Are you ready to put your observational skills to the test? This Picture Puzzle IQ Test challenges you to find the Mom in ...

Optical illusions are powerful IQ tests that reveal how sharp your observation skills are! These cleverly designed images ...

Challenge your attention span and observation skills! Somewhere in this image, 6 differences are waiting to be found. But ...

If you can solve this in under 5 seconds, you are typically gifted with high critical thinking abilities and can process ...

With Trump and his followers repeatedly using ‘low IQ’ as an attack line in this election, Roisin Lanigan explores the ploy ...

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.

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 ...

One 2016 study found that students who procrastinate tend to score higher on IQ tests, showing them to have better cognitive abilities. Perhaps the strangest odd habit that indicates a person has ...

In 2002, the Supreme Court ruled that executing someone with an intellectual disability violates the 8 th Amendment’s ban on ...

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

Vice President Kamala Harris told CBS News's Norah O'Donnell that she'd take a cognitive test when asked about Donald Trump ...