Mother tongue may determine maths skills by Roxanne Khamsi FROM New Scientist

When using the abacus doesn't work they'll suggest exposing children to the Chinese language at a young age. When that doesn't work they'll try leaving the kids with a Chinese family for some time. And when they figure out this doesn't help either, Westerners will finally think it might be easier just to find a Chinese spouse--but by then Chinese may no longer be so keen on marrying Westerners.