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Dictionary.com has announced its 2025 Word of the Year, and if you're not up to speed on this year's slang, you may be puzzled by the outcome. The online dictionary announced on Oct. 29 that its Word ...

You may have heard kids say "six, seven". We unpack what's behind the latest slang making waves in playgrounds and online. The number 67 has been causing a commotion among kids lately. Try saying it ...

The meme exploded into youth culture with a video of a boy who delivers a giddy “six seven” at a basketball game. CAM WILDER The name of this fall’s most obnoxious classmate: Six Seven. Math teacher ...

Prime numbers are sometimes called math’s “atoms” because they can be divided by only themselves and 1. For two millennia, mathematicians have wondered if the prime numbers are truly random, or if ...

Imagine that someone gives you a list of five numbers: 1, 6, 21, 107 and — wait for it — 47,176,870. Can you guess what comes next? If you’re stumped, you’re not alone. These are the first five busy ...

You’re at the checkout screen after an online shopping spree, ready to enter your credit card number. You type it in and instantly see a red error message ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Prime numbers are essential for technologies like RSA encryption, which rely on the difficulty of guessing these numerals. A new paper shows that another area of mathematics called integer partition ...