IQ tests: are humans getting smarter?

By Roger Staff, Honorary Senior Lecturer in Ageing, University of Aberdeen
Lawrence Whalley, Emeritus Professor of Mental Health, University of Aberdeen

From the algorithms that make our social media accounts function to the sleep-tracking technology in our smartwatches, the world has never seemed so technologically advanced and developed. Which is why it would be easy to assume that with each generation, humans are getting smarter. But is this the case?

It’s a question many scientists have pondered, particularly so given that throughout the 20th century the average score on IQ…

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