The stem cells used to start the Singapore process came from chicken feather, and involved biopsies of live animals. The nutrient broth in the bioreactor where it grew included foetal bovine serum, extracted from foetal blood.The ‘yuck’ factor is massive. https://t.co/5nxpynCfLn
— Joanna Blythman (@JoannaBlythman) December 9, 2020
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