Little progress had been made in solving Ramsey problems since the 1930s. Now, researchers have found the answer to r(4,t), a longstanding Ramsey problem that has perplexed the math world for decades.

BYD exports surge to record highs, but China sales fall for an eighth month amid price wars and weak demand, weighing on growth in 2026. For years, BYD’s vertical integration, aggressive pricing, and ...

We spend a lot of time thinking about the difficult people in our lives—the friend who can't take feedback, the partner who always has to be right, the coworker who turns everything into a fight. But ...

The National Council of Teachers of Mathematics makes the argument that teachers, principals, and district leaders must “stay up to date on current AI trends” to prepare students for the future. But ...

You’re reading The Financial Page, John Cassidy’s weekly column on economics and politics. In the early nineteen-nineties, when Arindrajit Dube was growing up in Seattle, where his parents were ...

Quantum computers are already here, but they make far too many errors. This is arguably the biggest obstacle to the technology really becoming useful, but recent breakthroughs suggest a solution may ...

In 2019, Monte Leifheit, a warehouse operator at 3M, noticed his left eye was bloodshot and swollen. What began as a minor irritation turned into a yearlong medical odyssey marked by the lack of a ...

I’m a new principal investigator (PI) with my own laboratory at a prestigious university. The PhD students who make it into our programme have already achieved a lot academically. But, sometimes, that ...

Some readers may solve the problem procedurally: line up the two numbers, add the ones column, carry the one, and add the tens to get 43. Others might instead notice a creative shortcut: 29 + 14 is ...

If you have encountered the error message “There’s a problem with this formula” in Microsoft Excel, you are not alone. Many users report this error appearing ...

Steven Bouma-Prediger seldom sees students walking between classes without their faces buried in their smartphones. This distraction transfers into the classroom, where Bouma-Prediger takes matters ...