The toxicity of mercury is well known. (At least, we hope it is.) But in 1937, that wasn't yet common knowledge. And that's how Barcelona ended up with a beautiful fountain that trickles pure, poisonous, liquid mercury. Well, that's part of the story, anyway.
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Key Facts In This Video
Sieur Freminet died after losing oxygen underwater while trying to perfect the scuba suit. 00:41
Carl Wilhem Scheele died of mercury poisoning after tasting many of the elements he worked with. 01:48
Marie Curie died of acute radiation poisoning after years of direct exposure to radioactive materials. 02:20
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