DiscoverBig ThinkThe science of the “self” — explained by a biologist | Michael Levin
The science of the “self” — explained by a biologist | Michael Levin

The science of the “self” — explained by a biologist | Michael Levin

Update: 2025-09-21
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How do “you” emerge from a collection of cells? A biologist explains.

The concept of the “self” has long been considered philosophically significant: a foundation for exploring who we are and why we’re here. But where does the self begin?

Developmental biologist Michael Levin explores this question, explaining how the “self” is constantly being constructed and created, starting in the early moments of embryogenesis.

Levin argues against binary categorizations of selfhood, emphasizing that it is a continuous phenomenon with no sharp lines between different stages of development. Using the example of self-organizing cells in the formation of the embryo, Levin also asserts that the self is not a singular entity — rather, it is a collection of structures working together toward a specific goal.

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The science of the “self” — explained by a biologist | Michael Levin

The science of the “self” — explained by a biologist | Michael Levin

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