Optical illusions to find the hidden objects and numbers are effective at revealing your brainpower and visual IQ. How sharp ...

Optical illusion puzzles have been there for centuries and these are fun challenges that are designed to play tricks on our eyes and brains. Optical illusions work on a simple principle where it ...

NEW YORK CITY, NY, Jan. 14, 2026 (GLOBE NEWSWIRE) -- bestiqtest.org today announced that it continues to lead the online IQ ...

To check your cognitive skill and IQ level, there are many ways, but among these, brain teasers are the best and fun game to test your logical and thinking skills with your observation level. These ...

Add Yahoo as a preferred source to see more of our stories on Google. The IQ of President-elect Donald Trump was a topic of discussion well before he ran for office, with Trump himself declaring: "I ...

This 1937 version of the Stanford-Binet Intelligence Scales was produced in the United States. It used objects because this IQ test was aimed at children. Credit: SSPL/ Getty Images The Hechinger ...

Who has the highest IQ in history? One answer would be: a 10-year-old girl from Missouri. In 1956, according to lore, she took a version of the Stanford-Binet IQ test and recorded a mental age of 22 ...

A Brain teaser is a type of puzzle which requires thinking and logical skills. In these types of puzzles, even math riddles ...