44. Ruthenium: The Glow Cloud

Element 44 is technically not named for Russia… but perhaps it should be.

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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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39. Yttrium: It’s A Quiet Village

Welcome to the sleepy Swedish town of Ytterby. I hope you like it, because we’ll be spending an awful lot of time there later in the series.

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37. Rubidium: What’s Cooler Than Being Cool?

Rubidium is more explosive than the alkali metals above it on the table, but it’s much more interesting when it’s standing almost perfectly still.

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