Optical illusion puzzles are more than just fun, they are a powerful way to gauge your IQ, sharpen your focus, and challenge your brain. These intriguing optical illusion images with hidden surprises ...

Challenge your brain with this optical illusion IQ test! Spot the hidden needle in just 5 seconds. Test your observation ...

Can AI pass Humanity’s Last Exam? Discover the bold benchmark redefining artificial intelligence and its potential.

Optical illusions are fascinating puzzles that challenge the brain to think outside the box. These cleverly crafted images ...

Editor’s Note: The multiple intelligences quiz has been removed from Edutopia. While the test was a useful tool to explore different ways in which intelligence can be understood, research calls into ...

How clever are you and how does your brain power compare to the rest of the UK’s? Is your smartphone making you stupid? Can you make yourself more intelligent? When it comes to measuring ...

Do you wonder what your facial features, like your nose or lips, say about you? According to some personality tests, ...

Horizon: The Great British Intelligence Test is on BBC Two, Monday 4 May at 9pm with Dr Michael Mosley and Dr Hannah Fry Play along while watching the programme – or discover your brain age and ...