Optical illusions are visual puzzles designed to trick the human mind and challenge its ability to notice fine details. These ...

Source: CBD.co A group of faces can be seen in this picture. Hiding in plain sight among the group of people is a smiling face. Here you go. The smiling face is not present on the right side of ...

Of the six billion emoji that are sent globally every day, around 70% are emotion based – for example, smiley face, love hearts. A smaller proportion of the emoji sent are sad expressions.

This is a fun personality challenge that asks participants to spot a hidden smiling face among neutral expressions in an ...

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 ...