Alfonso Martinez Arias

Groundbreaking discoveries in reproductive biology and regenerative medicine are reshaping our ideas of conception, fertility, and the origins of disease. In Embryo: The Science of Becoming Human (Prometheus, 2026), world-leading developmental biologist Alfonso Martinez Arias traces the embryo's formation over its first fifty days while exploring how new technologies are changing how we view our origins, ourselves, and our future. The events that shape our lives happen in secret, inside our mother’s wombs, but Martinez Arias’s research with stem cells has laid them all out in the open. His work has shown that during the first fifty days afte...

Groundbreaking discoveries in reproductive biology and regenerative medicine are reshaping our ideas of conception, fertility, and the origins of disease. In Embryo: The Science of Becoming Human (Prometheus, 2026), world-leading developmental biologist Alfonso Martinez Arias traces the embryo's formation over its first fifty days while exploring how new technologies are changing how we view our origins, ourselves, and our future. The events that shape our lives happen in secret, inside our mother’s wombs, but Martinez Arias’s research with stem cells has laid them all out in the open. His work has shown that during the first fifty days afte...

Groundbreaking discoveries in reproductive biology and regenerative medicine are reshaping our ideas of conception, fertility, and the origins of disease. In Embryo: The Science of Becoming Human (Prometheus, 2026), world-leading developmental biologist Alfonso Martinez Arias traces the embryo's formation over its first fifty days while exploring how new technologies are changing how we view our origins, ourselves, and our future. The events that shape our lives happen in secret, inside our mother’s wombs, but Martinez Arias’s research with stem cells has laid them all out in the open. His work has shown that during the first fifty days afte...