The latest viral math problem involves a playful illustration of ice cream cones. It was created by artist Gergely Dudás, who is known for his tricky hidden object puzzles. The brainteaser consists of ...

For all of the recent strides we’ve made in the math world—like a supercomputer finally solving the Sum of Three Cubes problem that puzzled mathematicians for 65 years—we’re forever crunching ...

The original version of this quiz misstated a figure in question two.

I’ve been out of school for decades, and I don’t spend my days solving equations (I’m more of a word person). Still, I like to think I have a solid grip on basic math: I can usually gauge whether a ...