> The question is, does science contradict how maories build boats? as you claim in your next sentence > The question is not if Maori had incredible seafaring

> The question is, does science contradict how maories build boats? as you claim in your next sentence > The question is not if Maori had incredible seafaring skills and knowledge about navigation. so no, they work therefore they don't contradict science. And the thing is, that science class is anyhow highly simplified, so you may as well teach them in a Maori context.