Cloud-watching is one of the best pastimes for a lazy spring or summertime weekend – just stretch out on the grass and let your imagination wander as you spot the faces and images in the clouds.
Our tendency to see faces or images in random objects is called pareidolia. Renowned astrophysicist Carl Sagan theorized that this hard-wired tendency evolved as a way to quickly identify faces at a split-second (even in poor visibility), allowing us to identify them and judge their emotional state in the blink of an eye.
