In Huxley's, "Brave New World" the author relies on the concept of "eugenics," which is the study of human reproduction to enhance the health of future generations.

Those efforts being per se positive can take a doubtful shape when egoistical, self-glorifying interest meet within authorities that have the means to accomplish their ideas of the perfect human being.

Huxley was aware of special trends in the USA that approved the discrimination of "mental defectives" by prohibiting and making it impossible for them to have children. Their sterilization in the 1930's was only one measure of the attempt to adjust everyone by their will or against it.

The experiments and genetic programs carried out in Nazi Germany caused more carefulness in connection with the call for "superior races", such as the Aryan race, and the consistent annihilation of those who did not match the generally accepted ideals. Other prenatal...