On this day in science history: 26 October

From the days of ancient technology to modern science - find out what happened on this day in the history of science.

26th October 2017
Stephanie Fae Beauclair © Bettmann/Getty Images

© Bettmann/Getty Images

1984 - First animal to human transplant

Born with hypoplastic left heart syndrome, Stephanie Fae Beauclair, known as Baby Fae, undergoes surgery to replace her heart with that of a baboon's. It is the first example of xenotransplantation and was deemed a success, despite Baby Fae dying only 21 days later. To this day the event is considered one of the most controversial and important cases in medical ethics.

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