Catarina Madruga talks about Portuguese exploration in the nineteenth century as European powers made plans to conquer Africa and colonize its peoples. Madruga is a post-doctoral researcher at the Natural History Museum of Berlin. She’s the author of “Expert at a Distance: Barbosa du Bocage and...

Historian of science Jeffery Mathias talks about scientific experiments in isolation during the Cold War. Mathias is the author of the Ph.D dissertation, "An Empire of Solitude: Isolation and the Cold War Sciences of the Mind.”