Template:Selected anniversaries/October 21

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  Green Spiral 9 now online.

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  Radon Lake contained within high-energy plasma bubble.

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  Cleopatra dies of asp bite and IBM-PC.

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  Music educator Joseph Schillinger assures Rhythmicon that it will grow up to be a full-fledged drum machine (nonfiction).

• Eel's henchmen

  hypnotize and recruit henchmen]].

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  Red Eyes and Computational Human Phantom may form crime-fighting team.

• 

  Baby bird with egg tooth is adorable and menacing at the same time.

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  Venn diagram (nonfiction) shows intersection of "Bread mold flavor", "Best flavor", and "Crazy talk".