The long and complicated history of why there are 360 degrees in a circle.
Science & Technology
The slippery subject of eel reproduction evaded human understanding for millennia.
Overshadowed between two dramatic missions, the success of Apollo 12 was vital to the continuing space project.
The work of Elizabeth Fulhame made huge leaps in science, despite the obstacles she faced as a woman.
The father of modern optics could not have succeeded had he not feigned madness.
Problems with public transport are almost as old as New York itself. One proposed solution was nothing but hot air.
In this episode Simon Schaffer, Professor of History of Science at the University of Cambridge, visits three events pivotal to the genesis of Isaac Newton's paradigm-shattering book the Principia Mathematica.
For most of history, different peoples, cultures and religious groups have lived according to their own calendars. Then, in the 11th century, a Persian scholar attempted to create a single, universal timeline for all humanity.
Autocrats have deployed automatons as weapons since antiquity, not just in myth but in reality.
As technology changes, so do ideas about the borders of the self and the nature of privacy.