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Mom shares brilliant way to make use of common kitchen scraps: 'Not sure why I never considered this'

"Totally going to try this!" Mom shares brilliant way to make use of common kitchen scraps: 'Not sure why I never considered ...
University of Nevada, Reno

Ask the Professor: Why do we use a sideways 8 to represent infinity?

Professor Raúl Rojas has published a book about how symbols have been used throughout history in mathematics. The work was translated into English this year.