This is a story about 13.4 million promotional drinking glasses. Really cute colorful glasses produced for McDonalds in a tie-in for the current hit movie, Shrek Forever After. All of said glasses recalled by said McDonalds (in both the U.S. and Canada) after it turned out that the pigments used to create those images contained the toxic metal cadmium.
Oops, you might say. Because cadmium has been known as a bad actor for close on 200 years. Almost since it was discovered, in fact. So before we return to the poisoned Shrek glasses, let's spend a little time on that history - and…
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