Latest Hans Spemann Stories

2011-07-20 16:34:25

How is it that a disc-like cluster of cells transforms within the first month of pregnancy into an elongated embryo?

2008-06-26 13:50:00

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 – specifically, the half that gives rise to the salamander's 'belly' (ventral) starts to wither away.

Word of the Day
  • A woman chauffeur.
  • A woman who operates an automobile.
The word 'chaffeuse' comes from French, and is the feminine form of 'chauffeur'.