Test your observation skills with this picture puzzle IQ test! Can you find the odd Grinch in just 24 seconds? Find out now!

If you spot the crocodile under such time pressure, it tells that you have strong attention to detail and high intelligence.

For centuries, brain teasers have intrigued and challenged people, offering a fun and engaging way to enhance mental ...

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

Picture puzzles are a form of brain teaser that tests the reader's critical thinking and problem-solving skills. These ...

A US startup, Heliospect Genomics, is offering wealthy couples the option to test embryos for IQ amid growing ethical debates ...

Brain teasers and IQ tests not only entertain but also boost critical thinking and cognitive skills. The challenge involves ...

One odd habit that usually indicates a person has a high IQ is learning lots of different skills. They feel a need to be ...

People with high IQs are more likely than others to be heavy drinkers but less likely to binge, according to medical ...

Thyroglobulin levels during pregnancy were associated with lower early childhood IQ and increased risk for subclinical hyperthyroidism.

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

Another indicator that someone has a high IQ but no confidence is if they need constant reassurance. Crying in their friend's ...