Bonnie Tsui at the Harvard Science Center

Harvard Book Store, the Harvard University Division of Science, and the Harvard Library welcome Bonnie Tsui—longtime contributor to The New York Times and the bestselling author of Why We Swim—for a discussion of her new book On Muscle: The Stuff That Moves Us and Why It Matters. This event will take place at the Harvard Science Center, Hall D, located at 1 Oxford St, Cambridge. Following the presentation will be a reception and book signing in the Cabot Science Library across the hall from the presentation room.

There are two ticket options available for this event.

Free General Admission Ticket: Includes admission for one.

Book-Included Ticket: Includes admission for one and one hardcover copy of On Muscle.

Note: Books bundled with tickets may only be picked up at the venue the night of the event, and cannot be picked up in-store beforehand. Ticket holders who purchased a book-included ticket and are unable to attend the event will be able to pick up their book at Harvard Book Store up to 30 days following the event. This offer expires after 30 days. Please note we cannot guarantee signed copies will be available to ticket holders who do not attend the event.

From the bestselling author of Why We Swim comes a mind-expanding exploration of muscle that will change the way you think about what moves us through the world.In On Muscle, Bonnie Tsui brings her signature blend of science, culture, immersive reporting, and personal narrative to examine not just what muscles are but what they mean to us. Cardiac, smooth, skeletal—these three different types of muscle in our bodies make our hearts beat; push food through our intestines, blood through our vessels, babies out the uterus; attach to our bones and allow for motion. Tsui also traces how muscles have defined beauty—and how they have distorted it—through the ages, and how they play an essential role in our physical and mental health.Tsui introduces us to the first female weightlifter to pick up the famed Scottish Dinnie Stones, then takes us on a 50-mile run through the Nevada desert that follows the path of escape from a Native boarding school—and gives the concept of endurance new meaning. She travels to Oslo, where cutting-edge research reveals how muscles help us bounce back after injury and illness, an important aspect of longevity. She jumps into the action with a historic Double Dutch club in Washington, D.C., to explain anew what Charles Darwin meant by the brain-body connection. Woven throughout are stories of Tsui’s childhood with her Chinese immigrant artist dad—a black belt in karate—who schools her from a young age in a kind of quirky, in-house Muscle Academy.On Muscle shows us the poetry in the physical, and the surprising ways muscle can reveal what we’re capable of.

Bonnie Tsui is a longtime contributor to The New York Times and the author of the new book On Muscle: The Stuff That Moves Us and Why It Matters, a vivid, thought-provoking celebration of musculature that was named one of NPR's "Books We Love" 2025 and an Amazon Editors' Pick for Best Nonfiction of 2025; it is currently being translated into six languages. Her bestselling books include Why We Swim, a New York Times Book Review Editors’ Choice and a Time magazine and NPR Best Book of the Year, and American Chinatown, which won the Asian/Pacific American Award for Literature. Her work has been recognized and supported by Harvard University, the National Press Foundation, and the Best American Essays series. She lives, swims, and surfs in the San Francisco Bay Area.

Masks are encouraged but not required for this event.

The Harvard Science Book Talks series is a collaboration between the Harvard University Division of Science, the Harvard Library, and Harvard Book Store. The series features talks by the authors of recently published books on a variety of science-related topics and is open to both the Harvard community and to the general public. Typically, lectures are followed by a book signing with the author and refreshments.

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