translation.en: Protein folding, a topic that shares the incredible expansiveness of chess — there are more ways of folding a protein than there are atoms in the universe.
translation.zh: 蛋白质排列，一个同样令人难以置信的广阔的国际象棋的话题 — — 蛋白质排列方式要比在宇宙中的原子更多。