You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. Follow Andy Kiersz Every time Andy publishes a story, you’ll get an alert straight to your inbox!

This math trick can help you multiply any two-digit number by 11. Arlene Resendiz is TikTok’s resident math whiz. When she’s not working as a professional tutor, she’s teaching the internet the ...

Sometimes the easiest, simplest way to liven up a party, sleepover, family gathering or presentation to a class is to perform a magic trick. Most magic tricks require fancy costumes and props, but ...

You're on the trading floor, trying to price out if a 15-year bond issued by General Electric will generate the returns needed to placate your investors. Bad news, your calculator is dead and the ...

Coral reefs can be crocheted. The atmosphere can be knit. And a stop sign can be folded into a pair of pants. Welcome to the intersection of math and handicraft. Unexpectedly, handicraft in general, ...

A simple finger trick for the 11 times table is helping secondary school students aged 12 to 16 improve mental arithmetic ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

A puzzle asking people to work out the value of an apple, a banana and half a coconut has driven social media friends apart. The puzzle looks simple: it just asks people to do some obvious algebra, ...