Version of ONE gene increases brain size, improves numerical skill

Researchers from Germany studied the genomes and brains of 178 young children - looking for links to their later maths test results after a couple of years at school. https://www.dailymail.co.uk/sciencetech/article-8868335/Brain-power-Version-just-ONE-gene-increases-brain-size-improves-numerical-skill.html?ns_mchannel=rss&ns_campaign=1490&ito=1490