Tropical medicine boomed as European powers claimed territories in Africa. Germany sent the famed Robert Koch and many others to the colonies to find cures to tropical illnesses - but also to test new medicines. This shadowy practice led to Africans being mistreated, and many died in the process,...

Respected German anthropologists made a career from dividing people by race, a new branch of science that conveniently put Europeans at the top. While eugenics and scientific racism was widely practiced in Western nations in the early 1900s, the ideas developed by Eugen Fischer and others served...