I would cut off my right hand if you find it.” That was the guarantee retired Columbia history lecturer Jens Ulff-Møller made that there was no word for “million” in Old English, a medieval predecessor of the language you’re currently reading. Some Anglo-Saxon writers understood the idea of a million, and they had a term for it: a “thousand […]

The surprising power of Neil Sloane’s Encyclopedia of Integer Sequences.

We’ve predicted and broken human population limits for centuries.

If you think computers have gotten really good at solving problems—like voice recognition, or self-driving cars—then your mind would be blown by what they could do if P = NP. Internet cryptography would come crashing down. Voice and image recognition would become near-perfect. Mathematical proofs would be greatly simplified. The stock market would dramatically change. […]

Andrew Wiles thought he had a solution to an age-old puzzle. Until it began to unravel.

Workers count votes at a polling place in Worcester, Mass.SuperStock via Getty Images Last Thursday the UK’s Conservative Party stomped to an electoral victory that fairly shocked the country. The Tories won a comfortable majority of seats in parliament, enabling them to govern the nation without a coalition partner. That result contrasted sharply with the […]