text: In Poe's "Some Words with a Mummy," this substance regenerated the mummy back to life and the first stage direction in MacBeth calls for a version of this substance.
full_question: In Poe's "Some Words with a Mummy," this substance regenerated the mummy back to life and the first stage direction in MacBeth calls for a version of this substance. In an episode of the Munsters, this turns Herman into a normal looking person and in the Addams Family, Fester used this recover his memory. In Greek myth, Arges and Brontes create this substance that was used to kill Asclepius. In Back to the Future, Doc uses this to power the Delorean in 1955, and in Mario Kart this item shrinks everyone ahead of you. For ten points, name this substance often used to power toaster ovens, usually seen coming down from the sky because Zues is mad at you.
first_sentence: In Poe's "Some Words with a Mummy," this substance regenerated the mummy back to life and the first stage direction in MacBeth calls for a version of this substance.