A protocell drifts in the shallow, mineral-rich waters of the early Earth, some four billion years ago, its fatty membrane enclosing a single curling strand of RNA.

Before the First Cell

Science and Technology /

When Chemistry Became Biology Jack W. Szostak, 2025 · Photo by Christopher P. Michel, CC BY-SA 4.0, via Wikimedia Commons A Nobel laureate explores the moment chemistry first became biology Editor’s Note Dr. Jack W. Szostak is University Professor of Chemistry at the University of Chicago and an Investigator at the Howard Hughes Medical Institute. […]

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