48. Cadmium: Don’t You Know That You’re Toxic?

Cadmium will let you choose among a range of orange-ish hues, but it’s some pretty awful news if you contract the “cadmium blues.”

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47. Silver: Our Own Image

Silver is more than just a precious metal. It’s also a reflection of ourselves.

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43. Technetium: Naturally Synthetic

It’s only after we gave up searching for this element that we found it out in the universe.

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