Optical illusions have fascinated scientists, psychologists, and artists for centuries because they reveal one simple truth ...

Shake your head and tell what do you see hidden in this optical illusion image. There is an animal obscured by these moving ...

Practice results in better learning. Consider learning a musical instrument, for example: the more one practices, the better one will be able to learn to play. The same holds true for cognition and ...

Draw what you see, not what you think what you see, is probably a recommendation that you've heard a lot if you're a beginner artist, but it can be harder than it might sound. It also raises questions ...

For a translator to turn one language (say, English) into another (say, Greek), she has to be able to understand both languages and what common meanings they point to, because English is not very ...