In her book, “On Muscle: The Stuff That Moves Us and Why it Matters," journalist and author Bonnie Tsui explores the biology and beauty of muscles. (Drawing by Bonnie Tsui) For a long time, ...

Improve your figure drawing by understanding arm muscles and the armpit area! In this tutorial, we break down anatomy, muscle structure, and how the shoulder and arm connect, helping you draw more ...

As the doors of the Apostolic Palace in Vatican City were opening, Bonnie Tsui sprinted past the lines of tourists and through the galleries to the Sistine Chapel. Tsui, a college student at the time ...

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