The image invites viewers to look quickly and note whether they see a smiling face or the moon. Seeing one image will indicate that your greatest fear is loneliness which can prevent you from ...

Test your keen perception with this optical illusion challenge that dates back to ancient Greece. Discover how our brains ...

To watch the opening of the hit supernatural horror film before it starts streaming this month, just flash your best creepy ...

Discover how our brains process images in just milliseconds and identify the one smiling face among frowns in nine seconds. Visual puzzles are known to enhance brain health and demonstrate ...