Before we begin, you should know that there are approximately 930 million left-handed people in the world. But can dominant sides lead people to be better (or worse) in specific subjects? Actually yes. Left-handed individuals are better at mathematics. To reach this conclusion, researchers from the University of Liverpool and Milan conducted a study of 2,300 Italian students aged 6 to 17 years old. These students were given a mathematics test consisting of easy questions such as addition and subtraction, and also more complex problems. Then each student was tested to determine the percentage

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