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A bigger brain doesn’t equal a bigger IQ, study finds

A human brain is shown. (AP Photo/Scott Eisen)

If brain size relative to body size determines IQ, the venerable shrew would be the smartest creature on the planet. But it doesn’t, and it’s not, and scientists from Austria, the Netherlands, and Germany have combed through 88 studies with more than 8,000 participants to confirm in the journal Neuroscience …

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