Friedrich Kekule discovers the unique ring like structure of the molecule benzene right after he wakes up from a day-dream about snakes chasing their own tails and forming rings.

弗里德里希·凯库勒发现分子苯的结构想一个环状的客观事实，正是醒于当天的一个白日梦后知道的，在梦里他梦见一群蛇都在追逐着各自的尾巴，于是形成了好多环形。

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Two days before the exam, he had a dream, the dream oneself in the wall, the dream that cabbages, some day go find lots of benzene fortune-teller.

考试前两天他做了一个梦，梦到自己在墙上种白菜，这个梦似乎有些深意，秀才第二天就赶紧去找算命的解梦。

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Someone who is around a smoker inhales more benzene, a cause of leukemia, than he or she would inhale spending the same amount of time filling a car with gasoline.

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He also prepared period paints, thinned with benzene to accelerate drying.

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He said second-hand smoke contained more than 4, 000 chemicals, including benzene, formaldehyde, arsenic, ammonia and hydrogen cyanide.

BBC: NEWS | UK | Northern Ireland | Legal threat over passive smoking