Brain teaser puzzles are one of the best ways to sharpen the mind, and test one's critical thinking and problem-solving ...

A quick-fire quiz is leaving Brits completely baffled. You'll need to get at least eight questions right to prove you have ...

Only 1% of the Sharp Minds can Find the Word ' DOG' in the word grid in 5 seconds. Can you? Test your intelligence now!

Readers with sharp minds can find the cat’s real owner in the picture in 7 seconds. Are you one of them? Find out now!

Only those with an IQ as high as Einstein will be able to solve this fiendishly challenging brainteaser. In fact, you might ...

Although he warned that results from the test should not be used to measure innate intelligence or label individuals ...

Fewer than one in five people pass this IQ test, thought to be the shortest in the world only three questions long. The Cognitive Reflection Test has a pass rate of just 17 per cent, leaving the ...

How good is your home maintenance knowledge? It's time to find out with another round of, "What's Wrong With This Picture." ...

A new study has indicated that children with high IQ scores are more likely to be diagnosed with ADHD later in life.

The US Supreme Court ordered a federal appeals court to take another look at how it decided an Alabama man on death row was ...