Poison gas from High sulfur gas field blowout is so dangerous to dweller nearby. It was deemed right to prevent the people from death in inland that setting up safety distance abound the well head.

高含硫气田井喷有毒气体扩散对周围居民的危害很大，通过安全防护距离的方法保护井口周边群众是国内目前比较认同的做法。

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Prof Palli said that the bed bugs had developed a number of biological systems to avoid death by poison.

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It is thought that Greek philosopher Socrates became his own executioner - sentenced to death by drinking poison - and in ancient Athens it was said city magistrates kept a supply of poison for anyone wishing to die.

BBC: When suicide was illegal

Nasser al-Kidwa, who was the Palestinian observer to the United Nations, said toxicology tests showed "no known poison" -- though he refused to exclude the possibility that poison caused his uncle's death.

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