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Frédéric Joliot-Curie, the son-in-law of Marie Curie, even mentioned it in his Nobel Prize speech, delivered in 1935 after he and his wife, Irène, discovered a way to cause radioactive decay to occur in otherwise non-radioactive materials, a phenomenon known as artificial radioactivity.

Or, on the other hand, radioactivity could bring about a dystopian nightmare in which, as Rutherford liked to say, "some fool in a laboratory might blow up the universe unawares" by inadvertently triggering a planetary chain reaction through some artificial radioactivity process.

We also see Marie’s pride in Irène’s own research on artificial radioactivity, which would win her and her husband Fréderic Joliot their own Nobel prize just a year after Marie’s death.

It found levels of artificial radioactivity in the mud were so low they would equate to being "not radioactive" in law.

Artfully, he implied that artificial radioactivity, especially as induced by neutrons, had been a discovery of the Rad Lab: “In my last letter I reported the discovery of radioactivity artificially induced in many common substances by bombardment of high-speed deutons. . . During the past two weeks we have found that an analogous effect is produced by neutron rays.”