Cities turn out to follow mathematical rules and our dandruff shampoo turns out to be poisoning plants.

城市开始服从数学定律，并且我们的洗发香波竟然能够污染植物。

One of the greatest dangers to the 500 firefighters, however, comes not from the fires but from poison plants in the forest.

然而对500明消防员来说其中一个最大的危险，不是来自大火，而是来自森林中的有毒植物。