We Might Run Out Of These Elements by Popular Science

It's easy to imagine running out of oil or water. Gadolinium? Not so much. From the batteries in our electronics to the alloys holding up our buildings, individual elements play crucial—if sometimes invisible—roles in the modern world. Getting all that we need, though, can take some doing. Some stores abound in shallow, easily-accessible mineral deposits, while others exist only in thin veins running through remote parts of our planet. This visualization shows why we rely on these salts and metals, where they come from, and how likely we are to use them all up.

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