Helen Rozwadowski talks about the history of the oceans and how these oceans have shaped human history in profound ways. Rozwadowski is a professor of history at the University of Connecticut Avery Point. She is the author of Vast Expanses: A History of the Oceans (Reaktion, 2018).

Doctoral candidate Sarah Pickman talks about studying exploration for her Ph.D exams: specifically what it's like to read three hundred books and articles and then discuss them in front of a committee of professors.

Sarah Pickman talks about the literature of exploration. She offers some picks for categories of exploration books not commonly seen in indexes and bibliographies.

Artist Chiadikobi Nwaubani talks about his efforts to find, restore, and publish photographs from the colonial archives of West Africa. He also talks about his work re-interpreting these photographs using art and photo-manipulation.

Dr. Angelina Callahan talks about the Naval Research Laboratory's Project Vanguard. While this satellite mission was part of the Cold War "Space Race," it also represented something more: a scientific platform for understanding the space environment as well as a test vehicle that would provide data for satellites of the future.