For Jewish doctors, Nazism meant emigration or death, but many non-Jewish German female physicians had careers that spanned the Weimar Republic and the Nazi regime. They upheld the aims of a repressive dictatorship.

Biofluorescent fur, first observed in marsupials, then in placentals, has now been discovered in the monotreme platypus. This indicates that biofluorescence is all over the mammalian family tree. However, researchers are still questioning the reasons behind it.