A simple math problem sparked heated debate on Chinese education forums two years ago.

A deceptively simple math problem has left the internet stumped, proving it may be far trickier than it appears at first glance. The mathematical brain teaser, posted Friday by X user @BholanathDutta, ...

On a simple math task - indicating which of two amounts is greater - kids with math learning disability get the right answer as often as their good-at-math peers, but behind the scenes, their brains ...