Optical illusions are more than just mind-bending images—they are a powerful way to test your IQ and observation skills.

Have you ever found yourself needing help with a deceptively simple puzzle? This brain teaser is a perfect example of a ...

The number 45 is hiding expertly among the grid of 44’s. Only sharp-eyed readers can spot it in 5 seconds. Are you one of ...

Do you think of yourself as a bit of a genius? How about a maths whizz? If so, check out this baffling calculation that has ...

Challenge your brain with this tricky optical illusion! Spot the hidden deer in the jungle scene in just 5 seconds and test ...

THIS mind-boggling optical illusion has puzzle fanatics stumped and struggling to find the answer – but do you have what it ...

SPOTTING the mess in the bedroom is easy, but can you outsmart everyone and find the hidden spider? Time to put your vision ...

This optical illusion puzzle challenges participants to identify which of four glasses holds the most water, factoring in the ...

SPOTTING the numbers in this brainteaser is easy, but can you outsmart everyone and find the odd one out? Time to put your ...

Recent research suggests that the disease can diminish intelligence even years after symptoms resolve. It's one more reason ...

An 'IQ test question' has been shared to TikTok by Online Training 4 Everyone and it aims to reveal how many Brits have a ...

Participants with higher IQ levels were significantly more likely to be moderate or heavy drinkers, as opposed to abstaining.