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.

A maths optical illusion is a fascinating trick where numbers, shapes, or patterns deceive our brain into seeing something different from the mathematical reality. These illusions use geometry, ...

San Francisco, CA, Aug. 29, 2025 (GLOBE NEWSWIRE) -- BestIQTest.org, the trusted leader in online cognitive testing, has officially launched its Real IQ Test 2025, delivering the most quick, legit, ...

People are getting dumber, according to science. There are a lot of theories why IQ tests are falling. Some say it’s bad food, poor schools, or obscene amounts of screen time. Others suggest it’s a ...

According to Mensa International, IQ is a score that identifies how far above or below someone is in comparison to others' mental ability. The term was coined in 1912, and since then, IQ tests have ...