Classic print ads never go out of fashion, and if its constant resurfacing on social media is anything to go by, Pepsi's 2021 'optical illusion' campaign poking fun at Coca-Cola is up there with the ...

Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...

This viral Reddit challenge hides a cat so well among the logs that most people can’t find it in 15 seconds. Only a handful of people have been able to spot the cat in this viral optical illusion ...

If you have never seen an optical illusion, it is an image that makes you see things differently than they actually are. Optical illusions trick your eyes into believing you see something that is not ...

Test your mind with a fun optical illusion! Hidden among a sea of 'o's is a sneaky '0'. Spotting it reveals whether you're more creative or logical. Quick finders are analytical, detail-oriented ...

One excellent tool for assessing a person's intelligence is an IQ test. These assessments ask readers to solve a problem—which could be a picture, puzzle, riddle, arithmetic problem, or statement—in a ...