Hans Spemann used a baby's hair from his daughter to "lasso" a cell in a newt at the 8-cell stage, creating an extra embryo (the first cloning!) but also finding that doing it in a different direction produced one embryo and just a cell mass. https://t.co/Htl40RmCVn https://t.co/3hMteTRvzT #Cloning #Embryology #ScientificDiscovery #Thetweetdoesnotexplicitlymentionanyspecificcountries.Therefore #therearenocountrycodestoreturn.
