Our brain and eyes can play tricks on us—not least when it comes to the expanding hole illusion. A new computational model ...

But there is a great consolation in being loved distinctly. And this love extends to the world around us: You may know the ...

Today’s optical illusion is challenging viewers to find a hidden "5" among a sea of "2s." The tricky pattern plays with human perception, making it hard to spot the odd number. Can you find it?