Spot the hidden cat in this optical illusion image within 7 seconds! Test your observation skills and prove you can find the ...

IQ tests are tricky puzzles that test your ability to observe minute details. These puzzles challenge you with situations ...

Ready for a true test of brain and sight? This inverted optical illusion has fooled thousands. If you claim a high IQ of 151 ...

The 'rickety bridge' test is a classic brain teaser that only people with a high IQ are likely to crack in less than 30 seconds - so how long will it take you?

New research complicates the old consensus that IQ is largely fixed, and that's good news for anyone looking to boost their ...

It's time to dismantle the intellectual hierarchy in our organizations. Our assumptions about human potential are not just ...