There was more than a bit of head-scratching by critics and audiences when writer-director Ruben Östlund’s “The Square” was awarded the Palme d’Or at this past summer’s Cannes Film ...

His options: a square outline, an illusory “square” made of four Pac-Man-like shapes, and the same Pac-Man shapes that didn’t form a square illusion. The test: ...

If you've spent any time around cats, you've probably noticed that they love to curl up in small, cozy boxes. What you may not know is that they'll also go sit inside the two-dimensional outline ...