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This is a straightforward vocabulary test, so if you've ever taken the SATs, this will feel totally familiar. Take the quiz here. It's highly unlikely you'll ever need to write something without spell ...

Lauren Silva, a freelance writer in New York City, believes in feeling good in your body and making that experience accessible to everyone across generations. The proof is in her ever-piling browser ...

Scientists have developed a quick test which measures what is known as "fluid intelligence." Researchers at the University California Riverside and University California Irvine wanted to find a ...

Intelligence quotient, usually shortened to IQ, is a measure of how well someone uses information, logic, and reasoning compared to their peers. The first test for measuring IQ was developed by ...

Forget IQ scores; true intelligence lies in subtle cognitive habits. Experts highlight rapid, flexible thinking, strong ...