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Humans

Smarter every day: Increasing intelligence changed how we see IQ

Identical twins raised apart have similar IQ – so intelligence is all about genes? Not so, said James Flynn. His latest book picks apart nature and nurture

By Alun Anderson

27 July 2016

Woman showing toddlers a children's book

Families can boost our cognitive powers – at least up to late teens

David Hurn/Magnum

JAMES FLYNN has changed the way the world thinks about one of the things we care most about.

Cover of Does Your Family Make You Smarter? by James R. Flynn

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