Podcasts of the Year: Cleo, the Mysterious Math Menace

In 2013 a new user named Cleo took an online math forum by storm with unproved answers. Today she’s an urban legend. But who was she? A 2023 editor's pick.

https://www.scientificamerican.com/podcast/episode/podcasts-of-the-year-cleo-the-mysterious-math-menace/