Think of it as a math trick wearing a magic costume. The sequence of steps — subtract, double, add, food, color — looks like free choice at every stage but isn't. The constraints narrow the ...

Learn easy mental maths tricks for percentages, multiplying by 11 and the Rule of 72 to boost everyday confidence.

You might be trusting AI in ways that can cause serious trouble. I've tested chatbots extensively, and these are 10 tasks I'd never let them handle.

AI has driven an explosion of new number formats—the ways in which numbers are represented digitally. Engineers are looking at every possible way to save computation time and energy, including ...

Reader Chris in Fairfax asks: As people approach retirement, they get hit with a lot of targeted ads and sponsored content talking about the "magic number" for retirement, and as you point out, it's ...

Digitally delicate prime numbers become composite with this one weird trick. Math researchers proved these primes exist using the bucket proof method. There are no known examples so far, but ...

Is your idea of El Niño and La Niña mainly informed by a 1990s-era Chris Farley sketch from “Saturday Night Live?” The late comedian’s definition was hilarious, albeit a bit lacking in scientific ...

A rare collection of tools and tricks used by legendary magician Harry Houdini for seemingly inexplicable escape acts — including handcuffs and neck and leg shackles — are now on display a century ...

A new mathematical shortcut has cut the core calculations inside earthquake ground-shaking simulations by about 1,000 times without sacrificing accuracy. That leap in speed could make it far easier ...

A magician teaches a simple yet impressive magic trick anyone can perform at home. Marjorie Taylor Greene recalls Trump’s ominous warning about exposing Epstein files Air Force One will sport Trump’s ...