Science starts with a desire to answer the unanswered; a fascination with what makes us, us. And for many scientists, this feeling stems from a specific question, usually at a young age.

Robert Blelloch, MD, PhD, is a Professor of Urology; Obstetrics, Gynecology and Reproductive Sciences; and Pathology at the University of California, San Francisco. For him, it began with the realization that everything living starts in the same way and that when it comes to people vs worms, we’re more similar than we think.

Love Letters to Science is a series of short films in which five scientists share the story of how they fell in love with science – and how it helped them find their collaborators, their people, and their community.

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explains how he came to be solving one of the world’s largest health burdens.


explains how a small discovery made by one scientist can empower us all.


uses science to answer a fundamental question: what makes us human?

Man-Yee Lee

shares why we should feel optimistic about getting older.

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