An optical illusion shared on X challenges viewers to find the number '62' hidden among a sea of '26's within 7 seconds. This brain teaser tests obser ...

Test your IQ and observation skills with this optical illusion challenge! Can you spot the hidden cat among the owls in just ...

Test yourself or your nearest and dearest with our roundup of the best riddles for adults - there's some easy, some hard and ...

Here are 100 riddles for adults perfecting testing your brain. Q: What must be broken before you can use it? A: An egg. Q: ...

Are you able to find the hidden O within the similar-looking Qs in only 15 seconds? This viral optical Illusion test will put your concentration and eyes to the test.

Sharpen your mind with this quick Tom and Jerry puzzle. Find 5 hidden differences in just 15 seconds and give your brain a ...

This visual puzzle challenges you to spot the lone "69" hidden among a sea of identical "66"s—testing your focus, pattern ...

Researchers are using machine learning, symbolic regression, and high-performance computing to explore and classify string ...

Challenge your IQ and observation skills with this picture puzzle. There are three coconuts cleverly camouflaged among teddy ...

Silicon Valley is divided over whether AI chatbots can think. But does the answer matter if they can still do your job?