Over six missions, the Apollo astronauts collected and brought back 842 pounds of Lunar samples. Most of those Moon rocks were put aside for science, but some were earmarked for things like touch rocks (like we have at NASM) or educational disks (which you might have seen if you had a particularly cool science teacher growing up) and to countries and states as diplomatic gifts. But who decides what rocks go where? And how in the heck did the National Cathedral get a rock to put in a stained glass window??

Thanks to our guests in this episode:

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