Around 1 in 10 people are left-handed Eva-Katalin/Getty Images
Fewer than 3 per cent of people in China report being left-handed, despite the global average being closer to 10 per cent. Researchers think the difference is probably due to a continuing cultural stigma against left-handedness, which is less of an issue elsewhere, rather than genetics.
Hugo Spiers at University College London and his colleagues are overseeing a long-running study that assesses people’s ability to navigate using the mobile phone game Sea Hero Quest.
As part of this research, more than 400,000 …
