Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

TL;DR The root cause of the hack was a rounding direction issue that had been present in the code for many years. When the ...

Implications matter. If there is ‘only’ a 0.000003% chance something would break, but that would bring down a plane, and there are 35 million flights yearly, that would cause 100 plane crashes a ...

Social-emotional, behavioral, and mental health needs are outpacing what schools can provide. Can technology—namely AI—step ...

Polls are open Nov. 4, from 6 a.m. to 9 p.m. You can find your polling site on vote.nyc/page/find-your-poll-site Presently ...

Education – formal, informal, vocational, and professional – has always been central to a nation’s capacity to evolve ...

The standard interpretation of a null state, or empty state, posits it as devoid of structure. This paper introduces a ...

Dividend stocks are an essential building block of pretty much any kind of portfolio. They allow you to enjoy not one but two ...

In “The Great Math War,” Jason Socrates Bardi takes on a battle for the soul of numbers that divided the experts of its day.

This story is part of MIT Technology Review’s series “The New Conspiracy Age,” on how the present boom in conspiracy theories ...

1. Fast and Slow Piles. This works well as a starting or closing activity. Students sort math fact cards into fast and slow piles. This visual way of tracking facts highlights which facts come ...