1994年懷疑被人蓄意投毒的清華大學校友朱令上周五在北京去世，終年50歲。請看本報昨日的報道： Zhu Ling, the victim of an unsolved thallium poisoning case in 1994 that left her permanently disabled, passed away Friday, Tsinghua University said on its Weibo post Saturday. Zhu’s death was also confirmed by her father Wu Chengzhi to the news outlet Southern Metropolis Daily, the paper reported Saturday. Zhu, who majored in chemistry at the prestigious Tsinghua University, started to experience stomach pain, hair loss and other strange and debilitating symptoms in late 1994. She sunk into a coma four months later. 報道中的thallium poisoning就是“鉈中毒”，鉈是一種無色無味、能快速完全吸收、對人致死劑量為每千克體重10-15毫克的化學元素。 | 