Charles Darwin himself noted in The Descent of Man that the development of civilization meant that human evolution by natural selection had in some sense “stopped,” since humans no longer abandon individual members of our species to their own fates, as happens with animals in nature. This led some thinkers to speculate about “eugenics,” what we might call “artificial selection,” as an alternative mechanism to natural selection. Human society could direct human evolution.
But when the eugenics movement started talking seriously about what might be done, the discussion turned ugly. IQ test results were used to “prove” people of other races and cultures were intrinsically less intelligent. Laws were passed to ban interracial marriage, to include racial classifications on birth certificates, to restrict immigration of certain types of people, and even to perform forced sterilizations.
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Fanfare
Opening Theme
“The Entrance of the Gods into Valhalla” from Das Rheingold
Composed in 1869 by Richard Wagner. Public domain.
Performed by the United States Marine Band. Public domain recording. Source.
Closing Theme
Except when otherwise indicated, the contents of this podcast are © and ℗ 2015, 2016, 2017, 2018, 2019, 2020, 2021 by Mark Painter, all rights reserved. Some music and sound effects used by arrangement with Pond 5.