Have you got a sharp eye? Put your vision to the test by trying this puzzle, which asks you to spot the plane in the sky. As aircraft tend to be huge, you shouldn't think it would be that difficult.

One of these is cognitive tunneling, a phenomenon related to tunnel vision. In tunnel vision, of course, we focus on things that present themselves toward the center of our visual fields at the ...

conjure up the vision of a giant horse statue. Despite the clear view of the foliage, numerous Redditors were unexpectedly stumped when attempting to locate plane. One user quipped: "I don't know ...