“The Copernican principle is a cornerstone of most of astronomy, it is assumed without question, and plays an important role ...

If you stayed awake in science class as a kid, the payoff comes when you get a good laugh out of Freya McGhee’s jokes.

As long as there have been poets, they have been writing war elegies. In this episode, Mark and Seamus discuss responses to the American Civil War (Walt Whitman), both world wars (W.B. Yeats, Wilfred ...