IQ tests are one of the most popular puzzle games on the web. These are known for testing the intelligence and critical thinking skills of an individual. These challenges focus on the logical ...

Brain teasers are excellent for boosting critical thinking capabilities. These puzzles engage your brain and provide a healthy workout for the brain. By practicing these puzzles regularly, you will ...

This viral math puzzle is a great way to boost your brain power. Try to solve the final equation using logic and attention to ...

Add Yahoo as a preferred source to see more of our stories on Google. These quizzes won't give you an exact IQ number, but they will tell you how smart you are by testing your expertise in various ...

Do brain games essentially function as IQ tests? Research suggests they do. Data scientist Daniel Sternberg conducted an interesting analysis using Lumosity data. In his article titled Lumosity’s ...

Why go through trouble of taking an IQ test when you've got chemistry at your disposal? Researchers at England's John Radcliffe Hospital, in Oxford, report that our brain's pH--how acidic or alkaline ...