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.

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 ...

Q. I have been taking 1 milligram of lithium orotate for four months. Within days, I noticed I was sleeping better. Slowly, I realized I was remembering names of the people I knew 40 years ago. I ...

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 ...

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 ...

In a dark room, in the middle of the night, a woman lies dreaming. Suddenly, her eyes beneath their lids dart crisply left-right, left-right. The eye signal means she knows she’s dreaming. Lucid ...

LONDON, Feb 20 (Reuters Breakingviews) - Not long ago, memory chip makers were in crisis. A post-pandemic supply glut in 2023 pushed prices into freefall, wiping out operating profits across the ...

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 ...

This article is the latest in the Health Affairs Forefront featured topic, Accountable Care for Population Health, featuring analysis and discussion of how to understand, design, support, and measure ...

Wikipedia has recently come under the microscope. I take some credit for this, as the co-founder of Wikipedia and a vocal critic of the knowledge platform for a long time. In September, I nailed ...

Retailers are putting up signs at cash registers warning customers that they're out of pennies. Some are rounding cash transactions, while others are simply asking for exact change. The US struck its ...