Trace the history of the eugenics movement in the US, and discover how the belief in ideal genetics led to forced sterilizations. -- Since ancient Greece, humans have controlled populations via reproduction, retaining some traits and removing others. But in the 19th century, a new scientific movement dedicated to this endeavor emerged: eugenics. Scientists believed they could improve society by ensuring that only desirable traits were passed down. Alexandra Minna Stern and Natalie Lira detail the history of eugenics in the US. Lesson by Alexandra Minna Stern and Natalie Lira, directed by Héloïse Dorsan-Rachet.