Optical illusions are powerful IQ tests that reveal how sharp ... challenging even the brightest minds. Personality Test: ...

Get ready to challenge your brain with this brain teaser IQ test that tests not just your intelligence but also your ...

Studies have shown that people who excel in solving optical illusion puzzles often possess strong analytical skills and high ...

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

The clock is ticking! You have only five seconds to spot the photographer hidden in this optical illusion puzzle. This isn’t ...

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

This optical illusion puzzle challenges participants to identify which of four glasses holds the most water, factoring in the displacement caused by various objects within each glass. The task ...

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

Kamala Harris indicated she'd be open to taking a cognitive test. Harris has also suggested that under her presidency, the ...

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

Trump called for Harris to take and "pass a test on Cognitive Stamina and Agility ... Former Fox News host Tucker Carlson called Harris "low IQ," in his remarks on stage at Madison Square ...

Kamala Harris responded to Donald Trump's calls for a cognitive test and argued the former president is 'unfit' to serve ...