction of fabulous creatures in museums that were the darlings of wealthy philanthropists. Rieppel...

Annette Joseph-Gabriel speaks to Jessica Nabongo about her quest to be the first black woman to travel to all of the countries of the world. Joseph-Gabriel is an Assistant Professor of French and Francophone Studies at the University of Michigan,...

Lisa Ruth Rand talks about the Starlink satellite program. She also talks about Project West Ford, which attempted to create an artificial ionosphere in 1961 by launching millions of copper needles into orbit. Rand is the Haas Postdoctoral Fellow at...

Lachlan Fleetwood talks about debates about altitude sickness in the Himalaya and the ways these debates became tied up with ideas about the physiology of Europeans and Himalayans in the 1800s. Fleetwood is the author of “Bodies in High Places:...

Fiona Vernal talks about the migration stories of Hartford Connecticut’s many communities. Vernal is an associate professor of history at the University of Connecticut and the creator of the exhibition “From Human Rights to Civil Rights: African...

Kate Hollander talks about Bertolt Brecht’s life and work. She also talks about the community of artists who were his friends, lovers, and collaborators. Hollander is a historian of modern Europe. She’s also the author of a book of poems, My...

David Woodman talks about his quest to find the missing wrecks of the Franklin Expedition, a mission that led him to the journals of the Arctic explorer Charles Hall who lived with the Inuit for four years and recorded their encounters with British...

Annette Joseph-Gabriel talks about black women writers, decolonization, and travel. Joseph-Gabriel is an assistant professor of French and Francophone Studies at the University of Michigan, Ann Arbor. She’s the author of Reimagining Liberation: How...

Sarah Qidwai talks about her research on Sayyid Ahmad Khan as well as her own journey to Mecca and Medina. Qidwai is a Ph.D candidate in the History of Science at the University of Toronto. Her essay “Reexamining Complexity: Sayyid Ahmad Khan’s...

Richard Read talks about the troubled life of the Coast Guard's sole heavy icebreaker, Polar Star. Read is the Bureau Chief of the Los Angeles Times in Seattle. He is the winner of two Pulitzer prizes for his investigations on the Asian...

Elizabeth Leane talks about Sidney Jeffryes, radio operator for Douglas Mawson’s Australasian Antarctic Expedition in 1913. Jeffryes’ struggle with mental illness challenged Mawson’s expedition party as well as the way Mawson tried to present...

Bathsheba Demuth talks about the history and exploration of the Bering Strait, from the early 1800s to the present day. Demuth is Assistant Professor of History & Environment and Society at Brown University. She’s the author of Floating Coast:...

Jordan Bimm talks about early experiments in space medicine involving subjects who did not resemble the white male test pilots who would become America's first astronauts. Bimm is a Postdoctoral Research Fellow at Princeton University. He’s the...

Rebecca Priestley talks about her journeys to Antarctica and the process of bringing them to life in her writing. Priestley is an associate professor at the Centre for Science in Society at Victoria University of Wellington in New Zealand. She is the...

Dr. Beth Taylor talks about the physiological differences between men and women athletes and why ultra-endurance events seem to offer certain performance advantages to women. Taylor is an associate professor of kinesiology at the University of...

Paige Madison talks about recent discoveries at the Liang Bua cave where researchers are trying to understand the complicated story of the hominin Homo Floresiensis. Madison is a PhD candidate in the history of science at Arizona State University...

Daniel Kennefick talks about resistance to relativity theory in the early twentieth century and the huge challenges that faced British astronomers who wanted to test the theory during the solar eclipse of 1919. Kennefick is an associate professor of...

Dr. Namrata Goswami talks about the Chinese space program and its ambitious plans for lunar exploration. Goswami is a strategic analyst on space and great power politics. She’s the author of many books and articles including Great Powers and...

Director Robert Stone talks about his film Chasing the Moon, a three-part documentary which aired on PBS’s American Experience for the fiftieth anniversary of the Apollo 11 mission.

Kim Walker talks about the history and science of cinchona bark as a tonic, medicine, and mixer. Walker is a biocultural historian completing her PhD work on the Cinchona Bark Collection at Kew Gardens. She’s the co-author (along with Mark Nesbitt)...

Amy Shira Teitel talks about Apollo and the community of people who are deeply attached to space history. Teitel is a spaceflight historian and the creator of the YouTube Channel, Vintage Space. She is also the author of two books, Breaking...