An optical illusion showing an office scene puzzled users on Facebook as they struggled to count how many people were actually in the room. Optical illusions are a fascinating type of brain teaser ...

Can you count all the squares in this viral optical illusion?(Facebook/Minion Quotes) (Also read: Optical illusion: You've got superhuman eyesight if you can count all the hidden dogs correctly ...

A Facebook page called Minion Quotes recently shared this optical illusion, which shows a flock of happy white ducks scattered across a bright yellow background. At first glance, the picture ...