“The study of movement is a science of the imperceptible...” In the final episode of my series on scientific concepts, I talk with historian of science and culture, Janina Wellmann, about the mystery of motion, movement, and stillness.

I talk with author of The Invention of Nature: Alexander Von Humboldt's New World and Magnificent Rebels: The First Romantics and the Invention of the Self, Andrea Wulf about the meeting point of science and art... and why it matters so much. Episode six in my series on how science intersects...