A Cognitive Skill is the ability that enables us to think logically, and to learn, remember, and solve problems. In today’s ...

A stereogram optical illusion is a fascinating visual puzzle that hides a 3D image within a 2D pattern. At first glance, it appears to be a random collection of repeating designs or colourful dots.

You know those Magic Eye pictures? The ones that, if you stare at it long enough, you can see 3-D (without glasses). Here’s an attempt to … ...