Science
Berzelius discovered thorium lurking in black minerals
HERE’S THE INTERESTING PART
Continuing his absolute obsession with heavy Scandinavian rocks, Berzelius examined a black sample sent to him by a local clergyman. He subjected it to complex acidic breakdown and found another highly radioactive element hiding inside. He inadvertently kept uncovering deeply dangerous elements with absolutely zero protective gear.
One discovery leads to another.
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