Latest Hans Spemann Stories
How is it that a disc-like cluster of cells transforms within the first month of pregnancy into an elongated embryo?
More than 80 years have passed since the German scientist Hans Spemann conducted his famous experiment that laid the foundations for the field of embryonic development. After dividing a salamander embryo in half, Spemann noticed that one half â€“ specifically, the half that gives rise to the salamander's 'belly' (ventral) starts to wither away.
- A woman chauffeur.
- A woman who operates an automobile.