The great mathematician Stanislaw Ulam challenged the great economist Paul Samuelson to name a principle in the social sciences that was both true and nonobvious. Samuelson thought for a bit, then ...

Paul Samuelson, an undisputed titan of 20th-century economics, was once challenged by the mathematician Stanislaw Ulam to name a single proposition in all social science that was both true and ...

On 2 April, President Donald Trump didn’t just shock the world with his reciprocal tariffs announcement—he also upended 200 years of trade wisdom. Most of us take free trade and global supply chains ...

The growing field of transnational or global history spotlights connections among nations and empires. This essay suggests ways in which historians of modern Japan might contribute to transnational ...

Let’s say for now that the day comes when robots and artificial intelligence can outperform human beings at every conceivable job, from waxing floors to waxing eyebrows to waxing philosophical at a ...