ONLY people with the keenest of eyes can spot the numbers hiding within these optical illusions. A pair of digits are obscured by colourful lines and patterns in each of the four images – which get ...

IF YOU can spot the hidden numbers in these optical illusions, you’ve got a keener eye than most. Two digits are obscured by colourful lines and patterns in each of the four images – which get ...

Optical illusion puzzles have been there for centuries and these are fun challenges that are designed to play tricks on our eyes and brains. Optical illusions work on a simple principle where it ...

A viral optical illusion challenges you to find the hidden number '788' amidst a crowd of '789's' in just 7 seconds. This test of sharp eyesight and quick observation highlights how our brain can be ...

Optical illusions are the latest trend on social media. The latest puzzle to go viral is an easy 'find the number' game, where players have been asked to identify the hidden number 38 in this viral ...

Optical illusions can be as frustrating as they are fun, and this viral one is absolutely no exception. Inside a grey and black swirled pattern there is a number hidden away, but for a lot of people ...

They baffle, delight, and frustrate millions of people around the world on a daily basis. But even the most dedicated Sudoku-solver might have never spotted this secret pattern. Mathematicians have ...