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

Do you have a sharp eye? This optical illusion is the best way to put your observation to the test! Only sharp-eyed and very clever people can spot the hidden mouse in the kitchen within nine seconds.

Straining blocks clarity. The harder we force things, the more we limit creativity, connection, and insight. Wu-wei is the ...