The theoretical physicist and best-selling author finds inspiration in politics and philosophy for rethinking space and time.

Despite their wide variety of sizes, niches and shapes, sharks scale geometrically, pointing to possible fundamental ...

To see how one cube can pass through another, imagine holding a cube over a table and examining its shadow (assuming it’s ...

Imagine a town with two widget merchants. Customers prefer cheaper widgets, so the merchants must compete to set the lowest price. Unhappy with their meager profits, they meet one night in a ...