WURZBÜRG, Germany — What makes some people more intelligent than others? While we know that genetics and environment play important roles, scientists are increasingly looking at brain connectivity — ...

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Did you know you can customize Google to filter out garbage? Take these steps for better search results, including adding Lifehacker as a preferred source for tech news. If you work in the corporate ...

A recent study of cognitive analyses says the average intelligence quotient, or IQ, in the United States is about 98.