Discover a tricky maths optical illusion! Spot the hidden (a-b)³ cube binomial formula among complex equations on a ...

A model has revealed the very strict criteria she has for men — even giving them an IQ test to take on the first date. Candice Kloss, from New York, US, who hit the headlines last year after revealing ...

New York City, NY, Aug. 23, 2025 (GLOBE NEWSWIRE) -- In a major step toward democratizing cognitive assessment in the digital age, BestIQTest.org has launched its newly upgraded free IQ test with ...

American IQ test scores have dropped during a recent 13-year period, a remarkable finding that runs counter to the well-established trend of increasing IQ scores throughout much of the 20th century.

The intelligence quotient (IQ) is a standardized measure of cognition, or your ability to think, understand, reason, learn, and remember. By design, the average IQ score is 100. Higher IQ scores are ...