And they were in luck, 'cause a few years earlier a neuroscientist had discovered that one scorpion known as the deathstalker had a special ingredient in its venom called chlorotoxin.

他们很幸运，因为几年前，一位神经科学家发现一种被称为死亡跟踪者的蝎子毒液中含有一种叫做氯毒素的特殊成分。

Now, scientists are looking to these new sources of venom --like the sea anemone-- to treat autoimmune diseases and the deathstalker scorpion for an entirely different use-- imaging brain tumors during surgery.

现在，科学家们正在寻找这些新的毒液来源——比如海葵——来治疗自身免疫性疾病，而死亡猎手蝎则用于完全不同的用途——在手术期间对脑肿瘤进行成像。