Exclusive Detective Challenge! Only 3% of people can solve this bracelet theft puzzle. Ready to test your brainpower?

If you can spot the word NINE in this optical illusion under time pressure, you are in the top tier of intelligent and detail ...

Brain teasers like this one challenge your logical reasoning and critical thinking while honing your ability to focus on ...

Did you know solving picture puzzles can significantly enhance your IQ and mental sharpness? Research suggests that visual ...

Find out how smart you are (and increase your IQ) with our classical IQ test. This classical IQ test measures several factors of intelligence, namely logical reasoning, math skills, language ...

Test Your Eco-IQ Quiz, Part 1 From PV cells to CFLs, there's a lot you can do to help reverse global climate change and live a more ecofriendly life. Take this quiz and see what you know about ...

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The following IQ test is designed to test non-verbal intelligence while minimizing cultural or educational biases. It's a culture fair IQ test that will measure your intellectual ability ...

For decades, scientists and other researchers have focused primarily on intelligence--usually measured through IQ tests--as the most significant predictor of success. However, there are forms of ...

A BOY of ten is joining Mensa after beating Albert Einstein and Stephen Hawking in an IQ test. Whizzkid Krish Arora got the ...

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